./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal39.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal39.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd --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 9be9d1012889168cba5d083919dc9122ea972900b2157ef287ce4983c89c600b
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 13:57:00,676 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-13 13:57:00,780 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-13 13:57:00,787 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 13:57:00,787 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 13:57:00,830 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 13:57:00,832 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 13:57:00,833 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 13:57:00,833 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 13:57:00,834 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-13 13:57:00,835 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 13:57:00,835 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 13:57:00,836 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 13:57:00,836 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-13 13:57:00,836 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-13 13:57:00,836 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 13:57:00,836 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-13 13:57:00,836 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-13 13:57:00,837 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-13 13:57:00,837 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 13:57:00,837 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 13:57:00,837 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 13:57:00,837 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-13 13:57:00,837 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-13 13:57:00,837 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-13 13:57:00,837 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 13:57:00,837 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-13 13:57:00,838 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 13:57:00,838 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-13 13:57:00,838 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 13:57:00,838 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 13:57:00,838 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 13:57:00,838 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 13:57:00,838 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-13 13:57:00,838 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 13:57:00,840 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 13:57:00,840 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 13:57:00,840 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 13:57:00,840 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 13:57:00,840 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_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd
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 -> 9be9d1012889168cba5d083919dc9122ea972900b2157ef287ce4983c89c600b
[2024-11-13 13:57:01,217 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 13:57:01,231 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 13:57:01,234 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 13:57:01,236 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-13 13:57:01,236 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-13 13:57:01,238 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal39.c
Unable to find full path for "g++"
[2024-11-13 13:57:03,192 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-13 13:57:03,800 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-13 13:57:03,801 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal39.c
[2024-11-13 13:57:03,826 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/data/4fcb395db/4c3b0d34d1344c25937eea830bd645c7/FLAG4dad7c4e2
[2024-11-13 13:57:03,844 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/data/4fcb395db/4c3b0d34d1344c25937eea830bd645c7
[2024-11-13 13:57:03,847 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 13:57:03,849 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 13:57:03,851 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 13:57:03,851 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 13:57:03,857 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 13:57:03,858 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:57:03" (1/1) ...
[2024-11-13 13:57:03,859 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cb351f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:03, skipping insertion in model container
[2024-11-13 13:57:03,859 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:57:03" (1/1) ...
[2024-11-13 13:57:03,977 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-13 13:57:04,266 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_3f87cb47-d514-417a-b7bb-d17bb051e6be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal39.c[1245,1258]
[2024-11-13 13:57:05,335 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 13:57:05,347 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-13 13:57:05,359 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_3f87cb47-d514-417a-b7bb-d17bb051e6be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal39.c[1245,1258]
[2024-11-13 13:57:05,852 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 13:57:05,869 INFO  L204         MainTranslator]: Completed translation
[2024-11-13 13:57:05,870 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05 WrapperNode
[2024-11-13 13:57:05,871 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 13:57:05,873 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 13:57:05,873 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 13:57:05,873 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 13:57:05,880 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:06,066 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:07,353 INFO  L138                Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13112
[2024-11-13 13:57:07,354 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 13:57:07,355 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 13:57:07,355 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 13:57:07,355 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 13:57:07,367 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:07,369 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:07,705 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:07,989 INFO  L175           MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0].
[2024-11-13 13:57:07,990 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:07,991 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:08,485 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:08,559 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:08,628 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:08,664 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:08,884 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 13:57:08,885 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 13:57:08,885 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 13:57:08,885 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-13 13:57:08,886 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (1/1) ...
[2024-11-13 13:57:08,894 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 13:57:08,910 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 13:57:08,928 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 13:57:08,934 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f87cb47-d514-417a-b7bb-d17bb051e6be/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 13:57:08,967 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 13:57:08,967 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 13:57:08,968 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-13 13:57:08,968 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 13:57:08,968 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 13:57:10,048 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-13 13:57:10,050 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 13:57:37,098 INFO  L?                        ?]: Removed 7110 outVars from TransFormulas that were not future-live.
[2024-11-13 13:57:37,099 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-13 13:57:37,217 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 13:57:37,221 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 13:57:37,221 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:57:37 BoogieIcfgContainer
[2024-11-13 13:57:37,221 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 13:57:37,224 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 13:57:37,227 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 13:57:37,235 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-13 13:57:37,235 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:57:03" (1/3) ...
[2024-11-13 13:57:37,236 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58802217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:57:37, skipping insertion in model container
[2024-11-13 13:57:37,236 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:05" (2/3) ...
[2024-11-13 13:57:37,237 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58802217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:57:37, skipping insertion in model container
[2024-11-13 13:57:37,237 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:57:37" (3/3) ...
[2024-11-13 13:57:37,240 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal39.c
[2024-11-13 13:57:37,261 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 13:57:37,263 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cal39.c that has 1 procedures, 4300 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 13:57:37,448 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 13:57:37,465 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;@f66fcaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 13:57:37,468 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 13:57:37,491 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4300 states, 4298 states have (on average 1.5) internal successors, (6447), 4299 states have internal predecessors, (6447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:57:37,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1962
[2024-11-13 13:57:37,711 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:57:37,713 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:57:37,714 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:57:37,722 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:57:37,724 INFO  L85        PathProgramCache]: Analyzing trace with hash 562286779, now seen corresponding path program 1 times
[2024-11-13 13:57:37,736 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:57:37,736 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429067911]
[2024-11-13 13:57:37,738 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:57:37,739 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:57:40,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 13:57:53,246 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 13:57:53,249 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 13:57:53,249 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429067911]
[2024-11-13 13:57:53,250 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429067911] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 13:57:53,250 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 13:57:53,250 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 13:57:53,252 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864609047]
[2024-11-13 13:57:53,252 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 13:57:53,264 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 13:57:53,267 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 13:57:53,297 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 13:57:53,298 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 13:57:53,310 INFO  L87              Difference]: Start difference. First operand  has 4300 states, 4298 states have (on average 1.5) internal successors, (6447), 4299 states have internal predecessors, (6447), 0 states have call successors, (0), 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 490.25) internal successors, (1961), 4 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:57:53,692 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 13:57:53,694 INFO  L93              Difference]: Finished difference Result 8501 states and 12749 transitions.
[2024-11-13 13:57:53,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 13:57:53,698 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 490.25) internal successors, (1961), 4 states have internal predecessors, (1961), 0 states have call successors, (0), 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 1961
[2024-11-13 13:57:53,709 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 13:57:53,749 INFO  L225             Difference]: With dead ends: 8501
[2024-11-13 13:57:53,749 INFO  L226             Difference]: Without dead ends: 4299
[2024-11-13 13:57:53,762 INFO  L431           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
[2024-11-13 13:57:53,770 INFO  L432           NwaCegarLoop]: 6441 mSDtfsCounter, 0 mSDsluCounter, 12876 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19317 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 13:57:53,771 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19317 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 13:57:53,799 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4299 states.
[2024-11-13 13:57:53,954 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 4299.
[2024-11-13 13:57:53,964 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4299 states, 4298 states have (on average 1.4995346672871104) internal successors, (6445), 4298 states have internal predecessors, (6445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:57:53,986 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 6445 transitions.
[2024-11-13 13:57:53,988 INFO  L78                 Accepts]: Start accepts. Automaton has 4299 states and 6445 transitions. Word has length 1961
[2024-11-13 13:57:53,996 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 13:57:53,996 INFO  L471      AbstractCegarLoop]: Abstraction has 4299 states and 6445 transitions.
[2024-11-13 13:57:53,998 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 490.25) internal successors, (1961), 4 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:57:53,998 INFO  L276                IsEmpty]: Start isEmpty. Operand 4299 states and 6445 transitions.
[2024-11-13 13:57:54,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1963
[2024-11-13 13:57:54,177 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:57:54,178 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:57:54,179 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 13:57:54,180 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:57:54,181 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:57:54,183 INFO  L85        PathProgramCache]: Analyzing trace with hash 252728842, now seen corresponding path program 1 times
[2024-11-13 13:57:54,183 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:57:54,184 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364551595]
[2024-11-13 13:57:54,184 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:57:54,185 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:57:55,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 13:58:01,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 13:58:01,378 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 13:58:01,378 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364551595]
[2024-11-13 13:58:01,378 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364551595] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 13:58:01,378 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 13:58:01,379 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 13:58:01,379 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274999146]
[2024-11-13 13:58:01,379 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 13:58:01,385 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-13 13:58:01,385 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 13:58:01,389 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-13 13:58:01,389 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-13 13:58:01,391 INFO  L87              Difference]: Start difference. First operand 4299 states and 6445 transitions. Second operand  has 5 states, 5 states have (on average 392.4) internal successors, (1962), 5 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:02,742 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 13:58:02,742 INFO  L93              Difference]: Finished difference Result 12601 states and 18895 transitions.
[2024-11-13 13:58:02,743 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-13 13:58:02,744 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 392.4) internal successors, (1962), 5 states have internal predecessors, (1962), 0 states have call successors, (0), 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 1962
[2024-11-13 13:58:02,750 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 13:58:02,764 INFO  L225             Difference]: With dead ends: 12601
[2024-11-13 13:58:02,764 INFO  L226             Difference]: Without dead ends: 4299
[2024-11-13 13:58:02,770 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-13 13:58:02,773 INFO  L432           NwaCegarLoop]: 11418 mSDtfsCounter, 11643 mSDsluCounter, 17589 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11643 SdHoareTripleChecker+Valid, 29007 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 13:58:02,773 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11643 Valid, 29007 Invalid, 469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [47 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 13:58:02,782 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4299 states.
[2024-11-13 13:58:02,861 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 4299.
[2024-11-13 13:58:02,869 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4299 states, 4298 states have (on average 1.4993020009306655) internal successors, (6444), 4298 states have internal predecessors, (6444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:02,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 6444 transitions.
[2024-11-13 13:58:02,889 INFO  L78                 Accepts]: Start accepts. Automaton has 4299 states and 6444 transitions. Word has length 1962
[2024-11-13 13:58:02,893 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 13:58:02,893 INFO  L471      AbstractCegarLoop]: Abstraction has 4299 states and 6444 transitions.
[2024-11-13 13:58:02,894 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 392.4) internal successors, (1962), 5 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:02,894 INFO  L276                IsEmpty]: Start isEmpty. Operand 4299 states and 6444 transitions.
[2024-11-13 13:58:02,929 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1964
[2024-11-13 13:58:02,929 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:58:02,930 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:58:02,930 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 13:58:02,931 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:58:02,935 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:58:02,940 INFO  L85        PathProgramCache]: Analyzing trace with hash 1143939025, now seen corresponding path program 1 times
[2024-11-13 13:58:02,940 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:58:02,940 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178009874]
[2024-11-13 13:58:02,941 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:58:02,941 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:58:04,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 13:58:08,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 13:58:08,682 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 13:58:08,682 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178009874]
[2024-11-13 13:58:08,683 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178009874] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 13:58:08,683 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 13:58:08,684 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 13:58:08,684 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870177599]
[2024-11-13 13:58:08,684 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 13:58:08,686 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-13 13:58:08,687 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 13:58:08,690 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-13 13:58:08,690 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 13:58:08,692 INFO  L87              Difference]: Start difference. First operand 4299 states and 6444 transitions. Second operand  has 5 states, 5 states have (on average 392.6) internal successors, (1963), 5 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:09,498 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 13:58:09,499 INFO  L93              Difference]: Finished difference Result 8500 states and 12742 transitions.
[2024-11-13 13:58:09,499 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 13:58:09,501 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 392.6) internal successors, (1963), 5 states have internal predecessors, (1963), 0 states have call successors, (0), 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 1963
[2024-11-13 13:58:09,504 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 13:58:09,519 INFO  L225             Difference]: With dead ends: 8500
[2024-11-13 13:58:09,519 INFO  L226             Difference]: Without dead ends: 4299
[2024-11-13 13:58:09,523 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-13 13:58:09,527 INFO  L432           NwaCegarLoop]: 6173 mSDtfsCounter, 11087 mSDsluCounter, 6172 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11087 SdHoareTripleChecker+Valid, 12345 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 13:58:09,529 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11087 Valid, 12345 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 13:58:09,536 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4299 states.
[2024-11-13 13:58:09,610 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 4299.
[2024-11-13 13:58:09,620 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4299 states, 4298 states have (on average 1.4990693345742205) internal successors, (6443), 4298 states have internal predecessors, (6443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:09,640 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 6443 transitions.
[2024-11-13 13:58:09,641 INFO  L78                 Accepts]: Start accepts. Automaton has 4299 states and 6443 transitions. Word has length 1963
[2024-11-13 13:58:09,645 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 13:58:09,645 INFO  L471      AbstractCegarLoop]: Abstraction has 4299 states and 6443 transitions.
[2024-11-13 13:58:09,650 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 392.6) internal successors, (1963), 5 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:09,650 INFO  L276                IsEmpty]: Start isEmpty. Operand 4299 states and 6443 transitions.
[2024-11-13 13:58:09,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1965
[2024-11-13 13:58:09,689 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:58:09,691 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:58:09,692 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-13 13:58:09,692 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:58:09,692 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:58:09,693 INFO  L85        PathProgramCache]: Analyzing trace with hash -763768511, now seen corresponding path program 1 times
[2024-11-13 13:58:09,693 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:58:09,693 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166621297]
[2024-11-13 13:58:09,694 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:58:09,694 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:58:11,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 13:58:15,062 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 13:58:15,063 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 13:58:15,063 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166621297]
[2024-11-13 13:58:15,063 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166621297] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 13:58:15,063 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 13:58:15,063 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 13:58:15,063 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443615532]
[2024-11-13 13:58:15,063 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 13:58:15,066 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 13:58:15,066 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 13:58:15,068 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 13:58:15,068 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 13:58:15,069 INFO  L87              Difference]: Start difference. First operand 4299 states and 6443 transitions. Second operand  has 4 states, 4 states have (on average 491.0) internal successors, (1964), 4 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:15,189 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 13:58:15,189 INFO  L93              Difference]: Finished difference Result 8502 states and 12743 transitions.
[2024-11-13 13:58:15,190 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 13:58:15,192 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 491.0) internal successors, (1964), 4 states have internal predecessors, (1964), 0 states have call successors, (0), 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 1964
[2024-11-13 13:58:15,195 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 13:58:15,209 INFO  L225             Difference]: With dead ends: 8502
[2024-11-13 13:58:15,209 INFO  L226             Difference]: Without dead ends: 4301
[2024-11-13 13:58:15,214 INFO  L431           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
[2024-11-13 13:58:15,215 INFO  L432           NwaCegarLoop]: 6439 mSDtfsCounter, 0 mSDsluCounter, 12868 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19307 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 13:58:15,215 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19307 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 13:58:15,222 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4301 states.
[2024-11-13 13:58:15,293 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4301 to 4301.
[2024-11-13 13:58:15,300 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4301 states, 4300 states have (on average 1.4988372093023257) internal successors, (6445), 4300 states have internal predecessors, (6445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:15,309 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 6445 transitions.
[2024-11-13 13:58:15,310 INFO  L78                 Accepts]: Start accepts. Automaton has 4301 states and 6445 transitions. Word has length 1964
[2024-11-13 13:58:15,313 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 13:58:15,313 INFO  L471      AbstractCegarLoop]: Abstraction has 4301 states and 6445 transitions.
[2024-11-13 13:58:15,314 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 491.0) internal successors, (1964), 4 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:15,314 INFO  L276                IsEmpty]: Start isEmpty. Operand 4301 states and 6445 transitions.
[2024-11-13 13:58:15,347 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1966
[2024-11-13 13:58:15,347 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:58:15,348 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:58:15,348 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-13 13:58:15,348 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:58:15,349 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:58:15,350 INFO  L85        PathProgramCache]: Analyzing trace with hash 995026717, now seen corresponding path program 1 times
[2024-11-13 13:58:15,350 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:58:15,350 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663044527]
[2024-11-13 13:58:15,350 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:58:15,351 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:58:24,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 13:58:31,900 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 13:58:31,900 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 13:58:31,900 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663044527]
[2024-11-13 13:58:31,900 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663044527] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 13:58:31,900 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 13:58:31,901 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 13:58:31,901 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317664755]
[2024-11-13 13:58:31,901 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 13:58:31,904 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 13:58:31,905 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 13:58:31,907 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 13:58:31,907 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 13:58:31,909 INFO  L87              Difference]: Start difference. First operand 4301 states and 6445 transitions. Second operand  has 4 states, 4 states have (on average 491.25) internal successors, (1965), 4 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:32,669 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 13:58:32,669 INFO  L93              Difference]: Finished difference Result 11865 states and 17786 transitions.
[2024-11-13 13:58:32,669 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 13:58:32,670 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 491.25) internal successors, (1965), 4 states have internal predecessors, (1965), 0 states have call successors, (0), 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 1965
[2024-11-13 13:58:32,674 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 13:58:32,689 INFO  L225             Difference]: With dead ends: 11865
[2024-11-13 13:58:32,689 INFO  L226             Difference]: Without dead ends: 4301
[2024-11-13 13:58:32,697 INFO  L431           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
[2024-11-13 13:58:32,699 INFO  L432           NwaCegarLoop]: 6406 mSDtfsCounter, 3304 mSDsluCounter, 12590 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3304 SdHoareTripleChecker+Valid, 18996 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 13:58:32,699 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3304 Valid, 18996 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 13:58:32,709 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4301 states.
[2024-11-13 13:58:32,792 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4301 to 4301.
[2024-11-13 13:58:32,798 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4301 states, 4300 states have (on average 1.4986046511627906) internal successors, (6444), 4300 states have internal predecessors, (6444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:32,808 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 6444 transitions.
[2024-11-13 13:58:32,809 INFO  L78                 Accepts]: Start accepts. Automaton has 4301 states and 6444 transitions. Word has length 1965
[2024-11-13 13:58:32,809 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 13:58:32,810 INFO  L471      AbstractCegarLoop]: Abstraction has 4301 states and 6444 transitions.
[2024-11-13 13:58:32,810 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 491.25) internal successors, (1965), 4 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:32,810 INFO  L276                IsEmpty]: Start isEmpty. Operand 4301 states and 6444 transitions.
[2024-11-13 13:58:32,873 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1967
[2024-11-13 13:58:32,874 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:58:32,875 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:58:32,875 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-13 13:58:32,876 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:58:32,876 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:58:32,877 INFO  L85        PathProgramCache]: Analyzing trace with hash -775312762, now seen corresponding path program 1 times
[2024-11-13 13:58:32,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:58:32,877 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785580266]
[2024-11-13 13:58:32,878 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:58:32,878 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:58:47,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 13:58:50,721 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 13:58:50,721 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 13:58:50,721 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785580266]
[2024-11-13 13:58:50,722 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785580266] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 13:58:50,722 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 13:58:50,722 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-13 13:58:50,722 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126097524]
[2024-11-13 13:58:50,722 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 13:58:50,724 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 13:58:50,724 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 13:58:50,726 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 13:58:50,726 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-13 13:58:50,727 INFO  L87              Difference]: Start difference. First operand 4301 states and 6444 transitions. Second operand  has 6 states, 6 states have (on average 327.6666666666667) internal successors, (1966), 6 states have internal predecessors, (1966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:52,128 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 13:58:52,128 INFO  L93              Difference]: Finished difference Result 12697 states and 19024 transitions.
[2024-11-13 13:58:52,129 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-13 13:58:52,129 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 327.6666666666667) internal successors, (1966), 6 states have internal predecessors, (1966), 0 states have call successors, (0), 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 1966
[2024-11-13 13:58:52,129 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 13:58:52,149 INFO  L225             Difference]: With dead ends: 12697
[2024-11-13 13:58:52,149 INFO  L226             Difference]: Without dead ends: 8494
[2024-11-13 13:58:52,155 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-13 13:58:52,155 INFO  L432           NwaCegarLoop]: 6222 mSDtfsCounter, 6255 mSDsluCounter, 24989 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6255 SdHoareTripleChecker+Valid, 31211 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-13 13:58:52,156 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6255 Valid, 31211 Invalid, 1013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-13 13:58:52,167 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8494 states.
[2024-11-13 13:58:52,243 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8494 to 4343.
[2024-11-13 13:58:52,249 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4343 states, 4342 states have (on average 1.4981575310916628) internal successors, (6505), 4342 states have internal predecessors, (6505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:52,257 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4343 states to 4343 states and 6505 transitions.
[2024-11-13 13:58:52,257 INFO  L78                 Accepts]: Start accepts. Automaton has 4343 states and 6505 transitions. Word has length 1966
[2024-11-13 13:58:52,258 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 13:58:52,260 INFO  L471      AbstractCegarLoop]: Abstraction has 4343 states and 6505 transitions.
[2024-11-13 13:58:52,261 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 327.6666666666667) internal successors, (1966), 6 states have internal predecessors, (1966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:52,261 INFO  L276                IsEmpty]: Start isEmpty. Operand 4343 states and 6505 transitions.
[2024-11-13 13:58:52,293 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1968
[2024-11-13 13:58:52,294 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:58:52,295 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:58:52,295 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-13 13:58:52,295 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:58:52,296 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:58:52,296 INFO  L85        PathProgramCache]: Analyzing trace with hash -382764198, now seen corresponding path program 1 times
[2024-11-13 13:58:52,297 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:58:52,297 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764613526]
[2024-11-13 13:58:52,297 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:58:52,298 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:58:53,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 13:58:58,623 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 13:58:58,623 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 13:58:58,623 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764613526]
[2024-11-13 13:58:58,624 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764613526] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 13:58:58,624 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 13:58:58,624 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-13 13:58:58,624 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555199158]
[2024-11-13 13:58:58,624 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 13:58:58,626 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 13:58:58,626 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 13:58:58,628 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 13:58:58,628 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-13 13:58:58,629 INFO  L87              Difference]: Start difference. First operand 4343 states and 6505 transitions. Second operand  has 6 states, 6 states have (on average 327.8333333333333) internal successors, (1967), 6 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:58,906 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 13:58:58,906 INFO  L93              Difference]: Finished difference Result 12699 states and 19025 transitions.
[2024-11-13 13:58:58,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-13 13:58:58,907 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 327.8333333333333) internal successors, (1967), 6 states have internal predecessors, (1967), 0 states have call successors, (0), 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 1967
[2024-11-13 13:58:58,909 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 13:58:58,927 INFO  L225             Difference]: With dead ends: 12699
[2024-11-13 13:58:58,927 INFO  L226             Difference]: Without dead ends: 8454
[2024-11-13 13:58:58,933 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-13 13:58:58,934 INFO  L432           NwaCegarLoop]: 7782 mSDtfsCounter, 9129 mSDsluCounter, 21970 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9129 SdHoareTripleChecker+Valid, 29752 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 13:58:58,934 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [9129 Valid, 29752 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 13:58:58,944 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8454 states.
[2024-11-13 13:58:59,065 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8454 to 7532.
[2024-11-13 13:58:59,075 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7532 states, 7531 states have (on average 1.4990041163192138) internal successors, (11289), 7531 states have internal predecessors, (11289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:59,087 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7532 states to 7532 states and 11289 transitions.
[2024-11-13 13:58:59,088 INFO  L78                 Accepts]: Start accepts. Automaton has 7532 states and 11289 transitions. Word has length 1967
[2024-11-13 13:58:59,089 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 13:58:59,089 INFO  L471      AbstractCegarLoop]: Abstraction has 7532 states and 11289 transitions.
[2024-11-13 13:58:59,090 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 327.8333333333333) internal successors, (1967), 6 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:58:59,090 INFO  L276                IsEmpty]: Start isEmpty. Operand 7532 states and 11289 transitions.
[2024-11-13 13:58:59,128 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1968
[2024-11-13 13:58:59,128 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:58:59,130 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:58:59,130 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-13 13:58:59,130 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:58:59,130 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:58:59,131 INFO  L85        PathProgramCache]: Analyzing trace with hash -1351359341, now seen corresponding path program 1 times
[2024-11-13 13:58:59,131 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:58:59,132 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751895863]
[2024-11-13 13:58:59,132 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:58:59,132 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:59:12,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 13:59:29,703 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 13:59:29,703 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 13:59:29,704 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751895863]
[2024-11-13 13:59:29,704 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751895863] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 13:59:29,704 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 13:59:29,704 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-11-13 13:59:29,704 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771703130]
[2024-11-13 13:59:29,704 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 13:59:29,706 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-13 13:59:29,706 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 13:59:29,708 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-13 13:59:29,708 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2024-11-13 13:59:29,709 INFO  L87              Difference]: Start difference. First operand 7532 states and 11289 transitions. Second operand  has 11 states, 11 states have (on average 178.8181818181818) internal successors, (1967), 11 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:59:33,873 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 13:59:33,873 INFO  L93              Difference]: Finished difference Result 15044 states and 22546 transitions.
[2024-11-13 13:59:33,873 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-13 13:59:33,874 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 178.8181818181818) internal successors, (1967), 11 states have internal predecessors, (1967), 0 states have call successors, (0), 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 1967
[2024-11-13 13:59:33,875 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 13:59:33,889 INFO  L225             Difference]: With dead ends: 15044
[2024-11-13 13:59:33,890 INFO  L226             Difference]: Without dead ends: 7610
[2024-11-13 13:59:33,897 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272
[2024-11-13 13:59:33,897 INFO  L432           NwaCegarLoop]: 5731 mSDtfsCounter, 6472 mSDsluCounter, 45835 mSDsCounter, 0 mSdLazyCounter, 6392 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6472 SdHoareTripleChecker+Valid, 51566 SdHoareTripleChecker+Invalid, 6394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time
[2024-11-13 13:59:33,898 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6472 Valid, 51566 Invalid, 6394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 6392 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time]
[2024-11-13 13:59:33,906 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7610 states.
[2024-11-13 13:59:34,021 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7610 to 7600.
[2024-11-13 13:59:34,032 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7600 states, 7599 states have (on average 1.4984866429793393) internal successors, (11387), 7599 states have internal predecessors, (11387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:59:34,044 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7600 states to 7600 states and 11387 transitions.
[2024-11-13 13:59:34,044 INFO  L78                 Accepts]: Start accepts. Automaton has 7600 states and 11387 transitions. Word has length 1967
[2024-11-13 13:59:34,044 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 13:59:34,045 INFO  L471      AbstractCegarLoop]: Abstraction has 7600 states and 11387 transitions.
[2024-11-13 13:59:34,045 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 178.8181818181818) internal successors, (1967), 11 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:59:34,045 INFO  L276                IsEmpty]: Start isEmpty. Operand 7600 states and 11387 transitions.
[2024-11-13 13:59:34,082 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1969
[2024-11-13 13:59:34,082 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:59:34,083 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:59:34,083 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-13 13:59:34,084 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:59:34,084 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:59:34,085 INFO  L85        PathProgramCache]: Analyzing trace with hash 995862914, now seen corresponding path program 1 times
[2024-11-13 13:59:34,085 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:59:34,085 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952116806]
[2024-11-13 13:59:34,086 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:59:34,086 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:59:41,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 13:59:46,993 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 13:59:46,994 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 13:59:46,994 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952116806]
[2024-11-13 13:59:46,994 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952116806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 13:59:46,994 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 13:59:46,995 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 13:59:46,995 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841836058]
[2024-11-13 13:59:46,995 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 13:59:46,996 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 13:59:46,996 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 13:59:46,997 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 13:59:46,997 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 13:59:46,998 INFO  L87              Difference]: Start difference. First operand 7600 states and 11387 transitions. Second operand  has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:59:47,084 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 13:59:47,084 INFO  L93              Difference]: Finished difference Result 15102 states and 22628 transitions.
[2024-11-13 13:59:47,085 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 13:59:47,086 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 0 states have call successors, (0), 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 1968
[2024-11-13 13:59:47,086 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 13:59:47,097 INFO  L225             Difference]: With dead ends: 15102
[2024-11-13 13:59:47,097 INFO  L226             Difference]: Without dead ends: 7600
[2024-11-13 13:59:47,104 INFO  L431           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
[2024-11-13 13:59:47,105 INFO  L432           NwaCegarLoop]: 6435 mSDtfsCounter, 11 mSDsluCounter, 12848 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 19283 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 13:59:47,105 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 19283 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 13:59:47,113 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7600 states.
[2024-11-13 13:59:47,203 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 7600.
[2024-11-13 13:59:47,213 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7600 states, 7599 states have (on average 1.498223450454007) internal successors, (11385), 7599 states have internal predecessors, (11385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:59:47,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7600 states to 7600 states and 11385 transitions.
[2024-11-13 13:59:47,224 INFO  L78                 Accepts]: Start accepts. Automaton has 7600 states and 11385 transitions. Word has length 1968
[2024-11-13 13:59:47,224 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 13:59:47,224 INFO  L471      AbstractCegarLoop]: Abstraction has 7600 states and 11385 transitions.
[2024-11-13 13:59:47,225 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:59:47,225 INFO  L276                IsEmpty]: Start isEmpty. Operand 7600 states and 11385 transitions.
[2024-11-13 13:59:47,257 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1970
[2024-11-13 13:59:47,258 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:59:47,259 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:59:47,259 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-13 13:59:47,259 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:59:47,260 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:59:47,261 INFO  L85        PathProgramCache]: Analyzing trace with hash 412442796, now seen corresponding path program 1 times
[2024-11-13 13:59:47,261 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:59:47,261 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938391229]
[2024-11-13 13:59:47,261 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:59:47,261 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:59:48,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 13:59:53,489 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 13:59:53,490 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 13:59:53,490 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938391229]
[2024-11-13 13:59:53,490 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938391229] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 13:59:53,490 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 13:59:53,490 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 13:59:53,490 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634002086]
[2024-11-13 13:59:53,490 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 13:59:53,493 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-13 13:59:53,493 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 13:59:53,494 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-13 13:59:53,494 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-13 13:59:53,494 INFO  L87              Difference]: Start difference. First operand 7600 states and 11385 transitions. Second operand  has 5 states, 5 states have (on average 393.8) internal successors, (1969), 5 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:59:53,603 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 13:59:53,603 INFO  L93              Difference]: Finished difference Result 15110 states and 22634 transitions.
[2024-11-13 13:59:53,604 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-13 13:59:53,605 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 393.8) internal successors, (1969), 5 states have internal predecessors, (1969), 0 states have call successors, (0), 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 1969
[2024-11-13 13:59:53,605 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 13:59:53,616 INFO  L225             Difference]: With dead ends: 15110
[2024-11-13 13:59:53,616 INFO  L226             Difference]: Without dead ends: 7608
[2024-11-13 13:59:53,623 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-13 13:59:53,624 INFO  L432           NwaCegarLoop]: 6432 mSDtfsCounter, 2 mSDsluCounter, 19286 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25718 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 13:59:53,624 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25718 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 13:59:53,632 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7608 states.
[2024-11-13 13:59:53,723 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7608 to 7606.
[2024-11-13 13:59:53,734 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7606 states, 7605 states have (on average 1.4978303747534516) internal successors, (11391), 7605 states have internal predecessors, (11391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:59:53,745 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7606 states to 7606 states and 11391 transitions.
[2024-11-13 13:59:53,746 INFO  L78                 Accepts]: Start accepts. Automaton has 7606 states and 11391 transitions. Word has length 1969
[2024-11-13 13:59:53,746 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 13:59:53,746 INFO  L471      AbstractCegarLoop]: Abstraction has 7606 states and 11391 transitions.
[2024-11-13 13:59:53,747 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 393.8) internal successors, (1969), 5 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:59:53,747 INFO  L276                IsEmpty]: Start isEmpty. Operand 7606 states and 11391 transitions.
[2024-11-13 13:59:53,859 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1970
[2024-11-13 13:59:53,859 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:59:53,860 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 13:59:53,860 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-13 13:59:53,861 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:59:53,861 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:59:53,862 INFO  L85        PathProgramCache]: Analyzing trace with hash -1647492831, now seen corresponding path program 1 times
[2024-11-13 13:59:53,862 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:59:53,863 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975483606]
[2024-11-13 13:59:53,863 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:59:53,863 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:00:06,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:00:12,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:00:12,357 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:00:12,357 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975483606]
[2024-11-13 14:00:12,357 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975483606] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:00:12,357 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:00:12,358 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-13 14:00:12,358 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808344005]
[2024-11-13 14:00:12,358 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:00:12,359 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 14:00:12,359 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:00:12,361 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 14:00:12,361 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:00:12,362 INFO  L87              Difference]: Start difference. First operand 7606 states and 11391 transitions. Second operand  has 6 states, 6 states have (on average 328.1666666666667) internal successors, (1969), 6 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:00:13,184 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:00:13,184 INFO  L93              Difference]: Finished difference Result 11925 states and 17852 transitions.
[2024-11-13 14:00:13,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-13 14:00:13,185 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 328.1666666666667) internal successors, (1969), 6 states have internal predecessors, (1969), 0 states have call successors, (0), 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 1969
[2024-11-13 14:00:13,185 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:00:13,191 INFO  L225             Difference]: With dead ends: 11925
[2024-11-13 14:00:13,191 INFO  L226             Difference]: Without dead ends: 4417
[2024-11-13 14:00:13,196 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:00:13,197 INFO  L432           NwaCegarLoop]: 6180 mSDtfsCounter, 6357 mSDsluCounter, 12474 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6357 SdHoareTripleChecker+Valid, 18654 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:00:13,197 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6357 Valid, 18654 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:00:13,203 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4417 states.
[2024-11-13 14:00:13,249 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 4344.
[2024-11-13 14:00:13,256 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4344 states, 4343 states have (on average 1.4971218052037762) internal successors, (6502), 4343 states have internal predecessors, (6502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:00:13,263 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 6502 transitions.
[2024-11-13 14:00:13,263 INFO  L78                 Accepts]: Start accepts. Automaton has 4344 states and 6502 transitions. Word has length 1969
[2024-11-13 14:00:13,264 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:00:13,264 INFO  L471      AbstractCegarLoop]: Abstraction has 4344 states and 6502 transitions.
[2024-11-13 14:00:13,265 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 328.1666666666667) internal successors, (1969), 6 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:00:13,265 INFO  L276                IsEmpty]: Start isEmpty. Operand 4344 states and 6502 transitions.
[2024-11-13 14:00:13,296 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1971
[2024-11-13 14:00:13,296 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 14:00:13,297 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:00:13,298 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-13 14:00:13,298 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:00:13,298 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:00:13,299 INFO  L85        PathProgramCache]: Analyzing trace with hash -563023823, now seen corresponding path program 1 times
[2024-11-13 14:00:13,299 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:00:13,299 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150799795]
[2024-11-13 14:00:13,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:00:13,300 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:00:43,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:00:48,887 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:00:48,888 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:00:48,888 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150799795]
[2024-11-13 14:00:48,888 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150799795] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:00:48,888 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:00:48,888 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 14:00:48,888 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386872306]
[2024-11-13 14:00:48,888 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:00:48,890 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:00:48,890 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:00:48,892 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:00:48,892 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:00:48,893 INFO  L87              Difference]: Start difference. First operand 4344 states and 6502 transitions. Second operand  has 4 states, 4 states have (on average 492.5) internal successors, (1970), 4 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:00:49,079 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:00:49,080 INFO  L93              Difference]: Finished difference Result 8590 states and 12858 transitions.
[2024-11-13 14:00:49,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 14:00:49,081 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 492.5) internal successors, (1970), 4 states have internal predecessors, (1970), 0 states have call successors, (0), 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 1970
[2024-11-13 14:00:49,083 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:00:49,087 INFO  L225             Difference]: With dead ends: 8590
[2024-11-13 14:00:49,087 INFO  L226             Difference]: Without dead ends: 4344
[2024-11-13 14:00:49,091 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:00:49,092 INFO  L432           NwaCegarLoop]: 6417 mSDtfsCounter, 3487 mSDsluCounter, 8237 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3487 SdHoareTripleChecker+Valid, 14654 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 14:00:49,092 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3487 Valid, 14654 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 14:00:49,097 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4344 states.
[2024-11-13 14:00:49,137 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4344 to 4344.
[2024-11-13 14:00:49,141 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4344 states, 4343 states have (on average 1.4968915496200783) internal successors, (6501), 4343 states have internal predecessors, (6501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:00:49,147 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 6501 transitions.
[2024-11-13 14:00:49,148 INFO  L78                 Accepts]: Start accepts. Automaton has 4344 states and 6501 transitions. Word has length 1970
[2024-11-13 14:00:49,149 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:00:49,149 INFO  L471      AbstractCegarLoop]: Abstraction has 4344 states and 6501 transitions.
[2024-11-13 14:00:49,150 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 492.5) internal successors, (1970), 4 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:00:49,150 INFO  L276                IsEmpty]: Start isEmpty. Operand 4344 states and 6501 transitions.
[2024-11-13 14:00:49,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1972
[2024-11-13 14:00:49,177 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 14:00:49,178 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:00:49,179 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-13 14:00:49,179 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:00:49,179 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:00:49,180 INFO  L85        PathProgramCache]: Analyzing trace with hash -837193715, now seen corresponding path program 1 times
[2024-11-13 14:00:49,180 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:00:49,180 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250135660]
[2024-11-13 14:00:49,180 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:00:49,181 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:01:20,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:01:27,556 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:01:27,556 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:01:27,557 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250135660]
[2024-11-13 14:01:27,557 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250135660] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:01:27,557 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:01:27,557 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-13 14:01:27,557 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756653159]
[2024-11-13 14:01:27,557 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:01:27,558 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 14:01:27,559 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:01:27,560 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 14:01:27,560 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:01:27,561 INFO  L87              Difference]: Start difference. First operand 4344 states and 6501 transitions. Second operand  has 6 states, 6 states have (on average 328.5) internal successors, (1971), 6 states have internal predecessors, (1971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:01:28,013 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:01:28,014 INFO  L93              Difference]: Finished difference Result 12460 states and 18647 transitions.
[2024-11-13 14:01:28,014 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-13 14:01:28,014 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 328.5) internal successors, (1971), 6 states have internal predecessors, (1971), 0 states have call successors, (0), 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 1971
[2024-11-13 14:01:28,016 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:01:28,022 INFO  L225             Difference]: With dead ends: 12460
[2024-11-13 14:01:28,022 INFO  L226             Difference]: Without dead ends: 8214
[2024-11-13 14:01:28,025 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-13 14:01:28,026 INFO  L432           NwaCegarLoop]: 6399 mSDtfsCounter, 21577 mSDsluCounter, 19199 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21577 SdHoareTripleChecker+Valid, 25598 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-13 14:01:28,026 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [21577 Valid, 25598 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-13 14:01:28,034 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8214 states.
[2024-11-13 14:01:28,121 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8214 to 8195.
[2024-11-13 14:01:28,130 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8195 states, 8194 states have (on average 1.497071027581157) internal successors, (12267), 8194 states have internal predecessors, (12267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:01:28,141 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8195 states to 8195 states and 12267 transitions.
[2024-11-13 14:01:28,141 INFO  L78                 Accepts]: Start accepts. Automaton has 8195 states and 12267 transitions. Word has length 1971
[2024-11-13 14:01:28,143 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:01:28,143 INFO  L471      AbstractCegarLoop]: Abstraction has 8195 states and 12267 transitions.
[2024-11-13 14:01:28,143 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 328.5) internal successors, (1971), 6 states have internal predecessors, (1971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:01:28,144 INFO  L276                IsEmpty]: Start isEmpty. Operand 8195 states and 12267 transitions.
[2024-11-13 14:01:28,171 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1973
[2024-11-13 14:01:28,171 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 14:01:28,172 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:01:28,172 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-13 14:01:28,172 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:01:28,173 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:01:28,173 INFO  L85        PathProgramCache]: Analyzing trace with hash 725698136, now seen corresponding path program 1 times
[2024-11-13 14:01:28,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:01:28,174 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506815875]
[2024-11-13 14:01:28,174 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:01:28,174 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:02:00,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:02:03,960 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:02:03,960 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:02:03,960 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506815875]
[2024-11-13 14:02:03,960 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506815875] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:02:03,960 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:02:03,960 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 14:02:03,960 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922482831]
[2024-11-13 14:02:03,960 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:02:03,962 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-13 14:02:03,962 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:02:03,963 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-13 14:02:03,963 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:02:03,964 INFO  L87              Difference]: Start difference. First operand 8195 states and 12267 transitions. Second operand  has 5 states, 5 states have (on average 394.4) internal successors, (1972), 5 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:02:04,533 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:02:04,534 INFO  L93              Difference]: Finished difference Result 13278 states and 19874 transitions.
[2024-11-13 14:02:04,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-13 14:02:04,534 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 394.4) internal successors, (1972), 5 states have internal predecessors, (1972), 0 states have call successors, (0), 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 1972
[2024-11-13 14:02:04,535 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:02:04,540 INFO  L225             Difference]: With dead ends: 13278
[2024-11-13 14:02:04,540 INFO  L226             Difference]: Without dead ends: 8195
[2024-11-13 14:02:04,544 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:02:04,544 INFO  L432           NwaCegarLoop]: 6185 mSDtfsCounter, 4971 mSDsluCounter, 12354 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4971 SdHoareTripleChecker+Valid, 18539 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-13 14:02:04,545 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4971 Valid, 18539 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-13 14:02:04,552 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8195 states.
[2024-11-13 14:02:04,635 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8195 to 8195.
[2024-11-13 14:02:04,643 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8195 states, 8194 states have (on average 1.4968269465462534) internal successors, (12265), 8194 states have internal predecessors, (12265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:02:04,654 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8195 states to 8195 states and 12265 transitions.
[2024-11-13 14:02:04,654 INFO  L78                 Accepts]: Start accepts. Automaton has 8195 states and 12265 transitions. Word has length 1972
[2024-11-13 14:02:04,656 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:02:04,657 INFO  L471      AbstractCegarLoop]: Abstraction has 8195 states and 12265 transitions.
[2024-11-13 14:02:04,657 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 394.4) internal successors, (1972), 5 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:02:04,658 INFO  L276                IsEmpty]: Start isEmpty. Operand 8195 states and 12265 transitions.
[2024-11-13 14:02:04,684 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1974
[2024-11-13 14:02:04,684 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 14:02:04,685 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1]
[2024-11-13 14:02:04,686 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-13 14:02:04,686 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:02:04,686 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:02:04,687 INFO  L85        PathProgramCache]: Analyzing trace with hash 1591497410, now seen corresponding path program 1 times
[2024-11-13 14:02:04,687 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:02:04,687 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247813776]
[2024-11-13 14:02:04,688 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:02:04,688 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:02:26,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:02:33,100 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:02:33,100 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:02:33,100 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247813776]
[2024-11-13 14:02:33,100 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247813776] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:02:33,100 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:02:33,101 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-13 14:02:33,101 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49948350]
[2024-11-13 14:02:33,101 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:02:33,102 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-13 14:02:33,102 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:02:33,103 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-13 14:02:33,103 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:02:33,103 INFO  L87              Difference]: Start difference. First operand 8195 states and 12265 transitions. Second operand  has 7 states, 7 states have (on average 281.85714285714283) internal successors, (1973), 7 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:02:33,414 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:02:33,415 INFO  L93              Difference]: Finished difference Result 23383 states and 35000 transitions.
[2024-11-13 14:02:33,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-13 14:02:33,416 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 281.85714285714283) internal successors, (1973), 7 states have internal predecessors, (1973), 0 states have call successors, (0), 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 1973
[2024-11-13 14:02:33,416 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:02:33,426 INFO  L225             Difference]: With dead ends: 23383
[2024-11-13 14:02:33,426 INFO  L226             Difference]: Without dead ends: 15988
[2024-11-13 14:02:33,432 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2024-11-13 14:02:33,432 INFO  L432           NwaCegarLoop]: 11420 mSDtfsCounter, 13806 mSDsluCounter, 40583 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13806 SdHoareTripleChecker+Valid, 52003 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 14:02:33,432 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [13806 Valid, 52003 Invalid, 105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 14:02:33,441 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15988 states.
[2024-11-13 14:02:33,558 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15988 to 9491.
[2024-11-13 14:02:33,565 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9491 states, 9490 states have (on average 1.4957850368809273) internal successors, (14195), 9490 states have internal predecessors, (14195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:02:33,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9491 states to 9491 states and 14195 transitions.
[2024-11-13 14:02:33,573 INFO  L78                 Accepts]: Start accepts. Automaton has 9491 states and 14195 transitions. Word has length 1973
[2024-11-13 14:02:33,573 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:02:33,574 INFO  L471      AbstractCegarLoop]: Abstraction has 9491 states and 14195 transitions.
[2024-11-13 14:02:33,574 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 281.85714285714283) internal successors, (1973), 7 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:02:33,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 9491 states and 14195 transitions.
[2024-11-13 14:02:33,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1975
[2024-11-13 14:02:33,591 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 14:02:33,592 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1]
[2024-11-13 14:02:33,592 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-13 14:02:33,592 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:02:33,592 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:02:33,593 INFO  L85        PathProgramCache]: Analyzing trace with hash 1601316992, now seen corresponding path program 1 times
[2024-11-13 14:02:33,593 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:02:33,593 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488188222]
[2024-11-13 14:02:33,594 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:02:33,594 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:03:01,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:03:06,786 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:03:06,786 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:03:06,786 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488188222]
[2024-11-13 14:03:06,786 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488188222] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:03:06,786 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:03:06,787 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-13 14:03:06,787 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596454714]
[2024-11-13 14:03:06,787 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:03:06,788 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-13 14:03:06,788 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:03:06,789 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-13 14:03:06,789 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:03:06,790 INFO  L87              Difference]: Start difference. First operand 9491 states and 14195 transitions. Second operand  has 7 states, 7 states have (on average 282.0) internal successors, (1974), 7 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:03:07,924 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:03:07,924 INFO  L93              Difference]: Finished difference Result 18754 states and 28060 transitions.
[2024-11-13 14:03:07,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-13 14:03:07,925 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 282.0) internal successors, (1974), 7 states have internal predecessors, (1974), 0 states have call successors, (0), 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 1974
[2024-11-13 14:03:07,925 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:03:07,931 INFO  L225             Difference]: With dead ends: 18754
[2024-11-13 14:03:07,931 INFO  L226             Difference]: Without dead ends: 9507
[2024-11-13 14:03:07,936 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:03:07,936 INFO  L432           NwaCegarLoop]: 6107 mSDtfsCounter, 6367 mSDsluCounter, 24402 mSDsCounter, 0 mSdLazyCounter, 1644 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6367 SdHoareTripleChecker+Valid, 30509 SdHoareTripleChecker+Invalid, 1645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:03:07,937 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6367 Valid, 30509 Invalid, 1645 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1644 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 14:03:07,942 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9507 states.
[2024-11-13 14:03:08,004 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9507 to 9503.
[2024-11-13 14:03:08,011 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9503 states, 9502 states have (on average 1.4951589139128605) internal successors, (14207), 9502 states have internal predecessors, (14207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:03:08,020 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9503 states to 9503 states and 14207 transitions.
[2024-11-13 14:03:08,020 INFO  L78                 Accepts]: Start accepts. Automaton has 9503 states and 14207 transitions. Word has length 1974
[2024-11-13 14:03:08,021 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:03:08,021 INFO  L471      AbstractCegarLoop]: Abstraction has 9503 states and 14207 transitions.
[2024-11-13 14:03:08,021 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 282.0) internal successors, (1974), 7 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:03:08,021 INFO  L276                IsEmpty]: Start isEmpty. Operand 9503 states and 14207 transitions.
[2024-11-13 14:03:08,038 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1976
[2024-11-13 14:03:08,038 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 14:03:08,038 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:03:08,039 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-13 14:03:08,039 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:03:08,039 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:03:08,040 INFO  L85        PathProgramCache]: Analyzing trace with hash 681894348, now seen corresponding path program 1 times
[2024-11-13 14:03:08,040 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:03:08,040 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017706621]
[2024-11-13 14:03:08,040 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:03:08,040 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:03:39,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:03:42,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:03:42,973 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:03:42,973 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017706621]
[2024-11-13 14:03:42,973 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017706621] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:03:42,973 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:03:42,974 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 14:03:42,974 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248092472]
[2024-11-13 14:03:42,974 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:03:42,975 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:03:42,975 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:03:42,976 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:03:42,977 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:03:42,977 INFO  L87              Difference]: Start difference. First operand 9503 states and 14207 transitions. Second operand  has 4 states, 4 states have (on average 493.75) internal successors, (1975), 4 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:03:43,431 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:03:43,431 INFO  L93              Difference]: Finished difference Result 18790 states and 28100 transitions.
[2024-11-13 14:03:43,431 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 14:03:43,432 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 493.75) internal successors, (1975), 4 states have internal predecessors, (1975), 0 states have call successors, (0), 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 1975
[2024-11-13 14:03:43,432 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:03:43,438 INFO  L225             Difference]: With dead ends: 18790
[2024-11-13 14:03:43,438 INFO  L226             Difference]: Without dead ends: 9483
[2024-11-13 14:03:43,444 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:03:43,445 INFO  L432           NwaCegarLoop]: 6186 mSDtfsCounter, 6363 mSDsluCounter, 6184 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6363 SdHoareTripleChecker+Valid, 12370 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-13 14:03:43,445 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6363 Valid, 12370 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-13 14:03:43,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9483 states.
[2024-11-13 14:03:43,521 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9483 to 9391.
[2024-11-13 14:03:43,529 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9391 states, 9390 states have (on average 1.4955271565495207) internal successors, (14043), 9390 states have internal predecessors, (14043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:03:43,537 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9391 states to 9391 states and 14043 transitions.
[2024-11-13 14:03:43,537 INFO  L78                 Accepts]: Start accepts. Automaton has 9391 states and 14043 transitions. Word has length 1975
[2024-11-13 14:03:43,538 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:03:43,538 INFO  L471      AbstractCegarLoop]: Abstraction has 9391 states and 14043 transitions.
[2024-11-13 14:03:43,538 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 493.75) internal successors, (1975), 4 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:03:43,538 INFO  L276                IsEmpty]: Start isEmpty. Operand 9391 states and 14043 transitions.
[2024-11-13 14:03:43,555 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1976
[2024-11-13 14:03:43,555 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 14:03:43,556 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1]
[2024-11-13 14:03:43,556 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-13 14:03:43,557 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:03:43,557 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:03:43,558 INFO  L85        PathProgramCache]: Analyzing trace with hash 1236129409, now seen corresponding path program 1 times
[2024-11-13 14:03:43,558 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:03:43,558 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615208846]
[2024-11-13 14:03:43,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:03:43,558 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:04:06,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:04:10,101 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:04:10,101 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:04:10,101 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615208846]
[2024-11-13 14:04:10,101 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615208846] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:04:10,102 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:04:10,102 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 14:04:10,102 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151674502]
[2024-11-13 14:04:10,102 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:04:10,104 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-13 14:04:10,104 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:04:10,105 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-13 14:04:10,105 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:04:10,105 INFO  L87              Difference]: Start difference. First operand 9391 states and 14043 transitions. Second operand  has 5 states, 5 states have (on average 395.0) internal successors, (1975), 5 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:04:10,712 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:04:10,712 INFO  L93              Difference]: Finished difference Result 17280 states and 25848 transitions.
[2024-11-13 14:04:10,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-13 14:04:10,714 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 395.0) internal successors, (1975), 5 states have internal predecessors, (1975), 0 states have call successors, (0), 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 1975
[2024-11-13 14:04:10,714 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:04:10,719 INFO  L225             Difference]: With dead ends: 17280
[2024-11-13 14:04:10,720 INFO  L226             Difference]: Without dead ends: 9391
[2024-11-13 14:04:10,725 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:04:10,725 INFO  L432           NwaCegarLoop]: 6184 mSDtfsCounter, 6065 mSDsluCounter, 12294 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6065 SdHoareTripleChecker+Valid, 18478 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-13 14:04:10,725 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6065 Valid, 18478 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-13 14:04:10,733 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9391 states.
[2024-11-13 14:04:10,799 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9391 to 9391.
[2024-11-13 14:04:10,808 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9391 states, 9390 states have (on average 1.4953141640042598) internal successors, (14041), 9390 states have internal predecessors, (14041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:04:10,820 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9391 states to 9391 states and 14041 transitions.
[2024-11-13 14:04:10,820 INFO  L78                 Accepts]: Start accepts. Automaton has 9391 states and 14041 transitions. Word has length 1975
[2024-11-13 14:04:10,821 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:04:10,821 INFO  L471      AbstractCegarLoop]: Abstraction has 9391 states and 14041 transitions.
[2024-11-13 14:04:10,821 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 395.0) internal successors, (1975), 5 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:04:10,821 INFO  L276                IsEmpty]: Start isEmpty. Operand 9391 states and 14041 transitions.
[2024-11-13 14:04:10,838 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1977
[2024-11-13 14:04:10,838 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 14:04:10,839 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1]
[2024-11-13 14:04:10,839 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-13 14:04:10,839 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:04:10,839 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:04:10,840 INFO  L85        PathProgramCache]: Analyzing trace with hash -575343491, now seen corresponding path program 1 times
[2024-11-13 14:04:10,840 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:04:10,840 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114206345]
[2024-11-13 14:04:10,841 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:04:10,841 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:04:43,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:04:46,516 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:04:46,516 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:04:46,516 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114206345]
[2024-11-13 14:04:46,516 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114206345] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:04:46,516 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:04:46,516 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 14:04:46,516 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403503688]
[2024-11-13 14:04:46,516 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:04:46,517 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:04:46,517 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:04:46,518 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:04:46,518 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:04:46,519 INFO  L87              Difference]: Start difference. First operand 9391 states and 14041 transitions. Second operand  has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:04:46,600 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:04:46,601 INFO  L93              Difference]: Finished difference Result 18610 states and 27834 transitions.
[2024-11-13 14:04:46,601 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 14:04:46,602 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 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 1976
[2024-11-13 14:04:46,602 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:04:46,607 INFO  L225             Difference]: With dead ends: 18610
[2024-11-13 14:04:46,607 INFO  L226             Difference]: Without dead ends: 9403
[2024-11-13 14:04:46,612 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:04:46,613 INFO  L432           NwaCegarLoop]: 6430 mSDtfsCounter, 0 mSDsluCounter, 12852 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19282 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:04:46,613 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19282 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 14:04:46,618 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9403 states.
[2024-11-13 14:04:46,679 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9403 to 9403.
[2024-11-13 14:04:46,685 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9403 states, 9402 states have (on average 1.4946819825569029) internal successors, (14053), 9402 states have internal predecessors, (14053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:04:46,693 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9403 states to 9403 states and 14053 transitions.
[2024-11-13 14:04:46,693 INFO  L78                 Accepts]: Start accepts. Automaton has 9403 states and 14053 transitions. Word has length 1976
[2024-11-13 14:04:46,693 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:04:46,694 INFO  L471      AbstractCegarLoop]: Abstraction has 9403 states and 14053 transitions.
[2024-11-13 14:04:46,694 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:04:46,694 INFO  L276                IsEmpty]: Start isEmpty. Operand 9403 states and 14053 transitions.
[2024-11-13 14:04:46,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1978
[2024-11-13 14:04:46,710 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 14:04:46,711 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-13 14:04:46,712 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-13 14:04:46,712 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:04:46,712 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:04:46,713 INFO  L85        PathProgramCache]: Analyzing trace with hash -622717029, now seen corresponding path program 1 times
[2024-11-13 14:04:46,713 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:04:46,713 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220954234]
[2024-11-13 14:04:46,713 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:04:46,713 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms