./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.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_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB --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 3651a429c473793dba4c143cc688512ed11e424a805612fcfd1ccfdb45a48c54
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-28 05:17:41,902 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-28 05:17:42,018 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-28 05:17:42,030 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-28 05:17:42,031 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-28 05:17:42,062 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-28 05:17:42,064 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-28 05:17:42,064 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-28 05:17:42,065 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-28 05:17:42,065 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-28 05:17:42,066 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-28 05:17:42,066 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-28 05:17:42,067 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-28 05:17:42,067 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-28 05:17:42,068 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-28 05:17:42,068 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-28 05:17:42,068 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-28 05:17:42,068 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-28 05:17:42,069 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-28 05:17:42,069 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-28 05:17:42,070 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-28 05:17:42,070 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-28 05:17:42,070 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-28 05:17:42,070 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-28 05:17:42,070 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-28 05:17:42,070 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-28 05:17:42,070 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-28 05:17:42,071 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 05:17:42,071 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-28 05:17:42,071 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 05:17:42,071 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-28 05:17:42,071 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-28 05:17:42,071 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 05:17:42,071 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-28 05:17:42,071 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 05:17:42,071 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-28 05:17:42,072 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-28 05:17:42,072 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-28 05:17:42,072 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-28 05:17:42,072 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-28 05:17:42,072 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-28 05:17:42,072 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-28 05:17:42,072 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-28 05:17:42,072 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-28 05:17:42,072 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-28 05:17:42,072 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_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB
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 -> 3651a429c473793dba4c143cc688512ed11e424a805612fcfd1ccfdb45a48c54
[2024-11-28 05:17:42,415 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-28 05:17:42,430 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-28 05:17:42,433 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-28 05:17:42,438 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-28 05:17:42,438 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-28 05:17:42,442 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c
[2024-11-28 05:17:45,630 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/data/3687c7c8f/f10b210d56a24a8ebad3b4be78e1797b/FLAG93e6d9d8a
[2024-11-28 05:17:46,151 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-28 05:17:46,152 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c
[2024-11-28 05:17:46,196 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/data/3687c7c8f/f10b210d56a24a8ebad3b4be78e1797b/FLAG93e6d9d8a
[2024-11-28 05:17:46,220 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/data/3687c7c8f/f10b210d56a24a8ebad3b4be78e1797b
[2024-11-28 05:17:46,225 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-28 05:17:46,226 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-28 05:17:46,229 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-28 05:17:46,230 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-28 05:17:46,235 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-28 05:17:46,236 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:17:46" (1/1) ...
[2024-11-28 05:17:46,237 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d99b769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:46, skipping insertion in model container
[2024-11-28 05:17:46,239 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:17:46" (1/1) ...
[2024-11-28 05:17:46,374 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-28 05:17:46,731 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_b45292e1-c1a6-4f82-943b-9d8901575689/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c[1177,1190]
[2024-11-28 05:17:47,882 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-28 05:17:47,895 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-28 05:17:47,908 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_b45292e1-c1a6-4f82-943b-9d8901575689/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-func-interl.c[1177,1190]
[2024-11-28 05:17:48,565 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-28 05:17:48,586 INFO  L204         MainTranslator]: Completed translation
[2024-11-28 05:17:48,586 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48 WrapperNode
[2024-11-28 05:17:48,587 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-28 05:17:48,589 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-28 05:17:48,589 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-28 05:17:48,589 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-28 05:17:48,601 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:48,769 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:51,320 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16443
[2024-11-28 05:17:51,320 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-28 05:17:51,321 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-28 05:17:51,321 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-28 05:17:51,321 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-28 05:17:51,332 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:51,333 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:51,995 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:52,457 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-28 05:17:52,461 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:52,461 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:53,231 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:53,318 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:53,413 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:53,536 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:53,616 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:54,027 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-28 05:17:54,028 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-28 05:17:54,028 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-28 05:17:54,028 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-28 05:17:54,029 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (1/1) ...
[2024-11-28 05:17:54,035 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 05:17:54,050 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-28 05:17:54,065 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-28 05:17:54,068 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45292e1-c1a6-4f82-943b-9d8901575689/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-28 05:17:54,095 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-28 05:17:54,095 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-28 05:17:54,095 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-28 05:17:54,095 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-28 05:17:55,355 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-28 05:17:55,357 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-28 05:18:34,881 INFO  L?                        ?]: Removed 9337 outVars from TransFormulas that were not future-live.
[2024-11-28 05:18:34,881 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-28 05:18:34,996 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-28 05:18:34,996 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-28 05:18:34,997 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:34 BoogieIcfgContainer
[2024-11-28 05:18:34,997 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-28 05:18:35,001 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-28 05:18:35,003 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-28 05:18:35,007 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-28 05:18:35,009 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:17:46" (1/3) ...
[2024-11-28 05:18:35,011 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5c27d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:18:35, skipping insertion in model container
[2024-11-28 05:18:35,012 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:48" (2/3) ...
[2024-11-28 05:18:35,013 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5c27d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:18:35, skipping insertion in model container
[2024-11-28 05:18:35,013 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:34" (3/3) ...
[2024-11-28 05:18:35,014 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.train-gate.7.prop1-func-interl.c
[2024-11-28 05:18:35,034 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-28 05:18:35,037 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.train-gate.7.prop1-func-interl.c that has 1 procedures, 5702 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-28 05:18:35,215 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-28 05:18:35,228 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;@71421955, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-28 05:18:35,232 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-28 05:18:35,250 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5702 states, 5700 states have (on average 1.4998245614035088) internal successors, (8549), 5701 states have internal predecessors, (8549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:35,271 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 304
[2024-11-28 05:18:35,271 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 05:18:35,272 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]
[2024-11-28 05:18:35,273 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 05:18:35,277 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 05:18:35,278 INFO  L85        PathProgramCache]: Analyzing trace with hash 1745708569, now seen corresponding path program 1 times
[2024-11-28 05:18:35,286 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 05:18:35,287 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454205709]
[2024-11-28 05:18:35,287 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 05:18:35,288 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 05:18:35,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 05:18:37,704 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 05:18:37,705 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 05:18:37,708 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454205709]
[2024-11-28 05:18:37,709 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454205709] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 05:18:37,709 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 05:18:37,710 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 05:18:37,711 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185137837]
[2024-11-28 05:18:37,712 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 05:18:37,719 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 05:18:37,720 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 05:18:37,747 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 05:18:37,748 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 05:18:37,763 INFO  L87              Difference]: Start difference. First operand  has 5702 states, 5700 states have (on average 1.4998245614035088) internal successors, (8549), 5701 states have internal predecessors, (8549), 0 states have call successors, (0), 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 75.75) internal successors, (303), 4 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:38,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 05:18:38,313 INFO  L93              Difference]: Finished difference Result 11073 states and 16605 transitions.
[2024-11-28 05:18:38,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 05:18:38,317 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 75.75) internal successors, (303), 4 states have internal predecessors, (303), 0 states have call successors, (0), 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 303
[2024-11-28 05:18:38,318 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 05:18:38,359 INFO  L225             Difference]: With dead ends: 11073
[2024-11-28 05:18:38,360 INFO  L226             Difference]: Without dead ends: 5701
[2024-11-28 05:18:38,378 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 05:18:38,384 INFO  L435           NwaCegarLoop]: 8543 mSDtfsCounter, 0 mSDsluCounter, 17080 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25623 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 05:18:38,387 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25623 Invalid, 11 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 05:18:38,417 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5701 states.
[2024-11-28 05:18:38,747 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5701 to 5701.
[2024-11-28 05:18:38,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5701 states, 5700 states have (on average 1.4994736842105263) internal successors, (8547), 5700 states have internal predecessors, (8547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:38,792 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5701 states to 5701 states and 8547 transitions.
[2024-11-28 05:18:38,793 INFO  L78                 Accepts]: Start accepts. Automaton has 5701 states and 8547 transitions. Word has length 303
[2024-11-28 05:18:38,794 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 05:18:38,794 INFO  L471      AbstractCegarLoop]: Abstraction has 5701 states and 8547 transitions.
[2024-11-28 05:18:38,794 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 75.75) internal successors, (303), 4 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:38,797 INFO  L276                IsEmpty]: Start isEmpty. Operand 5701 states and 8547 transitions.
[2024-11-28 05:18:38,810 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 305
[2024-11-28 05:18:38,810 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 05:18:38,810 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]
[2024-11-28 05:18:38,811 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-28 05:18:38,811 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 05:18:38,812 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 05:18:38,812 INFO  L85        PathProgramCache]: Analyzing trace with hash -1715912119, now seen corresponding path program 1 times
[2024-11-28 05:18:38,812 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 05:18:38,812 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963663136]
[2024-11-28 05:18:38,814 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 05:18:38,814 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 05:18:39,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 05:18:40,391 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 05:18:40,395 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 05:18:40,395 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963663136]
[2024-11-28 05:18:40,395 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963663136] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 05:18:40,395 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 05:18:40,395 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 05:18:40,395 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923333954]
[2024-11-28 05:18:40,395 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 05:18:40,405 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 05:18:40,405 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 05:18:40,407 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 05:18:40,408 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 05:18:40,409 INFO  L87              Difference]: Start difference. First operand 5701 states and 8547 transitions. Second operand  has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:40,811 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 05:18:40,812 INFO  L93              Difference]: Finished difference Result 11074 states and 16603 transitions.
[2024-11-28 05:18:40,812 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 05:18:40,813 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 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 304
[2024-11-28 05:18:40,815 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 05:18:40,840 INFO  L225             Difference]: With dead ends: 11074
[2024-11-28 05:18:40,840 INFO  L226             Difference]: Without dead ends: 5703
[2024-11-28 05:18:40,847 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 05:18:40,848 INFO  L435           NwaCegarLoop]: 8543 mSDtfsCounter, 0 mSDsluCounter, 17076 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25619 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
[2024-11-28 05:18:40,850 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25619 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 05:18:40,861 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5703 states.
[2024-11-28 05:18:41,021 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5703 to 5703.
[2024-11-28 05:18:41,040 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5703 states, 5702 states have (on average 1.4992984917572783) internal successors, (8549), 5702 states have internal predecessors, (8549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:41,087 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 8549 transitions.
[2024-11-28 05:18:41,091 INFO  L78                 Accepts]: Start accepts. Automaton has 5703 states and 8549 transitions. Word has length 304
[2024-11-28 05:18:41,091 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 05:18:41,091 INFO  L471      AbstractCegarLoop]: Abstraction has 5703 states and 8549 transitions.
[2024-11-28 05:18:41,094 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:41,094 INFO  L276                IsEmpty]: Start isEmpty. Operand 5703 states and 8549 transitions.
[2024-11-28 05:18:41,102 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 306
[2024-11-28 05:18:41,102 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 05:18:41,103 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]
[2024-11-28 05:18:41,103 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-28 05:18:41,103 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 05:18:41,113 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 05:18:41,113 INFO  L85        PathProgramCache]: Analyzing trace with hash 1543335154, now seen corresponding path program 1 times
[2024-11-28 05:18:41,113 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 05:18:41,113 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819517510]
[2024-11-28 05:18:41,113 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 05:18:41,113 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 05:18:41,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 05:18:42,002 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 05:18:42,003 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 05:18:42,003 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819517510]
[2024-11-28 05:18:42,004 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819517510] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 05:18:42,004 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 05:18:42,004 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-28 05:18:42,004 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363397303]
[2024-11-28 05:18:42,004 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 05:18:42,005 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-28 05:18:42,005 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 05:18:42,006 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-28 05:18:42,007 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-28 05:18:42,008 INFO  L87              Difference]: Start difference. First operand 5703 states and 8549 transitions. Second operand  has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:42,391 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 05:18:42,391 INFO  L93              Difference]: Finished difference Result 11082 states and 16613 transitions.
[2024-11-28 05:18:42,392 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-28 05:18:42,392 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 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 305
[2024-11-28 05:18:42,393 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 05:18:42,416 INFO  L225             Difference]: With dead ends: 11082
[2024-11-28 05:18:42,417 INFO  L226             Difference]: Without dead ends: 5709
[2024-11-28 05:18:42,424 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-28 05:18:42,425 INFO  L435           NwaCegarLoop]: 8542 mSDtfsCounter, 4 mSDsluCounter, 25614 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 34156 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 05:18:42,426 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 34156 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 05:18:42,439 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5709 states.
[2024-11-28 05:18:42,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5709 to 5709.
[2024-11-28 05:18:42,570 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5709 states, 5708 states have (on average 1.4991240364400842) internal successors, (8557), 5708 states have internal predecessors, (8557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:42,605 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5709 states to 5709 states and 8557 transitions.
[2024-11-28 05:18:42,605 INFO  L78                 Accepts]: Start accepts. Automaton has 5709 states and 8557 transitions. Word has length 305
[2024-11-28 05:18:42,606 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 05:18:42,606 INFO  L471      AbstractCegarLoop]: Abstraction has 5709 states and 8557 transitions.
[2024-11-28 05:18:42,607 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:42,607 INFO  L276                IsEmpty]: Start isEmpty. Operand 5709 states and 8557 transitions.
[2024-11-28 05:18:42,615 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 307
[2024-11-28 05:18:42,615 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 05:18:42,616 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]
[2024-11-28 05:18:42,616 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-28 05:18:42,617 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 05:18:42,617 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 05:18:42,618 INFO  L85        PathProgramCache]: Analyzing trace with hash 1652808375, now seen corresponding path program 1 times
[2024-11-28 05:18:42,618 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 05:18:42,618 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748258605]
[2024-11-28 05:18:42,619 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 05:18:42,619 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 05:18:42,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 05:18:43,740 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 05:18:43,741 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 05:18:43,741 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748258605]
[2024-11-28 05:18:43,742 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748258605] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 05:18:43,742 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 05:18:43,742 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-28 05:18:43,742 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608021148]
[2024-11-28 05:18:43,742 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 05:18:43,743 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-28 05:18:43,743 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 05:18:43,744 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-28 05:18:43,745 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-28 05:18:43,745 INFO  L87              Difference]: Start difference. First operand 5709 states and 8557 transitions. Second operand  has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:44,227 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 05:18:44,228 INFO  L93              Difference]: Finished difference Result 15429 states and 23128 transitions.
[2024-11-28 05:18:44,228 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-28 05:18:44,229 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 0 states have call successors, (0), 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 306
[2024-11-28 05:18:44,229 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 05:18:44,264 INFO  L225             Difference]: With dead ends: 15429
[2024-11-28 05:18:44,264 INFO  L226             Difference]: Without dead ends: 10050
[2024-11-28 05:18:44,272 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-28 05:18:44,272 INFO  L435           NwaCegarLoop]: 8538 mSDtfsCounter, 6708 mSDsluCounter, 25115 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6708 SdHoareTripleChecker+Valid, 33653 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 05:18:44,273 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6708 Valid, 33653 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 05:18:44,288 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10050 states.
[2024-11-28 05:18:44,420 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10050 to 5963.
[2024-11-28 05:18:44,430 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5963 states, 5962 states have (on average 1.4989936262998993) internal successors, (8937), 5962 states have internal predecessors, (8937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:44,456 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5963 states to 5963 states and 8937 transitions.
[2024-11-28 05:18:44,457 INFO  L78                 Accepts]: Start accepts. Automaton has 5963 states and 8937 transitions. Word has length 306
[2024-11-28 05:18:44,458 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 05:18:44,458 INFO  L471      AbstractCegarLoop]: Abstraction has 5963 states and 8937 transitions.
[2024-11-28 05:18:44,459 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:18:44,459 INFO  L276                IsEmpty]: Start isEmpty. Operand 5963 states and 8937 transitions.
[2024-11-28 05:18:44,625 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2992
[2024-11-28 05:18:44,625 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 05:18:44,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 05:18:44,628 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-28 05:18:44,628 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 05:18:44,630 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 05:18:44,632 INFO  L85        PathProgramCache]: Analyzing trace with hash -639490179, now seen corresponding path program 1 times
[2024-11-28 05:18:44,632 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 05:18:44,632 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857736464]
[2024-11-28 05:18:44,634 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 05:18:44,634 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 05:18:51,141 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 05:19:06,667 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 05:19:06,668 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 05:19:06,668 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857736464]
[2024-11-28 05:19:06,668 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857736464] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 05:19:06,668 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 05:19:06,669 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-28 05:19:06,669 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499588442]
[2024-11-28 05:19:06,669 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 05:19:06,673 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-28 05:19:06,675 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 05:19:06,680 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-28 05:19:06,681 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-28 05:19:06,682 INFO  L87              Difference]: Start difference. First operand 5963 states and 8937 transitions. Second operand  has 6 states, 6 states have (on average 498.5) internal successors, (2991), 6 states have internal predecessors, (2991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:07,753 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 05:19:07,753 INFO  L93              Difference]: Finished difference Result 22649 states and 33956 transitions.
[2024-11-28 05:19:07,754 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-28 05:19:07,755 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 498.5) internal successors, (2991), 6 states have internal predecessors, (2991), 0 states have call successors, (0), 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 2991
[2024-11-28 05:19:07,765 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 05:19:07,826 INFO  L225             Difference]: With dead ends: 22649
[2024-11-28 05:19:07,826 INFO  L226             Difference]: Without dead ends: 17270
[2024-11-28 05:19:07,840 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-28 05:19:07,842 INFO  L435           NwaCegarLoop]: 15043 mSDtfsCounter, 14830 mSDsluCounter, 53650 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14830 SdHoareTripleChecker+Valid, 68693 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 05:19:07,843 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14830 Valid, 68693 Invalid, 58 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 05:19:07,876 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17270 states.
[2024-11-28 05:19:08,370 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17270 to 9956.
[2024-11-28 05:19:08,383 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9956 states, 9955 states have (on average 1.499347061778001) internal successors, (14926), 9955 states have internal predecessors, (14926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:08,428 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 9956 states and 14926 transitions.
[2024-11-28 05:19:08,428 INFO  L78                 Accepts]: Start accepts. Automaton has 9956 states and 14926 transitions. Word has length 2991
[2024-11-28 05:19:08,435 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 05:19:08,435 INFO  L471      AbstractCegarLoop]: Abstraction has 9956 states and 14926 transitions.
[2024-11-28 05:19:08,436 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 498.5) internal successors, (2991), 6 states have internal predecessors, (2991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:08,436 INFO  L276                IsEmpty]: Start isEmpty. Operand 9956 states and 14926 transitions.
[2024-11-28 05:19:08,526 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2993
[2024-11-28 05:19:08,527 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 05:19:08,528 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 05:19:08,529 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-28 05:19:08,529 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 05:19:08,531 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 05:19:08,532 INFO  L85        PathProgramCache]: Analyzing trace with hash -1753043545, now seen corresponding path program 1 times
[2024-11-28 05:19:08,533 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 05:19:08,533 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449991020]
[2024-11-28 05:19:08,534 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 05:19:08,534 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 05:19:13,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 05:19:20,479 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 05:19:20,480 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 05:19:20,480 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449991020]
[2024-11-28 05:19:20,480 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449991020] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 05:19:20,480 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 05:19:20,480 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-28 05:19:20,480 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449761559]
[2024-11-28 05:19:20,481 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 05:19:20,485 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-28 05:19:20,485 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 05:19:20,489 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-28 05:19:20,489 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-28 05:19:20,492 INFO  L87              Difference]: Start difference. First operand 9956 states and 14926 transitions. Second operand  has 5 states, 5 states have (on average 598.4) internal successors, (2992), 5 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:20,783 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 05:19:20,785 INFO  L93              Difference]: Finished difference Result 19584 states and 29361 transitions.
[2024-11-28 05:19:20,786 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 05:19:20,787 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 598.4) internal successors, (2992), 5 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2992
[2024-11-28 05:19:20,791 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 05:19:20,815 INFO  L225             Difference]: With dead ends: 19584
[2024-11-28 05:19:20,816 INFO  L226             Difference]: Without dead ends: 9958
[2024-11-28 05:19:20,828 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-28 05:19:20,830 INFO  L435           NwaCegarLoop]: 8543 mSDtfsCounter, 0 mSDsluCounter, 17070 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25613 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 05:19:20,830 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25613 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 05:19:20,849 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9958 states.
[2024-11-28 05:19:21,146 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9958 to 9958.
[2024-11-28 05:19:21,158 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9958 states, 9957 states have (on average 1.4992467610726121) internal successors, (14928), 9957 states have internal predecessors, (14928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:21,189 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 14928 transitions.
[2024-11-28 05:19:21,189 INFO  L78                 Accepts]: Start accepts. Automaton has 9958 states and 14928 transitions. Word has length 2992
[2024-11-28 05:19:21,191 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 05:19:21,192 INFO  L471      AbstractCegarLoop]: Abstraction has 9958 states and 14928 transitions.
[2024-11-28 05:19:21,193 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 598.4) internal successors, (2992), 5 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:21,193 INFO  L276                IsEmpty]: Start isEmpty. Operand 9958 states and 14928 transitions.
[2024-11-28 05:19:21,282 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2994
[2024-11-28 05:19:21,282 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 05:19:21,285 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 05:19:21,285 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-28 05:19:21,286 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 05:19:21,287 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 05:19:21,289 INFO  L85        PathProgramCache]: Analyzing trace with hash 1222380758, now seen corresponding path program 1 times
[2024-11-28 05:19:21,289 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 05:19:21,289 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697931350]
[2024-11-28 05:19:21,290 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 05:19:21,290 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 05:19:25,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 05:19:35,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 05:19:35,650 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 05:19:35,650 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697931350]
[2024-11-28 05:19:35,650 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697931350] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 05:19:35,650 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 05:19:35,651 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-28 05:19:35,651 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997341979]
[2024-11-28 05:19:35,651 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 05:19:35,655 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-28 05:19:35,655 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 05:19:35,658 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-28 05:19:35,658 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-28 05:19:35,659 INFO  L87              Difference]: Start difference. First operand 9958 states and 14928 transitions. Second operand  has 6 states, 6 states have (on average 498.8333333333333) internal successors, (2993), 6 states have internal predecessors, (2993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:36,483 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 05:19:36,483 INFO  L93              Difference]: Finished difference Result 41020 states and 61503 transitions.
[2024-11-28 05:19:36,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-28 05:19:36,484 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 498.8333333333333) internal successors, (2993), 6 states have internal predecessors, (2993), 0 states have call successors, (0), 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 2993
[2024-11-28 05:19:36,490 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 05:19:36,554 INFO  L225             Difference]: With dead ends: 41020
[2024-11-28 05:19:36,555 INFO  L226             Difference]: Without dead ends: 31392
[2024-11-28 05:19:36,569 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-28 05:19:36,570 INFO  L435           NwaCegarLoop]: 14947 mSDtfsCounter, 14866 mSDsluCounter, 53362 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14866 SdHoareTripleChecker+Valid, 68309 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 05:19:36,571 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14866 Valid, 68309 Invalid, 58 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 05:19:36,607 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31392 states.
[2024-11-28 05:19:36,840 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31392 to 10050.
[2024-11-28 05:19:36,856 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10050 states, 10049 states have (on average 1.4992536570803066) internal successors, (15066), 10049 states have internal predecessors, (15066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:36,879 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10050 states to 10050 states and 15066 transitions.
[2024-11-28 05:19:36,879 INFO  L78                 Accepts]: Start accepts. Automaton has 10050 states and 15066 transitions. Word has length 2993
[2024-11-28 05:19:36,884 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 05:19:36,885 INFO  L471      AbstractCegarLoop]: Abstraction has 10050 states and 15066 transitions.
[2024-11-28 05:19:36,886 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 498.8333333333333) internal successors, (2993), 6 states have internal predecessors, (2993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:36,886 INFO  L276                IsEmpty]: Start isEmpty. Operand 10050 states and 15066 transitions.
[2024-11-28 05:19:36,975 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2995
[2024-11-28 05:19:36,975 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 05:19:36,977 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 05:19:36,978 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-28 05:19:36,978 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 05:19:36,979 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 05:19:36,981 INFO  L85        PathProgramCache]: Analyzing trace with hash 887560033, now seen corresponding path program 1 times
[2024-11-28 05:19:36,981 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 05:19:36,981 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718207076]
[2024-11-28 05:19:36,982 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 05:19:36,982 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 05:19:41,700 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 05:19:48,613 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 05:19:48,613 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 05:19:48,614 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718207076]
[2024-11-28 05:19:48,614 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718207076] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 05:19:48,614 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 05:19:48,614 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 05:19:48,614 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269974276]
[2024-11-28 05:19:48,615 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 05:19:48,618 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 05:19:48,618 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 05:19:48,622 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 05:19:48,622 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 05:19:48,624 INFO  L87              Difference]: Start difference. First operand 10050 states and 15066 transitions. Second operand  has 4 states, 4 states have (on average 748.5) internal successors, (2994), 4 states have internal predecessors, (2994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:48,790 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 05:19:48,790 INFO  L93              Difference]: Finished difference Result 19772 states and 29641 transitions.
[2024-11-28 05:19:48,791 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 05:19:48,792 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 748.5) internal successors, (2994), 4 states have internal predecessors, (2994), 0 states have call successors, (0), 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 2994
[2024-11-28 05:19:48,794 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 05:19:48,821 INFO  L225             Difference]: With dead ends: 19772
[2024-11-28 05:19:48,821 INFO  L226             Difference]: Without dead ends: 10052
[2024-11-28 05:19:48,831 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 05:19:48,831 INFO  L435           NwaCegarLoop]: 8543 mSDtfsCounter, 0 mSDsluCounter, 17070 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25613 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 05:19:48,832 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25613 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 05:19:48,842 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10052 states.
[2024-11-28 05:19:48,983 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10052 to 10052.
[2024-11-28 05:19:48,997 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10052 states, 10051 states have (on average 1.4991543130036813) internal successors, (15068), 10051 states have internal predecessors, (15068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:49,018 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10052 states to 10052 states and 15068 transitions.
[2024-11-28 05:19:49,018 INFO  L78                 Accepts]: Start accepts. Automaton has 10052 states and 15068 transitions. Word has length 2994
[2024-11-28 05:19:49,019 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 05:19:49,019 INFO  L471      AbstractCegarLoop]: Abstraction has 10052 states and 15068 transitions.
[2024-11-28 05:19:49,021 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 748.5) internal successors, (2994), 4 states have internal predecessors, (2994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 05:19:49,021 INFO  L276                IsEmpty]: Start isEmpty. Operand 10052 states and 15068 transitions.
[2024-11-28 05:19:49,688 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2996
[2024-11-28 05:19:49,688 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 05:19:49,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-28 05:19:49,691 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-28 05:19:49,691 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 05:19:49,693 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 05:19:49,694 INFO  L85        PathProgramCache]: Analyzing trace with hash -690583473, now seen corresponding path program 1 times
[2024-11-28 05:19:49,695 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 05:19:49,695 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311863487]
[2024-11-28 05:19:49,696 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 05:19:49,696 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms