./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.5.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_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/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_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/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_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/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 4dbd6ede5518fc908c530dd5f44332574f1081a2938c3686bb05a0bf15bc5694
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:17:52,986 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:17:53,042 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 11:17:53,046 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:17:53,047 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:17:53,068 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:17:53,068 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:17:53,069 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:17:53,069 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:17:53,069 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 11:17:53,069 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:17:53,069 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:17:53,070 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:17:53,070 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 11:17:53,070 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 11:17:53,070 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:17:53,070 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:17:53,070 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 11:17:53,070 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 11:17:53,070 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:17:53,070 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:17:53,070 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:17:53,070 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 11:17:53,071 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:17:53,071 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 11:17:53,071 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:17:53,071 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:17:53,071 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:17:53,071 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:17:53,071 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:17:53,071 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:17:53,071 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:17:53,071 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:17:53,071 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:17:53,071 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:17:53,072 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:17:53,072 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:17:53,072 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 11:17:53,072 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:17:53,072 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 11:17:53,072 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:17:53,072 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:17:53,072 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:17:53,072 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:17:53,072 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:17:53,072 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_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/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 -> 4dbd6ede5518fc908c530dd5f44332574f1081a2938c3686bb05a0bf15bc5694
[2024-12-02 11:17:53,321 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:17:53,330 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:17:53,332 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:17:53,333 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 11:17:53,334 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 11:17:53,335 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.5.prop1-func-interl.c
[2024-12-02 11:17:56,000 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/data/f79b6aa34/9cf75f9bbe5f4521a0fe95480bd0704e/FLAG7b70d2e04
[2024-12-02 11:17:56,446 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 11:17:56,447 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.5.prop1-func-interl.c
[2024-12-02 11:17:56,486 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/data/f79b6aa34/9cf75f9bbe5f4521a0fe95480bd0704e/FLAG7b70d2e04
[2024-12-02 11:17:56,500 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/data/f79b6aa34/9cf75f9bbe5f4521a0fe95480bd0704e
[2024-12-02 11:17:56,502 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:17:56,504 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:17:56,505 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:17:56,505 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:17:56,510 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:17:56,511 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:56" (1/1) ...
[2024-12-02 11:17:56,512 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e29b2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:56, skipping insertion in model container
[2024-12-02 11:17:56,512 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:56" (1/1) ...
[2024-12-02 11:17:56,624 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:17:56,853 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_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.5.prop1-func-interl.c[1173,1186]
[2024-12-02 11:17:57,739 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:17:57,749 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 11:17:57,760 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_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.5.prop1-func-interl.c[1173,1186]
[2024-12-02 11:17:58,442 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:17:58,455 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 11:17:58,456 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58 WrapperNode
[2024-12-02 11:17:58,456 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:17:58,457 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:17:58,457 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:17:58,457 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:17:58,463 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:17:58,666 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:00,994 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36656
[2024-12-02 11:18:00,995 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:18:00,996 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:18:00,996 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:18:00,996 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:18:01,003 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:01,003 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:02,079 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:02,429 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 11:18:02,429 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:02,430 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:02,918 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:02,980 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:03,069 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:03,204 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:03,294 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:03,701 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:18:03,701 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:18:03,701 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:18:03,702 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:18:03,702 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (1/1) ...
[2024-12-02 11:18:03,707 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:18:03,720 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:18:03,732 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:18:03,734 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6a10d0-2bd4-4f3d-a6cf-aef61940f9de/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:18:03,754 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:18:03,754 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 11:18:03,754 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:18:03,754 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:18:05,206 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 11:18:05,207 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:20:39,509 INFO  L?                        ?]: Removed 20787 outVars from TransFormulas that were not future-live.
[2024-12-02 11:20:39,510 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 11:20:39,752 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:20:39,753 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 11:20:39,753 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:39 BoogieIcfgContainer
[2024-12-02 11:20:39,754 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:20:39,762 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:20:39,763 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:20:39,778 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:20:39,779 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:17:56" (1/3) ...
[2024-12-02 11:20:39,779 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b742fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:20:39, skipping insertion in model container
[2024-12-02 11:20:39,780 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:58" (2/3) ...
[2024-12-02 11:20:39,780 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b742fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:20:39, skipping insertion in model container
[2024-12-02 11:20:39,780 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:39" (3/3) ...
[2024-12-02 11:20:39,782 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.rether.5.prop1-func-interl.c
[2024-12-02 11:20:39,803 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:20:39,806 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.rether.5.prop1-func-interl.c that has 1 procedures, 12962 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 11:20:40,286 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:20:40,305 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;@1cbf539a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:20:40,305 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 11:20:40,347 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 12962 states, 12960 states have (on average 1.5000771604938272) internal successors, (19441), 12961 states have internal predecessors, (19441), 0 states have call successors, (0), 0 states 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 11:20:40,376 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 470
[2024-12-02 11:20:40,376 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:20:40,378 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:20:40,378 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:20:40,384 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:20:40,385 INFO  L85        PathProgramCache]: Analyzing trace with hash 687160029, now seen corresponding path program 1 times
[2024-12-02 11:20:40,393 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:20:40,393 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250294829]
[2024-12-02 11:20:40,394 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:20:40,395 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:20:40,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:20:43,153 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 11:20:43,153 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:20:43,154 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250294829]
[2024-12-02 11:20:43,154 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250294829] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:20:43,155 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:20:43,155 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:20:43,157 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134060274]
[2024-12-02 11:20:43,158 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:20:43,162 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:20:43,163 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:20:43,184 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:20:43,185 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:20:43,216 INFO  L87              Difference]: Start difference. First operand  has 12962 states, 12960 states have (on average 1.5000771604938272) internal successors, (19441), 12961 states have internal predecessors, (19441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states 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 11:20:43,984 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:20:43,985 INFO  L93              Difference]: Finished difference Result 25377 states and 38065 transitions.
[2024-12-02 11:20:43,986 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:20:43,988 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 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 469
[2024-12-02 11:20:43,990 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:20:44,050 INFO  L225             Difference]: With dead ends: 25377
[2024-12-02 11:20:44,050 INFO  L226             Difference]: Without dead ends: 12961
[2024-12-02 11:20:44,069 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 11:20:44,072 INFO  L435           NwaCegarLoop]: 19435 mSDtfsCounter, 0 mSDsluCounter, 38864 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58299 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:20:44,073 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58299 Invalid, 11 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:20:44,113 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12961 states.
[2024-12-02 11:20:44,421 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12961 to 12961.
[2024-12-02 11:20:44,451 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12961 states, 12960 states have (on average 1.4999228395061728) internal successors, (19439), 12960 states have internal predecessors, (19439), 0 states have call successors, (0), 0 states 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 11:20:44,521 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12961 states to 12961 states and 19439 transitions.
[2024-12-02 11:20:44,523 INFO  L78                 Accepts]: Start accepts. Automaton has 12961 states and 19439 transitions. Word has length 469
[2024-12-02 11:20:44,524 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:20:44,524 INFO  L471      AbstractCegarLoop]: Abstraction has 12961 states and 19439 transitions.
[2024-12-02 11:20:44,525 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states 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 11:20:44,526 INFO  L276                IsEmpty]: Start isEmpty. Operand 12961 states and 19439 transitions.
[2024-12-02 11:20:44,538 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 471
[2024-12-02 11:20:44,538 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:20:44,538 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:20:44,539 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 11:20:44,539 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:20:44,540 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:20:44,540 INFO  L85        PathProgramCache]: Analyzing trace with hash -171177412, now seen corresponding path program 1 times
[2024-12-02 11:20:44,540 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:20:44,540 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612368214]
[2024-12-02 11:20:44,541 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:20:44,541 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:20:44,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:20:45,766 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 11:20:45,766 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:20:45,766 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612368214]
[2024-12-02 11:20:45,766 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612368214] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:20:45,767 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:20:45,767 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:20:45,767 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712936393]
[2024-12-02 11:20:45,767 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:20:45,769 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:20:45,769 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:20:45,770 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:20:45,770 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:20:45,770 INFO  L87              Difference]: Start difference. First operand 12961 states and 19439 transitions. Second operand  has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states 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 11:20:46,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:20:46,193 INFO  L93              Difference]: Finished difference Result 25378 states and 38063 transitions.
[2024-12-02 11:20:46,193 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:20:46,193 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 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 470
[2024-12-02 11:20:46,195 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:20:46,236 INFO  L225             Difference]: With dead ends: 25378
[2024-12-02 11:20:46,236 INFO  L226             Difference]: Without dead ends: 12963
[2024-12-02 11:20:46,249 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 11:20:46,250 INFO  L435           NwaCegarLoop]: 19435 mSDtfsCounter, 0 mSDsluCounter, 38860 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58295 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:20:46,251 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58295 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:20:46,270 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12963 states.
[2024-12-02 11:20:46,444 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12963 to 12963.
[2024-12-02 11:20:46,461 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12963 states, 12962 states have (on average 1.4998457028236383) internal successors, (19441), 12962 states have internal predecessors, (19441), 0 states have call successors, (0), 0 states 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 11:20:46,497 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12963 states to 12963 states and 19441 transitions.
[2024-12-02 11:20:46,498 INFO  L78                 Accepts]: Start accepts. Automaton has 12963 states and 19441 transitions. Word has length 470
[2024-12-02 11:20:46,498 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:20:46,499 INFO  L471      AbstractCegarLoop]: Abstraction has 12963 states and 19441 transitions.
[2024-12-02 11:20:46,499 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states 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 11:20:46,499 INFO  L276                IsEmpty]: Start isEmpty. Operand 12963 states and 19441 transitions.
[2024-12-02 11:20:46,507 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 472
[2024-12-02 11:20:46,508 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:20:46,508 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:20:46,508 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 11:20:46,508 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:20:46,509 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:20:46,509 INFO  L85        PathProgramCache]: Analyzing trace with hash -2109495402, now seen corresponding path program 1 times
[2024-12-02 11:20:46,509 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:20:46,509 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654247836]
[2024-12-02 11:20:46,509 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:20:46,509 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:20:46,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:20:47,684 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 11:20:47,684 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:20:47,684 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654247836]
[2024-12-02 11:20:47,684 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654247836] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:20:47,685 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:20:47,685 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:20:47,685 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986037155]
[2024-12-02 11:20:47,685 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:20:47,686 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:20:47,686 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:20:47,686 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:20:47,686 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:20:47,687 INFO  L87              Difference]: Start difference. First operand 12963 states and 19441 transitions. Second operand  has 5 states, 5 states have (on average 94.2) internal successors, (471), 5 states have internal predecessors, (471), 0 states have call successors, (0), 0 states 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 11:20:48,232 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:20:48,233 INFO  L93              Difference]: Finished difference Result 35507 states and 53254 transitions.
[2024-12-02 11:20:48,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:20:48,233 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 94.2) internal successors, (471), 5 states have internal predecessors, (471), 0 states have call successors, (0), 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 471
[2024-12-02 11:20:48,234 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:20:48,282 INFO  L225             Difference]: With dead ends: 35507
[2024-12-02 11:20:48,282 INFO  L226             Difference]: Without dead ends: 23090
[2024-12-02 11:20:48,299 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:20:48,300 INFO  L435           NwaCegarLoop]: 19431 mSDtfsCounter, 15550 mSDsluCounter, 57470 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15550 SdHoareTripleChecker+Valid, 76901 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:20:48,300 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15550 Valid, 76901 Invalid, 30 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:20:48,329 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23090 states.
[2024-12-02 11:20:48,557 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23090 to 13341.
[2024-12-02 11:20:48,574 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13341 states, 13340 states have (on average 1.4997751124437781) internal successors, (20007), 13340 states have internal predecessors, (20007), 0 states have call successors, (0), 0 states 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 11:20:48,592 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13341 states to 13341 states and 20007 transitions.
[2024-12-02 11:20:48,592 INFO  L78                 Accepts]: Start accepts. Automaton has 13341 states and 20007 transitions. Word has length 471
[2024-12-02 11:20:48,593 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:20:48,594 INFO  L471      AbstractCegarLoop]: Abstraction has 13341 states and 20007 transitions.
[2024-12-02 11:20:48,594 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 94.2) internal successors, (471), 5 states have internal predecessors, (471), 0 states have call successors, (0), 0 states 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 11:20:48,594 INFO  L276                IsEmpty]: Start isEmpty. Operand 13341 states and 20007 transitions.
[2024-12-02 11:20:49,042 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6675
[2024-12-02 11:20:49,042 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:20:49,045 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:20:49,045 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 11:20:49,046 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:20:49,048 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:20:49,052 INFO  L85        PathProgramCache]: Analyzing trace with hash 435177103, now seen corresponding path program 1 times
[2024-12-02 11:20:49,052 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:20:49,052 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352205802]
[2024-12-02 11:20:49,054 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:20:49,054 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:20:59,372 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:21:16,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 194 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:21:16,305 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:21:16,305 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352205802]
[2024-12-02 11:21:16,305 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352205802] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:21:16,305 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:21:16,306 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:21:16,306 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158731634]
[2024-12-02 11:21:16,306 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:21:16,313 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:21:16,314 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:21:16,321 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:21:16,321 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:21:16,324 INFO  L87              Difference]: Start difference. First operand 13341 states and 20007 transitions. Second operand  has 4 states, 4 states have (on average 1668.5) internal successors, (6674), 4 states have internal predecessors, (6674), 0 states have call successors, (0), 0 states 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 11:21:16,931 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:21:16,931 INFO  L93              Difference]: Finished difference Result 25758 states and 38630 transitions.
[2024-12-02 11:21:16,932 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:21:16,933 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1668.5) internal successors, (6674), 4 states have internal predecessors, (6674), 0 states have call successors, (0), 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 6674
[2024-12-02 11:21:16,935 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:21:16,958 INFO  L225             Difference]: With dead ends: 25758
[2024-12-02 11:21:16,958 INFO  L226             Difference]: Without dead ends: 13341
[2024-12-02 11:21:16,967 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:21:16,968 INFO  L435           NwaCegarLoop]: 19425 mSDtfsCounter, 18117 mSDsluCounter, 19423 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18117 SdHoareTripleChecker+Valid, 38848 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:21:16,968 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [18117 Valid, 38848 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:21:16,985 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13341 states.
[2024-12-02 11:21:17,114 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13341 to 13341.
[2024-12-02 11:21:17,129 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13341 states, 13340 states have (on average 1.4997001499250375) internal successors, (20006), 13340 states have internal predecessors, (20006), 0 states have call successors, (0), 0 states 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 11:21:17,159 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13341 states to 13341 states and 20006 transitions.
[2024-12-02 11:21:17,159 INFO  L78                 Accepts]: Start accepts. Automaton has 13341 states and 20006 transitions. Word has length 6674
[2024-12-02 11:21:17,163 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:21:17,163 INFO  L471      AbstractCegarLoop]: Abstraction has 13341 states and 20006 transitions.
[2024-12-02 11:21:17,164 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1668.5) internal successors, (6674), 4 states have internal predecessors, (6674), 0 states have call successors, (0), 0 states 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 11:21:17,165 INFO  L276                IsEmpty]: Start isEmpty. Operand 13341 states and 20006 transitions.
[2024-12-02 11:21:17,623 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6676
[2024-12-02 11:21:17,623 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:21:17,627 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:21:17,628 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 11:21:17,628 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:21:17,631 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:21:17,634 INFO  L85        PathProgramCache]: Analyzing trace with hash -1593872898, now seen corresponding path program 1 times
[2024-12-02 11:21:17,635 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:21:17,635 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038291266]
[2024-12-02 11:21:17,637 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:21:17,637 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:21:26,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:21:42,399 INFO  L134       CoverageAnalysis]: Checked inductivity of 194 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:21:42,399 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:21:42,400 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038291266]
[2024-12-02 11:21:42,400 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038291266] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:21:42,400 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:21:42,401 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:21:42,401 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493363909]
[2024-12-02 11:21:42,402 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:21:42,409 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:21:42,409 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:21:42,417 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:21:42,417 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:21:42,420 INFO  L87              Difference]: Start difference. First operand 13341 states and 20006 transitions. Second operand  has 4 states, 4 states have (on average 1668.75) internal successors, (6675), 4 states have internal predecessors, (6675), 0 states have call successors, (0), 0 states 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 11:21:43,026 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:21:43,026 INFO  L93              Difference]: Finished difference Result 25758 states and 38628 transitions.
[2024-12-02 11:21:43,027 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:21:43,028 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1668.75) internal successors, (6675), 4 states have internal predecessors, (6675), 0 states have call successors, (0), 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 6675
[2024-12-02 11:21:43,030 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:21:43,056 INFO  L225             Difference]: With dead ends: 25758
[2024-12-02 11:21:43,056 INFO  L226             Difference]: Without dead ends: 13341
[2024-12-02 11:21:43,067 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:21:43,068 INFO  L435           NwaCegarLoop]: 19424 mSDtfsCounter, 18107 mSDsluCounter, 19422 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18107 SdHoareTripleChecker+Valid, 38846 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 11:21:43,072 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [18107 Valid, 38846 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 11:21:43,103 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13341 states.
[2024-12-02 11:21:43,246 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13341 to 13341.
[2024-12-02 11:21:43,258 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13341 states, 13340 states have (on average 1.499625187406297) internal successors, (20005), 13340 states have internal predecessors, (20005), 0 states have call successors, (0), 0 states 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 11:21:43,277 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13341 states to 13341 states and 20005 transitions.
[2024-12-02 11:21:43,277 INFO  L78                 Accepts]: Start accepts. Automaton has 13341 states and 20005 transitions. Word has length 6675
[2024-12-02 11:21:43,279 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:21:43,279 INFO  L471      AbstractCegarLoop]: Abstraction has 13341 states and 20005 transitions.
[2024-12-02 11:21:43,281 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1668.75) internal successors, (6675), 4 states have internal predecessors, (6675), 0 states have call successors, (0), 0 states 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 11:21:43,281 INFO  L276                IsEmpty]: Start isEmpty. Operand 13341 states and 20005 transitions.
[2024-12-02 11:21:43,675 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6677
[2024-12-02 11:21:43,676 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:21:43,679 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:21:43,679 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 11:21:43,679 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:21:43,681 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:21:43,684 INFO  L85        PathProgramCache]: Analyzing trace with hash -1406472240, now seen corresponding path program 1 times
[2024-12-02 11:21:43,684 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:21:43,684 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304519581]
[2024-12-02 11:21:43,686 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:21:43,686 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:21:52,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:22:13,339 INFO  L134       CoverageAnalysis]: Checked inductivity of 194 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked.
[2024-12-02 11:22:13,340 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:22:13,340 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304519581]
[2024-12-02 11:22:13,340 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304519581] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:22:13,340 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:22:13,340 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:22:13,341 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422242972]
[2024-12-02 11:22:13,341 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:22:13,344 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:22:13,345 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:22:13,347 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:22:13,348 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:22:13,349 INFO  L87              Difference]: Start difference. First operand 13341 states and 20005 transitions. Second operand  has 5 states, 5 states have (on average 1297.8) internal successors, (6489), 5 states have internal predecessors, (6489), 0 states have call successors, (0), 0 states 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 11:22:13,530 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:22:13,530 INFO  L93              Difference]: Finished difference Result 25762 states and 38631 transitions.
[2024-12-02 11:22:13,530 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:22:13,531 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 1297.8) internal successors, (6489), 5 states have internal predecessors, (6489), 0 states have call successors, (0), 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 6676
[2024-12-02 11:22:13,537 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:22:13,552 INFO  L225             Difference]: With dead ends: 25762
[2024-12-02 11:22:13,552 INFO  L226             Difference]: Without dead ends: 13345
[2024-12-02 11:22:13,559 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:22:13,560 INFO  L435           NwaCegarLoop]: 19433 mSDtfsCounter, 0 mSDsluCounter, 38850 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58283 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:22:13,560 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58283 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:22:13,578 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13345 states.
[2024-12-02 11:22:13,708 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13345 to 13341.
[2024-12-02 11:22:13,721 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13341 states, 13340 states have (on average 1.499625187406297) internal successors, (20005), 13340 states have internal predecessors, (20005), 0 states have call successors, (0), 0 states 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 11:22:13,736 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13341 states to 13341 states and 20005 transitions.
[2024-12-02 11:22:13,736 INFO  L78                 Accepts]: Start accepts. Automaton has 13341 states and 20005 transitions. Word has length 6676
[2024-12-02 11:22:13,741 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:22:13,741 INFO  L471      AbstractCegarLoop]: Abstraction has 13341 states and 20005 transitions.
[2024-12-02 11:22:13,742 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 1297.8) internal successors, (6489), 5 states have internal predecessors, (6489), 0 states have call successors, (0), 0 states 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 11:22:13,742 INFO  L276                IsEmpty]: Start isEmpty. Operand 13341 states and 20005 transitions.
[2024-12-02 11:22:14,045 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6678
[2024-12-02 11:22:14,045 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:22:14,048 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-12-02 11:22:14,048 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 11:22:14,049 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:22:14,050 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:22:14,053 INFO  L85        PathProgramCache]: Analyzing trace with hash 257923337, now seen corresponding path program 1 times
[2024-12-02 11:22:14,053 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:22:14,053 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489556114]
[2024-12-02 11:22:14,053 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:22:14,054 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:22:22,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat