./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.3.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ec977caa7d62404913c11550b4c63cfa13eb9fd456dca7a8c2f1cb44a89af7b
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 07:53:28,580 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 07:53:28,635 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 07:53:28,640 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 07:53:28,641 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 07:53:28,663 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 07:53:28,663 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 07:53:28,664 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 07:53:28,664 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 07:53:28,664 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 07:53:28,664 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 07:53:28,664 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 07:53:28,665 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 07:53:28,665 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 07:53:28,665 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 07:53:28,665 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 07:53:28,665 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 07:53:28,665 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 07:53:28,665 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 07:53:28,665 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 07:53:28,665 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 07:53:28,665 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 07:53:28,665 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 07:53:28,666 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 07:53:28,666 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 07:53:28,666 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 07:53:28,666 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 07:53:28,666 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:53:28,666 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 07:53:28,666 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:53:28,666 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 07:53:28,666 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 07:53:28,666 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:53:28,666 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 07:53:28,666 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:53:28,667 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 07:53:28,667 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 07:53:28,667 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 07:53:28,667 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 07:53:28,667 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 07:53:28,667 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 07:53:28,667 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 07:53:28,667 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 07:53:28,667 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 07:53:28,667 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 07:53:28,667 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ec977caa7d62404913c11550b4c63cfa13eb9fd456dca7a8c2f1cb44a89af7b
[2024-12-02 07:53:28,905 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 07:53:28,913 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 07:53:28,916 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 07:53:28,917 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 07:53:28,917 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 07:53:28,918 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.3.prop1-func-interl.c
[2024-12-02 07:53:31,594 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/data/1c842469c/bd385c8e51bf4d32b262d03351c2ba75/FLAG622b30d9a
[2024-12-02 07:53:31,937 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 07:53:31,938 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.3.prop1-func-interl.c
[2024-12-02 07:53:31,959 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/data/1c842469c/bd385c8e51bf4d32b262d03351c2ba75/FLAG622b30d9a
[2024-12-02 07:53:31,973 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/data/1c842469c/bd385c8e51bf4d32b262d03351c2ba75
[2024-12-02 07:53:31,976 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 07:53:31,977 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 07:53:31,978 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 07:53:31,978 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 07:53:31,982 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 07:53:31,983 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:53:31" (1/1) ...
[2024-12-02 07:53:31,984 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae482d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:31, skipping insertion in model container
[2024-12-02 07:53:31,984 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:53:31" (1/1) ...
[2024-12-02 07:53:32,058 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 07:53:32,251 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.3.prop1-func-interl.c[1173,1186]
[2024-12-02 07:53:32,681 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:53:32,688 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 07:53:32,695 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.3.prop1-func-interl.c[1173,1186]
[2024-12-02 07:53:32,969 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:53:32,979 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 07:53:32,980 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32 WrapperNode
[2024-12-02 07:53:32,980 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 07:53:32,981 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 07:53:32,981 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 07:53:32,981 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 07:53:32,986 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:33,063 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:34,221 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 17282
[2024-12-02 07:53:34,222 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 07:53:34,222 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 07:53:34,223 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 07:53:34,223 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 07:53:34,231 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:34,231 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:34,529 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:34,794 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 07:53:34,794 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:34,794 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:35,112 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:35,144 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:35,200 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:35,297 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:35,350 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:35,620 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 07:53:35,621 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 07:53:35,621 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 07:53:35,621 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 07:53:35,622 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (1/1) ...
[2024-12-02 07:53:35,628 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:53:35,638 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:53:35,649 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 07:53:35,651 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17bdcb7-5689-4240-835b-58284faba58c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 07:53:35,671 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 07:53:35,671 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 07:53:35,671 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 07:53:35,671 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 07:53:36,601 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 07:53:36,603 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 07:54:06,060 INFO  L?                        ?]: Removed 9775 outVars from TransFormulas that were not future-live.
[2024-12-02 07:54:06,061 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 07:54:06,126 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 07:54:06,126 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 07:54:06,126 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:06 BoogieIcfgContainer
[2024-12-02 07:54:06,126 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 07:54:06,128 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 07:54:06,128 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 07:54:06,132 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 07:54:06,132 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:53:31" (1/3) ...
[2024-12-02 07:54:06,133 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee4ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:54:06, skipping insertion in model container
[2024-12-02 07:54:06,133 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:32" (2/3) ...
[2024-12-02 07:54:06,133 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee4ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:54:06, skipping insertion in model container
[2024-12-02 07:54:06,133 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:06" (3/3) ...
[2024-12-02 07:54:06,134 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bridge.3.prop1-func-interl.c
[2024-12-02 07:54:06,145 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 07:54:06,146 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.bridge.3.prop1-func-interl.c that has 1 procedures, 6178 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 07:54:06,265 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 07:54:06,275 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cab54d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 07:54:06,275 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 07:54:06,290 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 6178 states, 6176 states have (on average 1.4998380829015545) internal successors, (9263), 6177 states have internal predecessors, (9263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:06,303 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-12-02 07:54:06,303 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:54:06,304 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:06,305 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:54:06,308 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:06,309 INFO  L85        PathProgramCache]: Analyzing trace with hash 283385585, now seen corresponding path program 1 times
[2024-12-02 07:54:06,314 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:54:06,315 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104167006]
[2024-12-02 07:54:06,315 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:06,315 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:06,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:54:07,538 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:54:07,539 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:54:07,539 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104167006]
[2024-12-02 07:54:07,540 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104167006] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:54:07,540 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:54:07,540 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 07:54:07,542 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791770637]
[2024-12-02 07:54:07,542 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:54:07,546 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 07:54:07,546 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:54:07,562 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 07:54:07,563 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:54:07,572 INFO  L87              Difference]: Start difference. First operand  has 6178 states, 6176 states have (on average 1.4998380829015545) internal successors, (9263), 6177 states have internal predecessors, (9263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 5 states, 5 states have (on average 47.8) internal successors, (239), 5 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:14,151 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:54:14,151 INFO  L93              Difference]: Finished difference Result 18176 states and 27259 transitions.
[2024-12-02 07:54:14,152 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 07:54:14,153 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 47.8) internal successors, (239), 5 states have internal predecessors, (239), 0 states have call successors, (0), 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 239
[2024-12-02 07:54:14,154 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:54:14,188 INFO  L225             Difference]: With dead ends: 18176
[2024-12-02 07:54:14,189 INFO  L226             Difference]: Without dead ends: 12168
[2024-12-02 07:54:14,199 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:54:14,202 INFO  L435           NwaCegarLoop]: 6978 mSDtfsCounter, 9010 mSDsluCounter, 20821 mSDsCounter, 0 mSdLazyCounter, 8984 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9010 SdHoareTripleChecker+Valid, 27799 SdHoareTripleChecker+Invalid, 8985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time
[2024-12-02 07:54:14,202 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9010 Valid, 27799 Invalid, 8985 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 8984 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time]
[2024-12-02 07:54:14,226 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12168 states.
[2024-12-02 07:54:14,366 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12168 to 6466.
[2024-12-02 07:54:14,376 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6466 states, 6465 states have (on average 1.4994586233565352) internal successors, (9694), 6465 states have internal predecessors, (9694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:14,393 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6466 states to 6466 states and 9694 transitions.
[2024-12-02 07:54:14,395 INFO  L78                 Accepts]: Start accepts. Automaton has 6466 states and 9694 transitions. Word has length 239
[2024-12-02 07:54:14,396 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:54:14,396 INFO  L471      AbstractCegarLoop]: Abstraction has 6466 states and 9694 transitions.
[2024-12-02 07:54:14,396 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 47.8) internal successors, (239), 5 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:14,396 INFO  L276                IsEmpty]: Start isEmpty. Operand 6466 states and 9694 transitions.
[2024-12-02 07:54:14,401 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 242
[2024-12-02 07:54:14,401 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:54:14,401 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:14,402 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 07:54:14,402 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:54:14,402 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:14,403 INFO  L85        PathProgramCache]: Analyzing trace with hash -971281586, now seen corresponding path program 1 times
[2024-12-02 07:54:14,403 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:54:14,403 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248090356]
[2024-12-02 07:54:14,403 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:14,403 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:14,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:54:15,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:54:15,161 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:54:15,161 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248090356]
[2024-12-02 07:54:15,161 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248090356] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:54:15,161 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:54:15,161 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 07:54:15,162 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429300287]
[2024-12-02 07:54:15,162 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:54:15,163 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:54:15,163 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:54:15,164 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:54:15,164 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:54:15,164 INFO  L87              Difference]: Start difference. First operand 6466 states and 9694 transitions. Second operand  has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:15,284 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:54:15,284 INFO  L93              Difference]: Finished difference Result 6470 states and 9698 transitions.
[2024-12-02 07:54:15,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 07:54:15,285 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 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 241
[2024-12-02 07:54:15,285 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:54:15,302 INFO  L225             Difference]: With dead ends: 6470
[2024-12-02 07:54:15,302 INFO  L226             Difference]: Without dead ends: 6468
[2024-12-02 07:54:15,304 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:54:15,305 INFO  L435           NwaCegarLoop]: 9257 mSDtfsCounter, 0 mSDsluCounter, 18508 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27765 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:54:15,305 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27765 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:54:15,315 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6468 states.
[2024-12-02 07:54:15,408 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6468 to 6468.
[2024-12-02 07:54:15,421 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6468 states, 6467 states have (on average 1.4993041595794032) internal successors, (9696), 6467 states have internal predecessors, (9696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:15,444 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6468 states to 6468 states and 9696 transitions.
[2024-12-02 07:54:15,444 INFO  L78                 Accepts]: Start accepts. Automaton has 6468 states and 9696 transitions. Word has length 241
[2024-12-02 07:54:15,445 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:54:15,445 INFO  L471      AbstractCegarLoop]: Abstraction has 6468 states and 9696 transitions.
[2024-12-02 07:54:15,446 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:15,446 INFO  L276                IsEmpty]: Start isEmpty. Operand 6468 states and 9696 transitions.
[2024-12-02 07:54:15,449 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 243
[2024-12-02 07:54:15,449 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:54:15,450 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:15,450 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 07:54:15,450 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:54:15,450 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:15,451 INFO  L85        PathProgramCache]: Analyzing trace with hash -43261420, now seen corresponding path program 1 times
[2024-12-02 07:54:15,451 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:54:15,451 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283208255]
[2024-12-02 07:54:15,451 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:15,451 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:15,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:54:15,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:54:15,898 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:54:15,898 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283208255]
[2024-12-02 07:54:15,898 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283208255] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:54:15,898 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:54:15,898 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 07:54:15,898 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46520388]
[2024-12-02 07:54:15,899 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:54:15,899 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:54:15,899 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:54:15,900 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:54:15,900 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:54:15,900 INFO  L87              Difference]: Start difference. First operand 6468 states and 9696 transitions. Second operand  has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:16,045 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:54:16,045 INFO  L93              Difference]: Finished difference Result 12477 states and 18706 transitions.
[2024-12-02 07:54:16,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 07:54:16,046 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 0 states have call successors, (0), 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 242
[2024-12-02 07:54:16,046 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:54:16,062 INFO  L225             Difference]: With dead ends: 12477
[2024-12-02 07:54:16,062 INFO  L226             Difference]: Without dead ends: 6470
[2024-12-02 07:54:16,069 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:54:16,070 INFO  L435           NwaCegarLoop]: 9257 mSDtfsCounter, 0 mSDsluCounter, 18504 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27761 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:54:16,070 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27761 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:54:16,080 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6470 states.
[2024-12-02 07:54:16,186 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6470 to 6470.
[2024-12-02 07:54:16,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6470 states, 6469 states have (on average 1.499149791312413) internal successors, (9698), 6469 states have internal predecessors, (9698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:16,220 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6470 states to 6470 states and 9698 transitions.
[2024-12-02 07:54:16,221 INFO  L78                 Accepts]: Start accepts. Automaton has 6470 states and 9698 transitions. Word has length 242
[2024-12-02 07:54:16,221 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:54:16,222 INFO  L471      AbstractCegarLoop]: Abstraction has 6470 states and 9698 transitions.
[2024-12-02 07:54:16,222 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 60.5) internal successors, (242), 4 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:16,223 INFO  L276                IsEmpty]: Start isEmpty. Operand 6470 states and 9698 transitions.
[2024-12-02 07:54:16,226 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 244
[2024-12-02 07:54:16,226 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:54:16,226 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:16,226 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 07:54:16,227 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:54:16,227 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:16,227 INFO  L85        PathProgramCache]: Analyzing trace with hash 1855898855, now seen corresponding path program 1 times
[2024-12-02 07:54:16,227 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:54:16,227 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703252703]
[2024-12-02 07:54:16,227 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:16,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:16,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:54:17,329 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:54:17,330 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:54:17,330 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703252703]
[2024-12-02 07:54:17,330 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703252703] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:54:17,330 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:54:17,330 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 07:54:17,330 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533780958]
[2024-12-02 07:54:17,330 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:54:17,331 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 07:54:17,331 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:54:17,331 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 07:54:17,331 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 07:54:17,331 INFO  L87              Difference]: Start difference. First operand 6470 states and 9698 transitions. Second operand  has 7 states, 7 states have (on average 34.714285714285715) internal successors, (243), 7 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:21,448 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:54:25,454 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:54:29,458 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:54:33,468 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:54:37,478 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:54:41,497 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:54:45,786 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:54:45,787 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:54:45,787 INFO  L93              Difference]: Finished difference Result 12519 states and 18764 transitions.
[2024-12-02 07:54:45,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 07:54:45,796 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 34.714285714285715) internal successors, (243), 7 states have internal predecessors, (243), 0 states have call successors, (0), 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 243
[2024-12-02 07:54:45,797 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:54:45,808 INFO  L225             Difference]: With dead ends: 12519
[2024-12-02 07:54:45,808 INFO  L226             Difference]: Without dead ends: 6510
[2024-12-02 07:54:45,815 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-12-02 07:54:45,816 INFO  L435           NwaCegarLoop]: 9254 mSDtfsCounter, 514 mSDsluCounter, 45993 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 55247 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time
[2024-12-02 07:54:45,817 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 55247 Invalid, 61 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 7 Unknown, 0 Unchecked, 28.2s Time]
[2024-12-02 07:54:45,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6510 states.
[2024-12-02 07:54:45,914 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6510 to 6473.
[2024-12-02 07:54:45,923 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6473 states, 6472 states have (on average 1.4989184177997528) internal successors, (9701), 6472 states have internal predecessors, (9701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:45,933 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 9701 transitions.
[2024-12-02 07:54:45,933 INFO  L78                 Accepts]: Start accepts. Automaton has 6473 states and 9701 transitions. Word has length 243
[2024-12-02 07:54:45,933 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:54:45,933 INFO  L471      AbstractCegarLoop]: Abstraction has 6473 states and 9701 transitions.
[2024-12-02 07:54:45,934 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 34.714285714285715) internal successors, (243), 7 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:45,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 6473 states and 9701 transitions.
[2024-12-02 07:54:46,095 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3247
[2024-12-02 07:54:46,095 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:54:46,097 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 07:54:46,097 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 07:54:46,098 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:54:46,099 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:46,101 INFO  L85        PathProgramCache]: Analyzing trace with hash -1726990759, now seen corresponding path program 1 times
[2024-12-02 07:54:46,101 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:54:46,101 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554337220]
[2024-12-02 07:54:46,102 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:46,102 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:51,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:54:57,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2024-12-02 07:54:57,901 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:54:57,901 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554337220]
[2024-12-02 07:54:57,902 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554337220] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:54:57,902 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:54:57,902 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 07:54:57,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788728777]
[2024-12-02 07:54:57,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:54:57,906 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:54:57,906 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:54:57,909 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:54:57,909 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:54:57,910 INFO  L87              Difference]: Start difference. First operand 6473 states and 9701 transitions. Second operand  has 4 states, 4 states have (on average 775.25) internal successors, (3101), 4 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:58,020 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:54:58,020 INFO  L93              Difference]: Finished difference Result 12484 states and 18713 transitions.
[2024-12-02 07:54:58,020 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 07:54:58,021 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 775.25) internal successors, (3101), 4 states have internal predecessors, (3101), 0 states have call successors, (0), 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 3246
[2024-12-02 07:54:58,027 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:54:58,039 INFO  L225             Difference]: With dead ends: 12484
[2024-12-02 07:54:58,040 INFO  L226             Difference]: Without dead ends: 6475
[2024-12-02 07:54:58,045 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:54:58,046 INFO  L435           NwaCegarLoop]: 9259 mSDtfsCounter, 0 mSDsluCounter, 18499 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27758 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:54:58,046 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27758 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:54:58,055 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6475 states.
[2024-12-02 07:54:58,125 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6475 to 6473.
[2024-12-02 07:54:58,133 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6473 states, 6472 states have (on average 1.4989184177997528) internal successors, (9701), 6472 states have internal predecessors, (9701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:58,141 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 9701 transitions.
[2024-12-02 07:54:58,142 INFO  L78                 Accepts]: Start accepts. Automaton has 6473 states and 9701 transitions. Word has length 3246
[2024-12-02 07:54:58,147 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:54:58,147 INFO  L471      AbstractCegarLoop]: Abstraction has 6473 states and 9701 transitions.
[2024-12-02 07:54:58,148 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 775.25) internal successors, (3101), 4 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:54:58,148 INFO  L276                IsEmpty]: Start isEmpty. Operand 6473 states and 9701 transitions.
[2024-12-02 07:54:58,280 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3248
[2024-12-02 07:54:58,281 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:54:58,282 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 07:54:58,282 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 07:54:58,282 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:54:58,283 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:58,285 INFO  L85        PathProgramCache]: Analyzing trace with hash -1088217655, now seen corresponding path program 1 times
[2024-12-02 07:54:58,285 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:54:58,285 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242322935]
[2024-12-02 07:54:58,286 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:58,286 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:55:20,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:55:27,194 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:55:27,194 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:55:27,194 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242322935]
[2024-12-02 07:55:27,194 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242322935] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:55:27,194 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:55:27,195 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 07:55:27,195 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36050196]
[2024-12-02 07:55:27,195 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:55:27,199 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 07:55:27,199 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:55:27,203 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 07:55:27,203 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:55:27,204 INFO  L87              Difference]: Start difference. First operand 6473 states and 9701 transitions. Second operand  has 6 states, 6 states have (on average 541.1666666666666) internal successors, (3247), 6 states have internal predecessors, (3247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:55:33,222 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:55:33,223 INFO  L93              Difference]: Finished difference Result 17467 states and 26182 transitions.
[2024-12-02 07:55:33,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 07:55:33,224 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 541.1666666666666) internal successors, (3247), 6 states have internal predecessors, (3247), 0 states have call successors, (0), 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 3247
[2024-12-02 07:55:33,224 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:55:33,237 INFO  L225             Difference]: With dead ends: 17467
[2024-12-02 07:55:33,238 INFO  L226             Difference]: Without dead ends: 11456
[2024-12-02 07:55:33,240 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:55:33,241 INFO  L435           NwaCegarLoop]: 7543 mSDtfsCounter, 7751 mSDsluCounter, 30488 mSDsCounter, 0 mSdLazyCounter, 8656 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7751 SdHoareTripleChecker+Valid, 38031 SdHoareTripleChecker+Invalid, 8728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 8656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time
[2024-12-02 07:55:33,241 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7751 Valid, 38031 Invalid, 8728 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [72 Valid, 8656 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time]
[2024-12-02 07:55:33,250 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11456 states.
[2024-12-02 07:55:33,306 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11456 to 6525.
[2024-12-02 07:55:33,312 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6525 states, 6524 states have (on average 1.4983139178418148) internal successors, (9775), 6524 states have internal predecessors, (9775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:55:33,318 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6525 states to 6525 states and 9775 transitions.
[2024-12-02 07:55:33,318 INFO  L78                 Accepts]: Start accepts. Automaton has 6525 states and 9775 transitions. Word has length 3247
[2024-12-02 07:55:33,319 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:55:33,319 INFO  L471      AbstractCegarLoop]: Abstraction has 6525 states and 9775 transitions.
[2024-12-02 07:55:33,319 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 541.1666666666666) internal successors, (3247), 6 states have internal predecessors, (3247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:55:33,319 INFO  L276                IsEmpty]: Start isEmpty. Operand 6525 states and 9775 transitions.
[2024-12-02 07:55:33,369 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3249
[2024-12-02 07:55:33,369 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:55:33,370 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 07:55:33,371 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 07:55:33,371 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:55:33,372 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:55:33,373 INFO  L85        PathProgramCache]: Analyzing trace with hash 286329025, now seen corresponding path program 1 times
[2024-12-02 07:55:33,373 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:55:33,373 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734875994]
[2024-12-02 07:55:33,373 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:55:33,374 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:55:52,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:55:57,581 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:55:57,581 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:55:57,581 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734875994]
[2024-12-02 07:55:57,581 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734875994] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:55:57,581 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:55:57,582 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 07:55:57,582 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166724825]
[2024-12-02 07:55:57,582 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:55:57,583 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 07:55:57,583 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:55:57,585 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 07:55:57,585 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:55:57,585 INFO  L87              Difference]: Start difference. First operand 6525 states and 9775 transitions. Second operand  has 6 states, 6 states have (on average 541.3333333333334) internal successors, (3248), 6 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:56:02,867 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:56:02,867 INFO  L93              Difference]: Finished difference Result 20464 states and 30662 transitions.
[2024-12-02 07:56:02,868 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 07:56:02,868 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 541.3333333333334) internal successors, (3248), 6 states have internal predecessors, (3248), 0 states have call successors, (0), 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 3248
[2024-12-02 07:56:02,868 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:56:02,888 INFO  L225             Difference]: With dead ends: 20464
[2024-12-02 07:56:02,888 INFO  L226             Difference]: Without dead ends: 14453
[2024-12-02 07:56:02,894 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:56:02,895 INFO  L435           NwaCegarLoop]: 13882 mSDtfsCounter, 17936 mSDsluCounter, 39467 mSDsCounter, 0 mSdLazyCounter, 7409 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17936 SdHoareTripleChecker+Valid, 53349 SdHoareTripleChecker+Invalid, 7725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 7409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:56:02,895 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17936 Valid, 53349 Invalid, 7725 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [316 Valid, 7409 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time]
[2024-12-02 07:56:02,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14453 states.
[2024-12-02 07:56:02,988 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14453 to 6783.
[2024-12-02 07:56:02,994 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6783 states, 6782 states have (on average 1.4964612208787968) internal successors, (10149), 6782 states have internal predecessors, (10149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:56:03,000 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6783 states to 6783 states and 10149 transitions.
[2024-12-02 07:56:03,001 INFO  L78                 Accepts]: Start accepts. Automaton has 6783 states and 10149 transitions. Word has length 3248
[2024-12-02 07:56:03,001 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:56:03,001 INFO  L471      AbstractCegarLoop]: Abstraction has 6783 states and 10149 transitions.
[2024-12-02 07:56:03,002 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 541.3333333333334) internal successors, (3248), 6 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:56:03,002 INFO  L276                IsEmpty]: Start isEmpty. Operand 6783 states and 10149 transitions.
[2024-12-02 07:56:03,047 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3250
[2024-12-02 07:56:03,047 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:56:03,048 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 07:56:03,048 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 07:56:03,048 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:56:03,049 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:56:03,050 INFO  L85        PathProgramCache]: Analyzing trace with hash 509265524, now seen corresponding path program 1 times
[2024-12-02 07:56:03,050 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:56:03,050 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336180510]
[2024-12-02 07:56:03,051 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:56:03,051 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:56:22,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:56:28,124 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:56:28,124 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:56:28,124 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336180510]
[2024-12-02 07:56:28,124 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336180510] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:56:28,124 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:56:28,125 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 07:56:28,125 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847284923]
[2024-12-02 07:56:28,125 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:56:28,126 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 07:56:28,126 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:56:28,127 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 07:56:28,128 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:56:28,128 INFO  L87              Difference]: Start difference. First operand 6783 states and 10149 transitions. Second operand  has 6 states, 6 states have (on average 541.5) internal successors, (3249), 6 states have internal predecessors, (3249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:56:32,856 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:56:36,898 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:56:40,911 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:56:44,922 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:56:48,933 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:56:56,827 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:57:00,834 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:57:04,846 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:57:05,420 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:57:05,421 INFO  L93              Difference]: Finished difference Result 21366 states and 31982 transitions.
[2024-12-02 07:57:05,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 07:57:05,422 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 541.5) internal successors, (3249), 6 states have internal predecessors, (3249), 0 states have call successors, (0), 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 3249
[2024-12-02 07:57:05,422 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:57:05,450 INFO  L225             Difference]: With dead ends: 21366
[2024-12-02 07:57:05,450 INFO  L226             Difference]: Without dead ends: 15185
[2024-12-02 07:57:05,458 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:57:05,459 INFO  L435           NwaCegarLoop]: 13855 mSDtfsCounter, 11456 mSDsluCounter, 39565 mSDsCounter, 0 mSdLazyCounter, 7694 mSolverCounterSat, 332 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11456 SdHoareTripleChecker+Valid, 53420 SdHoareTripleChecker+Invalid, 8034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 7694 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:57:05,459 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11456 Valid, 53420 Invalid, 8034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [332 Valid, 7694 Invalid, 8 Unknown, 0 Unchecked, 37.0s Time]
[2024-12-02 07:57:05,470 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15185 states.
[2024-12-02 07:57:05,577 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15185 to 7469.
[2024-12-02 07:57:05,584 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7469 states, 7468 states have (on average 1.4933047670058919) internal successors, (11152), 7468 states have internal predecessors, (11152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:57:05,595 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7469 states to 7469 states and 11152 transitions.
[2024-12-02 07:57:05,595 INFO  L78                 Accepts]: Start accepts. Automaton has 7469 states and 11152 transitions. Word has length 3249
[2024-12-02 07:57:05,595 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:57:05,596 INFO  L471      AbstractCegarLoop]: Abstraction has 7469 states and 11152 transitions.
[2024-12-02 07:57:05,596 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 541.5) internal successors, (3249), 6 states have internal predecessors, (3249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:57:05,596 INFO  L276                IsEmpty]: Start isEmpty. Operand 7469 states and 11152 transitions.
[2024-12-02 07:57:05,718 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3251
[2024-12-02 07:57:05,719 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:57:05,720 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 07:57:05,720 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 07:57:05,720 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:57:05,724 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:57:05,725 INFO  L85        PathProgramCache]: Analyzing trace with hash -319996527, now seen corresponding path program 1 times
[2024-12-02 07:57:05,725 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:57:05,725 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412586389]
[2024-12-02 07:57:05,726 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:57:05,726 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:57:25,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:57:31,002 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:57:31,003 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:57:31,003 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412586389]
[2024-12-02 07:57:31,003 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412586389] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:57:31,003 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:57:31,003 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 07:57:31,003 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971376254]
[2024-12-02 07:57:31,003 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:57:31,005 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 07:57:31,005 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:57:31,006 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 07:57:31,006 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:57:31,007 INFO  L87              Difference]: Start difference. First operand 7469 states and 11152 transitions. Second operand  has 6 states, 6 states have (on average 541.6666666666666) internal successors, (3250), 6 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:57:36,194 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:57:36,194 INFO  L93              Difference]: Finished difference Result 19177 states and 28640 transitions.
[2024-12-02 07:57:36,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 07:57:36,195 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 541.6666666666666) internal successors, (3250), 6 states have internal predecessors, (3250), 0 states have call successors, (0), 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 3250
[2024-12-02 07:57:36,196 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:57:36,208 INFO  L225             Difference]: With dead ends: 19177
[2024-12-02 07:57:36,208 INFO  L226             Difference]: Without dead ends: 12550
[2024-12-02 07:57:36,214 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:57:36,214 INFO  L435           NwaCegarLoop]: 6960 mSDtfsCounter, 15552 mSDsluCounter, 18697 mSDsCounter, 0 mSdLazyCounter, 8504 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15552 SdHoareTripleChecker+Valid, 25657 SdHoareTripleChecker+Invalid, 8505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:57:36,214 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15552 Valid, 25657 Invalid, 8505 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 8504 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time]
[2024-12-02 07:57:36,222 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12550 states.
[2024-12-02 07:57:36,299 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12550 to 8405.
[2024-12-02 07:57:36,307 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8405 states, 8404 states have (on average 1.48857686815802) internal successors, (12510), 8404 states have internal predecessors, (12510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:57:36,319 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8405 states to 8405 states and 12510 transitions.
[2024-12-02 07:57:36,319 INFO  L78                 Accepts]: Start accepts. Automaton has 8405 states and 12510 transitions. Word has length 3250
[2024-12-02 07:57:36,319 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:57:36,319 INFO  L471      AbstractCegarLoop]: Abstraction has 8405 states and 12510 transitions.
[2024-12-02 07:57:36,320 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 541.6666666666666) internal successors, (3250), 6 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:57:36,320 INFO  L276                IsEmpty]: Start isEmpty. Operand 8405 states and 12510 transitions.
[2024-12-02 07:57:36,391 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3252
[2024-12-02 07:57:36,391 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:57:36,393 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 07:57:36,393 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 07:57:36,393 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:57:36,394 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:57:36,396 INFO  L85        PathProgramCache]: Analyzing trace with hash -292216554, now seen corresponding path program 1 times
[2024-12-02 07:57:36,396 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:57:36,396 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740865112]
[2024-12-02 07:57:36,396 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:57:36,396 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:57:55,033 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:58:00,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:58:00,312 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:58:00,312 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740865112]
[2024-12-02 07:58:00,312 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740865112] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:58:00,312 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:58:00,313 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 07:58:00,313 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814971740]
[2024-12-02 07:58:00,313 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:58:00,314 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 07:58:00,314 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:58:00,316 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 07:58:00,316 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:58:00,316 INFO  L87              Difference]: Start difference. First operand 8405 states and 12510 transitions. Second operand  has 6 states, 6 states have (on average 541.8333333333334) internal successors, (3251), 6 states have internal predecessors, (3251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:58:07,897 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:58:07,926 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:58:07,926 INFO  L93              Difference]: Finished difference Result 22169 states and 33006 transitions.
[2024-12-02 07:58:07,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 07:58:07,927 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 541.8333333333334) internal successors, (3251), 6 states have internal predecessors, (3251), 0 states have call successors, (0), 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 3251
[2024-12-02 07:58:07,927 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:58:07,944 INFO  L225             Difference]: With dead ends: 22169
[2024-12-02 07:58:07,944 INFO  L226             Difference]: Without dead ends: 14966
[2024-12-02 07:58:07,952 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:58:07,953 INFO  L435           NwaCegarLoop]: 7651 mSDtfsCounter, 12939 mSDsluCounter, 23976 mSDsCounter, 0 mSdLazyCounter, 5789 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12939 SdHoareTripleChecker+Valid, 31627 SdHoareTripleChecker+Invalid, 5820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 5789 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time
[2024-12-02 07:58:07,953 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12939 Valid, 31627 Invalid, 5820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [30 Valid, 5789 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time]
[2024-12-02 07:58:07,964 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14966 states.
[2024-12-02 07:58:08,064 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14966 to 10643.
[2024-12-02 07:58:08,071 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10643 states, 10642 states have (on average 1.482052245818455) internal successors, (15772), 10642 states have internal predecessors, (15772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:58:08,081 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10643 states to 10643 states and 15772 transitions.
[2024-12-02 07:58:08,081 INFO  L78                 Accepts]: Start accepts. Automaton has 10643 states and 15772 transitions. Word has length 3251
[2024-12-02 07:58:08,082 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:58:08,082 INFO  L471      AbstractCegarLoop]: Abstraction has 10643 states and 15772 transitions.
[2024-12-02 07:58:08,082 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 541.8333333333334) internal successors, (3251), 6 states have internal predecessors, (3251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:58:08,082 INFO  L276                IsEmpty]: Start isEmpty. Operand 10643 states and 15772 transitions.
[2024-12-02 07:58:08,130 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3253
[2024-12-02 07:58:08,130 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:58:08,131 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 07:58:08,131 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 07:58:08,131 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:58:08,132 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:58:08,133 INFO  L85        PathProgramCache]: Analyzing trace with hash -966819229, now seen corresponding path program 1 times
[2024-12-02 07:58:08,133 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:58:08,133 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344250598]
[2024-12-02 07:58:08,134 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:58:08,134 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:58:28,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:58:34,158 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:58:34,158 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:58:34,158 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344250598]
[2024-12-02 07:58:34,158 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344250598] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:58:34,158 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:58:34,158 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 07:58:34,159 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963678575]
[2024-12-02 07:58:34,159 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:58:34,161 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 07:58:34,161 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:58:34,163 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 07:58:34,163 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:58:34,163 INFO  L87              Difference]: Start difference. First operand 10643 states and 15772 transitions. Second operand  has 6 states, 6 states have (on average 542.0) internal successors, (3252), 6 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:58:39,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:58:39,176 INFO  L93              Difference]: Finished difference Result 27197 states and 40322 transitions.
[2024-12-02 07:58:39,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 07:58:39,177 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 542.0) internal successors, (3252), 6 states have internal predecessors, (3252), 0 states have call successors, (0), 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 3252
[2024-12-02 07:58:39,178 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:58:39,187 INFO  L225             Difference]: With dead ends: 27197
[2024-12-02 07:58:39,187 INFO  L226             Difference]: Without dead ends: 18604
[2024-12-02 07:58:39,192 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:58:39,193 INFO  L435           NwaCegarLoop]: 6960 mSDtfsCounter, 15596 mSDsluCounter, 18746 mSDsCounter, 0 mSdLazyCounter, 8509 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15596 SdHoareTripleChecker+Valid, 25706 SdHoareTripleChecker+Invalid, 8510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time
[2024-12-02 07:58:39,193 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15596 Valid, 25706 Invalid, 8510 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 8509 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time]
[2024-12-02 07:58:39,202 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18604 states.
[2024-12-02 07:58:39,287 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18604 to 14443.
[2024-12-02 07:58:39,297 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14443 states, 14442 states have (on average 1.4740340673036976) internal successors, (21288), 14442 states have internal predecessors, (21288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:58:39,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14443 states to 14443 states and 21288 transitions.
[2024-12-02 07:58:39,311 INFO  L78                 Accepts]: Start accepts. Automaton has 14443 states and 21288 transitions. Word has length 3252
[2024-12-02 07:58:39,312 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:58:39,312 INFO  L471      AbstractCegarLoop]: Abstraction has 14443 states and 21288 transitions.
[2024-12-02 07:58:39,312 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 542.0) internal successors, (3252), 6 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:58:39,312 INFO  L276                IsEmpty]: Start isEmpty. Operand 14443 states and 21288 transitions.
[2024-12-02 07:58:39,383 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3254
[2024-12-02 07:58:39,384 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:58:39,385 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 07:58:39,385 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 07:58:39,386 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:58:39,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:58:39,388 INFO  L85        PathProgramCache]: Analyzing trace with hash -2017654808, now seen corresponding path program 1 times
[2024-12-02 07:58:39,388 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:58:39,388 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276421025]
[2024-12-02 07:58:39,388 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:58:39,388 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:58:58,740 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:59:04,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:59:04,593 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:59:04,593 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276421025]
[2024-12-02 07:59:04,593 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276421025] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:59:04,593 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:59:04,593 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 07:59:04,593 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832636255]
[2024-12-02 07:59:04,593 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:59:04,595 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 07:59:04,595 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:59:04,596 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 07:59:04,596 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:59:04,597 INFO  L87              Difference]: Start difference. First operand 14443 states and 21288 transitions. Second operand  has 6 states, 6 states have (on average 542.1666666666666) internal successors, (3253), 6 states have internal predecessors, (3253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:59:09,570 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 07:59:13,677 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:59:13,677 INFO  L93              Difference]: Finished difference Result 38035 states and 56112 transitions.
[2024-12-02 07:59:13,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 07:59:13,678 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 542.1666666666666) internal successors, (3253), 6 states have internal predecessors, (3253), 0 states have call successors, (0), 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 3253
[2024-12-02 07:59:13,678 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:59:13,693 INFO  L225             Difference]: With dead ends: 38035
[2024-12-02 07:59:13,694 INFO  L226             Difference]: Without dead ends: 27098
[2024-12-02 07:59:13,705 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:59:13,706 INFO  L435           NwaCegarLoop]: 7647 mSDtfsCounter, 6579 mSDsluCounter, 28796 mSDsCounter, 0 mSdLazyCounter, 7447 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6579 SdHoareTripleChecker+Valid, 36443 SdHoareTripleChecker+Invalid, 7480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 7447 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time
[2024-12-02 07:59:13,706 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6579 Valid, 36443 Invalid, 7480 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 7447 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time]
[2024-12-02 07:59:13,725 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27098 states.
[2024-12-02 07:59:13,926 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27098 to 22751.
[2024-12-02 07:59:13,942 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22751 states, 22750 states have (on average 1.4670769230769232) internal successors, (33376), 22750 states have internal predecessors, (33376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:59:13,961 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 33376 transitions.
[2024-12-02 07:59:13,961 INFO  L78                 Accepts]: Start accepts. Automaton has 22751 states and 33376 transitions. Word has length 3253
[2024-12-02 07:59:13,962 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:59:13,962 INFO  L471      AbstractCegarLoop]: Abstraction has 22751 states and 33376 transitions.
[2024-12-02 07:59:13,962 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 542.1666666666666) internal successors, (3253), 6 states have internal predecessors, (3253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:59:13,962 INFO  L276                IsEmpty]: Start isEmpty. Operand 22751 states and 33376 transitions.
[2024-12-02 07:59:14,012 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3255
[2024-12-02 07:59:14,012 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:59:14,013 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 07:59:14,014 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 07:59:14,014 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:59:14,015 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:59:14,016 INFO  L85        PathProgramCache]: Analyzing trace with hash -156346059, now seen corresponding path program 1 times
[2024-12-02 07:59:14,016 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:59:14,016 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525075416]
[2024-12-02 07:59:14,016 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:59:14,016 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:59:34,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:59:40,823 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:59:40,823 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:59:40,823 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525075416]
[2024-12-02 07:59:40,823 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525075416] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:59:40,823 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:59:40,824 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 07:59:40,824 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842468215]
[2024-12-02 07:59:40,824 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:59:40,826 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 07:59:40,826 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:59:40,827 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 07:59:40,827 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:59:40,828 INFO  L87              Difference]: Start difference. First operand 22751 states and 33376 transitions. Second operand  has 6 states, 6 states have (on average 542.3333333333334) internal successors, (3254), 6 states have internal predecessors, (3254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:59:46,330 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:59:46,330 INFO  L93              Difference]: Finished difference Result 58301 states and 85598 transitions.
[2024-12-02 07:59:46,330 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 07:59:46,331 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 542.3333333333334) internal successors, (3254), 6 states have internal predecessors, (3254), 0 states have call successors, (0), 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 3254
[2024-12-02 07:59:46,331 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:59:46,355 INFO  L225             Difference]: With dead ends: 58301
[2024-12-02 07:59:46,355 INFO  L226             Difference]: Without dead ends: 42216
[2024-12-02 07:59:46,366 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:59:46,367 INFO  L435           NwaCegarLoop]: 6960 mSDtfsCounter, 22046 mSDsluCounter, 20866 mSDsCounter, 0 mSdLazyCounter, 9207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22046 SdHoareTripleChecker+Valid, 27826 SdHoareTripleChecker+Invalid, 9208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time
[2024-12-02 07:59:46,367 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22046 Valid, 27826 Invalid, 9208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 9207 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time]
[2024-12-02 07:59:46,390 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42216 states.
[2024-12-02 07:59:46,764 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42216 to 38039.
[2024-12-02 07:59:46,790 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 38039 states, 38038 states have (on average 1.4609600925390398) internal successors, (55572), 38038 states have internal predecessors, (55572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:59:46,845 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38039 states to 38039 states and 55572 transitions.
[2024-12-02 07:59:46,845 INFO  L78                 Accepts]: Start accepts. Automaton has 38039 states and 55572 transitions. Word has length 3254
[2024-12-02 07:59:46,846 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:59:46,846 INFO  L471      AbstractCegarLoop]: Abstraction has 38039 states and 55572 transitions.
[2024-12-02 07:59:46,846 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 542.3333333333334) internal successors, (3254), 6 states have internal predecessors, (3254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:59:46,846 INFO  L276                IsEmpty]: Start isEmpty. Operand 38039 states and 55572 transitions.
[2024-12-02 07:59:46,992 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3256
[2024-12-02 07:59:46,992 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:59:46,994 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 07:59:46,994 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 07:59:46,994 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:59:46,995 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:59:46,996 INFO  L85        PathProgramCache]: Analyzing trace with hash 1524908218, now seen corresponding path program 1 times
[2024-12-02 07:59:46,996 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:59:46,996 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061182062]
[2024-12-02 07:59:46,997 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:59:46,997 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:00:07,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:00:13,903 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:00:13,904 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:00:13,904 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061182062]
[2024-12-02 08:00:13,904 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061182062] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:00:13,904 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:00:13,904 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:00:13,904 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640545675]
[2024-12-02 08:00:13,904 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:00:13,906 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:00:13,906 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:00:13,907 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:00:13,907 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:00:13,908 INFO  L87              Difference]: Start difference. First operand 38039 states and 55572 transitions. Second operand  has 6 states, 6 states have (on average 542.5) internal successors, (3255), 6 states have internal predecessors, (3255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:00:18,687 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:00:22,699 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:00:26,869 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:00:30,882 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:00:38,000 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:00:42,012 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:00:42,092 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:00:42,092 INFO  L93              Difference]: Finished difference Result 99863 states and 146100 transitions.
[2024-12-02 08:00:42,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:00:42,093 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 542.5) internal successors, (3255), 6 states have internal predecessors, (3255), 0 states have call successors, (0), 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 3255
[2024-12-02 08:00:42,093 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:00:42,148 INFO  L225             Difference]: With dead ends: 99863
[2024-12-02 08:00:42,148 INFO  L226             Difference]: Without dead ends: 74346
[2024-12-02 08:00:42,173 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:00:42,173 INFO  L435           NwaCegarLoop]: 7643 mSDtfsCounter, 13127 mSDsluCounter, 23977 mSDsCounter, 0 mSdLazyCounter, 5838 mSolverCounterSat, 34 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13127 SdHoareTripleChecker+Valid, 31620 SdHoareTripleChecker+Invalid, 5878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 5838 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time
[2024-12-02 08:00:42,173 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13127 Valid, 31620 Invalid, 5878 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [34 Valid, 5838 Invalid, 6 Unknown, 0 Unchecked, 27.8s Time]
[2024-12-02 08:00:42,216 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 74346 states.
[2024-12-02 08:00:42,717 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 74346 to 69975.
[2024-12-02 08:00:42,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 69975 states, 69974 states have (on average 1.4575699545545489) internal successors, (101992), 69974 states have internal predecessors, (101992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:00:42,831 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 69975 states to 69975 states and 101992 transitions.
[2024-12-02 08:00:42,831 INFO  L78                 Accepts]: Start accepts. Automaton has 69975 states and 101992 transitions. Word has length 3255
[2024-12-02 08:00:42,832 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:00:42,832 INFO  L471      AbstractCegarLoop]: Abstraction has 69975 states and 101992 transitions.
[2024-12-02 08:00:42,832 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 542.5) internal successors, (3255), 6 states have internal predecessors, (3255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:00:42,832 INFO  L276                IsEmpty]: Start isEmpty. Operand 69975 states and 101992 transitions.
[2024-12-02 08:00:43,090 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3257
[2024-12-02 08:00:43,090 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:00:43,091 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 08:00:43,091 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 08:00:43,091 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:00:43,092 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:00:43,092 INFO  L85        PathProgramCache]: Analyzing trace with hash 816038407, now seen corresponding path program 1 times
[2024-12-02 08:00:43,092 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:00:43,093 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372508998]
[2024-12-02 08:00:43,093 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:00:43,093 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:01:04,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:01:09,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:01:09,820 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:01:09,821 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372508998]
[2024-12-02 08:01:09,821 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372508998] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:01:09,821 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:01:09,821 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:01:09,821 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422026869]
[2024-12-02 08:01:09,821 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:01:09,822 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:01:09,822 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:01:09,823 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:01:09,824 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:01:09,824 INFO  L87              Difference]: Start difference. First operand 69975 states and 101992 transitions. Second operand  has 6 states, 6 states have (on average 542.6666666666666) internal successors, (3256), 6 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:01:15,602 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:01:15,602 INFO  L93              Difference]: Finished difference Result 180741 states and 263762 transitions.
[2024-12-02 08:01:15,602 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:01:15,603 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 542.6666666666666) internal successors, (3256), 6 states have internal predecessors, (3256), 0 states have call successors, (0), 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 3256
[2024-12-02 08:01:15,603 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:01:15,712 INFO  L225             Difference]: With dead ends: 180741
[2024-12-02 08:01:15,712 INFO  L226             Difference]: Without dead ends: 135472
[2024-12-02 08:01:15,756 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:01:15,757 INFO  L435           NwaCegarLoop]: 6960 mSDtfsCounter, 22130 mSDsluCounter, 20868 mSDsCounter, 0 mSdLazyCounter, 9207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22130 SdHoareTripleChecker+Valid, 27828 SdHoareTripleChecker+Invalid, 9208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time
[2024-12-02 08:01:15,757 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22130 Valid, 27828 Invalid, 9208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 9207 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time]
[2024-12-02 08:01:15,834 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 135472 states.
[2024-12-02 08:01:16,712 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 135472 to 131279.
[2024-12-02 08:01:16,792 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 131279 states, 131278 states have (on average 1.4549581803500968) internal successors, (191004), 131278 states have internal predecessors, (191004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:01:16,935 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 131279 states to 131279 states and 191004 transitions.
[2024-12-02 08:01:16,935 INFO  L78                 Accepts]: Start accepts. Automaton has 131279 states and 191004 transitions. Word has length 3256
[2024-12-02 08:01:16,936 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:01:16,936 INFO  L471      AbstractCegarLoop]: Abstraction has 131279 states and 191004 transitions.
[2024-12-02 08:01:16,937 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 542.6666666666666) internal successors, (3256), 6 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:01:16,937 INFO  L276                IsEmpty]: Start isEmpty. Operand 131279 states and 191004 transitions.
[2024-12-02 08:01:17,237 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3258
[2024-12-02 08:01:17,237 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:01:17,238 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 08:01:17,238 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 08:01:17,239 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:01:17,239 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:01:17,240 INFO  L85        PathProgramCache]: Analyzing trace with hash -1268462708, now seen corresponding path program 1 times
[2024-12-02 08:01:17,240 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:01:17,240 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44618982]
[2024-12-02 08:01:17,240 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:01:17,240 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:01:39,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:01:45,054 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:01:45,054 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:01:45,054 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44618982]
[2024-12-02 08:01:45,054 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44618982] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:01:45,054 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:01:45,055 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:01:45,055 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114267713]
[2024-12-02 08:01:45,055 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:01:45,057 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:01:45,057 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:01:45,058 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:01:45,058 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:01:45,059 INFO  L87              Difference]: Start difference. First operand 131279 states and 191004 transitions. Second operand  has 6 states, 6 states have (on average 542.8333333333334) internal successors, (3257), 6 states have internal predecessors, (3257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:01:49,555 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:01:53,568 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:01:57,574 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:02:01,589 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:02:05,598 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:02:09,605 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:02:13,623 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:02:17,631 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:02:24,875 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:02:26,327 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:02:26,451 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:02:26,451 INFO  L93              Difference]: Finished difference Result 343967 states and 501276 transitions.
[2024-12-02 08:02:26,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:02:26,452 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 542.8333333333334) internal successors, (3257), 6 states have internal predecessors, (3257), 0 states have call successors, (0), 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 3257
[2024-12-02 08:02:26,452 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:02:26,642 INFO  L225             Difference]: With dead ends: 343967
[2024-12-02 08:02:26,642 INFO  L226             Difference]: Without dead ends: 260882
[2024-12-02 08:02:26,714 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:02:26,714 INFO  L435           NwaCegarLoop]: 7640 mSDtfsCounter, 13225 mSDsluCounter, 21965 mSDsCounter, 0 mSdLazyCounter, 5242 mSolverCounterSat, 36 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13225 SdHoareTripleChecker+Valid, 29605 SdHoareTripleChecker+Invalid, 5287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 5242 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.7s IncrementalHoareTripleChecker+Time
[2024-12-02 08:02:26,715 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13225 Valid, 29605 Invalid, 5287 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [36 Valid, 5242 Invalid, 9 Unknown, 0 Unchecked, 40.7s Time]
[2024-12-02 08:02:26,839 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 260882 states.
[2024-12-02 08:02:28,936 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 260882 to 256487.
[2024-12-02 08:02:29,090 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 256487 states, 256486 states have (on average 1.453896119086422) internal successors, (372904), 256486 states have internal predecessors, (372904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:02:29,402 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 256487 states to 256487 states and 372904 transitions.
[2024-12-02 08:02:29,402 INFO  L78                 Accepts]: Start accepts. Automaton has 256487 states and 372904 transitions. Word has length 3257
[2024-12-02 08:02:29,403 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:02:29,403 INFO  L471      AbstractCegarLoop]: Abstraction has 256487 states and 372904 transitions.
[2024-12-02 08:02:29,403 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 542.8333333333334) internal successors, (3257), 6 states have internal predecessors, (3257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:02:29,403 INFO  L276                IsEmpty]: Start isEmpty. Operand 256487 states and 372904 transitions.
[2024-12-02 08:02:29,587 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3259
[2024-12-02 08:02:29,587 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:02:29,588 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 08:02:29,588 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 08:02:29,588 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:02:29,589 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:02:29,590 INFO  L85        PathProgramCache]: Analyzing trace with hash -351683367, now seen corresponding path program 1 times
[2024-12-02 08:02:29,590 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:02:29,590 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979540454]
[2024-12-02 08:02:29,590 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:02:29,590 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:02:52,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:02:57,837 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:02:57,837 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:02:57,837 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979540454]
[2024-12-02 08:02:57,837 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979540454] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:02:57,837 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:02:57,838 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:02:57,838 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162095706]
[2024-12-02 08:02:57,838 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:02:57,840 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:02:57,840 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:02:57,842 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:02:57,843 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:02:57,843 INFO  L87              Difference]: Start difference. First operand 256487 states and 372904 transitions. Second operand  has 6 states, 6 states have (on average 543.0) internal successors, (3258), 6 states have internal predecessors, (3258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:03:04,015 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:03:04,015 INFO  L93              Difference]: Finished difference Result 666621 states and 970646 transitions.
[2024-12-02 08:03:04,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:03:04,016 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 543.0) internal successors, (3258), 6 states have internal predecessors, (3258), 0 states have call successors, (0), 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 3258
[2024-12-02 08:03:04,016 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:03:04,415 INFO  L225             Difference]: With dead ends: 666621
[2024-12-02 08:03:04,415 INFO  L226             Difference]: Without dead ends: 506192
[2024-12-02 08:03:04,533 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:03:04,534 INFO  L435           NwaCegarLoop]: 6960 mSDtfsCounter, 22218 mSDsluCounter, 20866 mSDsCounter, 0 mSdLazyCounter, 9207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22218 SdHoareTripleChecker+Valid, 27826 SdHoareTripleChecker+Invalid, 9208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time
[2024-12-02 08:03:04,534 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22218 Valid, 27826 Invalid, 9208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 9207 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time]
[2024-12-02 08:03:04,758 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 506192 states.
[2024-12-02 08:03:08,100 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 506192 to 501983.
[2024-12-02 08:03:08,699 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 501983 states, 501982 states have (on average 1.4529843699574885) internal successors, (729372), 501982 states have internal predecessors, (729372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:03:09,330 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 501983 states to 501983 states and 729372 transitions.
[2024-12-02 08:03:09,330 INFO  L78                 Accepts]: Start accepts. Automaton has 501983 states and 729372 transitions. Word has length 3258
[2024-12-02 08:03:09,330 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:03:09,330 INFO  L471      AbstractCegarLoop]: Abstraction has 501983 states and 729372 transitions.
[2024-12-02 08:03:09,331 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 543.0) internal successors, (3258), 6 states have internal predecessors, (3258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:03:09,331 INFO  L276                IsEmpty]: Start isEmpty. Operand 501983 states and 729372 transitions.
[2024-12-02 08:03:10,160 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3260
[2024-12-02 08:03:10,161 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:03:10,162 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 08:03:10,162 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 08:03:10,162 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:03:10,163 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:03:10,163 INFO  L85        PathProgramCache]: Analyzing trace with hash -1063737250, now seen corresponding path program 1 times
[2024-12-02 08:03:10,163 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:03:10,164 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543660147]
[2024-12-02 08:03:10,164 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:03:10,164 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:03:33,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:03:40,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:03:40,160 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:03:40,160 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543660147]
[2024-12-02 08:03:40,160 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543660147] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:03:40,161 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:03:40,161 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:03:40,161 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988721959]
[2024-12-02 08:03:40,161 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:03:40,162 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:03:40,162 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:03:40,163 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:03:40,164 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:03:40,164 INFO  L87              Difference]: Start difference. First operand 501983 states and 729372 transitions. Second operand  has 6 states, 6 states have (on average 543.1666666666666) internal successors, (3259), 6 states have internal predecessors, (3259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:03:48,323 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:03:48,323 INFO  L93              Difference]: Finished difference Result 818037 states and 1192137 transitions.
[2024-12-02 08:03:48,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:03:48,324 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 543.1666666666666) internal successors, (3259), 6 states have internal predecessors, (3259), 0 states have call successors, (0), 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 3259
[2024-12-02 08:03:48,325 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:03:48,737 INFO  L225             Difference]: With dead ends: 818037
[2024-12-02 08:03:48,738 INFO  L226             Difference]: Without dead ends: 506192
[2024-12-02 08:03:48,910 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:03:48,911 INFO  L435           NwaCegarLoop]: 11787 mSDtfsCounter, 15727 mSDsluCounter, 30510 mSDsCounter, 0 mSdLazyCounter, 13660 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15727 SdHoareTripleChecker+Valid, 42297 SdHoareTripleChecker+Invalid, 13660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time
[2024-12-02 08:03:48,911 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15727 Valid, 42297 Invalid, 13660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13660 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time]
[2024-12-02 08:03:49,145 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 506192 states.
[2024-12-02 08:03:52,612 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 506192 to 501984.
[2024-12-02 08:03:52,836 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 501984 states, 501983 states have (on average 1.4529834675676268) internal successors, (729373), 501983 states have internal predecessors, (729373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:03:53,915 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 501984 states to 501984 states and 729373 transitions.
[2024-12-02 08:03:53,915 INFO  L78                 Accepts]: Start accepts. Automaton has 501984 states and 729373 transitions. Word has length 3259
[2024-12-02 08:03:53,916 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:03:53,916 INFO  L471      AbstractCegarLoop]: Abstraction has 501984 states and 729373 transitions.
[2024-12-02 08:03:53,916 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 543.1666666666666) internal successors, (3259), 6 states have internal predecessors, (3259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:03:53,916 INFO  L276                IsEmpty]: Start isEmpty. Operand 501984 states and 729373 transitions.
[2024-12-02 08:03:54,255 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3260
[2024-12-02 08:03:54,255 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:03:54,256 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 08:03:54,256 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 08:03:54,256 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:03:54,256 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:03:54,257 INFO  L85        PathProgramCache]: Analyzing trace with hash 97360527, now seen corresponding path program 1 times
[2024-12-02 08:03:54,257 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:03:54,257 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812884283]
[2024-12-02 08:03:54,257 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:03:54,257 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:04:17,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:04:23,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:04:23,402 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:04:23,402 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812884283]
[2024-12-02 08:04:23,402 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812884283] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:04:23,402 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:04:23,403 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:04:23,403 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236585647]
[2024-12-02 08:04:23,403 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:04:23,405 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:04:23,405 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:04:23,408 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:04:23,408 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:04:23,409 INFO  L87              Difference]: Start difference. First operand 501984 states and 729373 transitions. Second operand  has 6 states, 6 states have (on average 543.1666666666666) internal successors, (3259), 6 states have internal predecessors, (3259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:04:28,713 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:04:32,719 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:04:36,726 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:04:46,422 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:04:50,431 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 08:04:51,121 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:04:51,121 INFO  L93              Difference]: Finished difference Result 1314194 states and 1912767 transitions.
[2024-12-02 08:04:51,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 08:04:51,122 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 543.1666666666666) internal successors, (3259), 6 states have internal predecessors, (3259), 0 states have call successors, (0), 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 3259
[2024-12-02 08:04:51,123 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:04:52,370 INFO  L225             Difference]: With dead ends: 1314194
[2024-12-02 08:04:52,370 INFO  L226             Difference]: Without dead ends: 1002348
[2024-12-02 08:04:52,499 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:04:52,499 INFO  L435           NwaCegarLoop]: 7636 mSDtfsCounter, 6724 mSDsluCounter, 28935 mSDsCounter, 0 mSdLazyCounter, 7542 mSolverCounterSat, 38 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6724 SdHoareTripleChecker+Valid, 36571 SdHoareTripleChecker+Invalid, 7585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 7542 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time
[2024-12-02 08:04:52,499 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6724 Valid, 36571 Invalid, 7585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 7542 Invalid, 5 Unknown, 0 Unchecked, 25.0s Time]
[2024-12-02 08:04:52,904 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1002348 states.