./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10e0e78be51daed48ea010904584d32417a9e93a1f0c17631a4469cff9feac0c
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:00:34,359 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:00:34,414 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 06:00:34,418 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:00:34,418 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:00:34,438 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:00:34,439 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:00:34,439 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:00:34,440 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:00:34,440 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 06:00:34,440 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:00:34,440 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:00:34,440 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:00:34,440 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 06:00:34,440 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 06:00:34,441 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:00:34,441 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:00:34,441 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 06:00:34,441 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 06:00:34,441 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:00:34,441 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:00:34,441 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:00:34,441 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 06:00:34,441 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:00:34,441 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 06:00:34,442 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:00:34,442 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:00:34,442 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 06:00:34,442 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:00:34,443 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 06:00:34,443 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:00:34,443 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:00:34,443 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:00:34,443 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:00:34,443 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:00:34,443 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_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10e0e78be51daed48ea010904584d32417a9e93a1f0c17631a4469cff9feac0c
[2024-12-02 06:00:34,661 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:00:34,668 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:00:34,670 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:00:34,672 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 06:00:34,672 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 06:00:34,673 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c
[2024-12-02 06:00:37,278 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/data/1bfbc0420/a23b3ba824d941c58659626dca54edbf/FLAG4842ed6c2
[2024-12-02 06:00:37,758 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 06:00:37,758 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c
[2024-12-02 06:00:37,798 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/data/1bfbc0420/a23b3ba824d941c58659626dca54edbf/FLAG4842ed6c2
[2024-12-02 06:00:37,860 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/data/1bfbc0420/a23b3ba824d941c58659626dca54edbf
[2024-12-02 06:00:37,862 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:00:37,864 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:00:37,865 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:00:37,865 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:00:37,870 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:00:37,870 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:00:37" (1/1) ...
[2024-12-02 06:00:37,871 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600350b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:37, skipping insertion in model container
[2024-12-02 06:00:37,871 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:00:37" (1/1) ...
[2024-12-02 06:00:38,009 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:00:38,267 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_8f1ea187-6f2c-4307-9fc5-902b703a6976/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c[1179,1192]
[2024-12-02 06:00:39,394 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:00:39,405 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 06:00:39,415 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_8f1ea187-6f2c-4307-9fc5-902b703a6976/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c[1179,1192]
[2024-12-02 06:00:40,049 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:00:40,064 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 06:00:40,064 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40 WrapperNode
[2024-12-02 06:00:40,064 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:00:40,066 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:00:40,066 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:00:40,066 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:00:40,073 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:40,310 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:42,809 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42210
[2024-12-02 06:00:42,810 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:00:42,810 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:00:42,811 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:00:42,811 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:00:42,819 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:42,819 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:43,654 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:44,152 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 06:00:44,153 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:44,153 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:44,832 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:44,905 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:45,032 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:45,193 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:45,290 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:45,922 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:00:45,923 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:00:45,923 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:00:45,923 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:00:45,924 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (1/1) ...
[2024-12-02 06:00:45,931 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:00:45,946 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:00:45,957 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:00:45,959 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1ea187-6f2c-4307-9fc5-902b703a6976/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:00:45,980 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:00:45,980 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:00:45,980 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:00:45,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:00:47,934 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 06:00:47,936 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:02:48,262 INFO  L?                        ?]: Removed 24058 outVars from TransFormulas that were not future-live.
[2024-12-02 06:02:48,262 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 06:02:48,396 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:02:48,396 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 06:02:48,397 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:48 BoogieIcfgContainer
[2024-12-02 06:02:48,397 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:02:48,399 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:02:48,399 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:02:48,404 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:02:48,404 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:00:37" (1/3) ...
[2024-12-02 06:02:48,405 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b49d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:02:48, skipping insertion in model container
[2024-12-02 06:02:48,405 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:40" (2/3) ...
[2024-12-02 06:02:48,405 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b49d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:02:48, skipping insertion in model container
[2024-12-02 06:02:48,405 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:48" (3/3) ...
[2024-12-02 06:02:48,406 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c
[2024-12-02 06:02:48,422 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:02:48,424 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.pgm_protocol.1.prop6-func-interl.c that has 1 procedures, 14362 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 06:02:48,669 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:02:48,680 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;@3a6e622, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:02:48,681 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 06:02:48,716 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 14362 states, 14360 states have (on average 1.5006267409470753) internal successors, (21549), 14361 states have internal predecessors, (21549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:48,741 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 484
[2024-12-02 06:02:48,741 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:02:48,742 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:48,743 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:02:48,747 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:48,748 INFO  L85        PathProgramCache]: Analyzing trace with hash -1581915527, now seen corresponding path program 1 times
[2024-12-02 06:02:48,755 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:02:48,756 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652695064]
[2024-12-02 06:02:48,756 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:48,757 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:49,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:02:51,091 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:02:51,092 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:02:51,092 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652695064]
[2024-12-02 06:02:51,092 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652695064] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:02:51,093 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:02:51,093 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:02:51,095 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867910525]
[2024-12-02 06:02:51,095 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:02:51,100 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:02:51,100 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:02:51,121 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:02:51,121 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:02:51,149 INFO  L87              Difference]: Start difference. First operand  has 14362 states, 14360 states have (on average 1.5006267409470753) internal successors, (21549), 14361 states have internal predecessors, (21549), 0 states have call successors, (0), 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 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:51,757 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:02:51,758 INFO  L93              Difference]: Finished difference Result 28025 states and 42053 transitions.
[2024-12-02 06:02:51,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:02:51,760 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 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 483
[2024-12-02 06:02:51,762 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:02:51,823 INFO  L225             Difference]: With dead ends: 28025
[2024-12-02 06:02:51,823 INFO  L226             Difference]: Without dead ends: 14361
[2024-12-02 06:02:51,842 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:02:51,845 INFO  L435           NwaCegarLoop]: 21543 mSDtfsCounter, 0 mSDsluCounter, 43080 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64623 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
[2024-12-02 06:02:51,846 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64623 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:02:51,883 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14361 states.
[2024-12-02 06:02:52,280 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14361 to 14361.
[2024-12-02 06:02:52,307 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14361 states, 14360 states have (on average 1.5004874651810585) internal successors, (21547), 14360 states have internal predecessors, (21547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:52,363 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14361 states to 14361 states and 21547 transitions.
[2024-12-02 06:02:52,365 INFO  L78                 Accepts]: Start accepts. Automaton has 14361 states and 21547 transitions. Word has length 483
[2024-12-02 06:02:52,366 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:02:52,367 INFO  L471      AbstractCegarLoop]: Abstraction has 14361 states and 21547 transitions.
[2024-12-02 06:02:52,367 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:52,367 INFO  L276                IsEmpty]: Start isEmpty. Operand 14361 states and 21547 transitions.
[2024-12-02 06:02:52,378 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 485
[2024-12-02 06:02:52,379 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:02:52,379 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:52,379 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 06:02:52,380 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:02:52,381 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:52,381 INFO  L85        PathProgramCache]: Analyzing trace with hash -1793042821, now seen corresponding path program 1 times
[2024-12-02 06:02:52,381 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:02:52,381 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309602210]
[2024-12-02 06:02:52,381 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:52,382 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:52,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:02:53,732 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:02:53,733 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:02:53,733 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309602210]
[2024-12-02 06:02:53,733 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309602210] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:02:53,733 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:02:53,733 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:02:53,733 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218916379]
[2024-12-02 06:02:53,733 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:02:53,738 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:02:53,738 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:02:53,739 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:02:53,739 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:02:53,740 INFO  L87              Difference]: Start difference. First operand 14361 states and 21547 transitions. Second operand  has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:54,199 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:02:54,199 INFO  L93              Difference]: Finished difference Result 28026 states and 42051 transitions.
[2024-12-02 06:02:54,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:02:54,200 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 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 484
[2024-12-02 06:02:54,201 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:02:54,272 INFO  L225             Difference]: With dead ends: 28026
[2024-12-02 06:02:54,272 INFO  L226             Difference]: Without dead ends: 14363
[2024-12-02 06:02:54,289 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:02:54,289 INFO  L435           NwaCegarLoop]: 21543 mSDtfsCounter, 0 mSDsluCounter, 43076 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64619 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:02:54,290 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64619 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:02:54,316 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14363 states.
[2024-12-02 06:02:54,569 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14363 to 14363.
[2024-12-02 06:02:54,588 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14363 states, 14362 states have (on average 1.500417769112937) internal successors, (21549), 14362 states have internal predecessors, (21549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:54,617 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14363 states to 14363 states and 21549 transitions.
[2024-12-02 06:02:54,618 INFO  L78                 Accepts]: Start accepts. Automaton has 14363 states and 21549 transitions. Word has length 484
[2024-12-02 06:02:54,619 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:02:54,619 INFO  L471      AbstractCegarLoop]: Abstraction has 14363 states and 21549 transitions.
[2024-12-02 06:02:54,621 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:54,621 INFO  L276                IsEmpty]: Start isEmpty. Operand 14363 states and 21549 transitions.
[2024-12-02 06:02:54,632 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 486
[2024-12-02 06:02:54,632 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:02:54,632 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:54,633 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:02:54,633 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:02:54,638 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:54,638 INFO  L85        PathProgramCache]: Analyzing trace with hash -847715438, now seen corresponding path program 1 times
[2024-12-02 06:02:54,639 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:02:54,639 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313629101]
[2024-12-02 06:02:54,639 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:54,639 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:54,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:02:55,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:02:55,821 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:02:55,821 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313629101]
[2024-12-02 06:02:55,822 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313629101] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:02:55,822 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:02:55,822 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:02:55,822 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706545819]
[2024-12-02 06:02:55,822 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:02:55,823 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:02:55,823 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:02:55,824 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:02:55,824 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:02:55,825 INFO  L87              Difference]: Start difference. First operand 14363 states and 21549 transitions. Second operand  has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:56,160 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:02:56,160 INFO  L93              Difference]: Finished difference Result 28030 states and 42055 transitions.
[2024-12-02 06:02:56,160 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:02:56,161 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 0 states have call successors, (0), 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 485
[2024-12-02 06:02:56,161 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:02:56,197 INFO  L225             Difference]: With dead ends: 28030
[2024-12-02 06:02:56,197 INFO  L226             Difference]: Without dead ends: 14365
[2024-12-02 06:02:56,218 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:02:56,218 INFO  L435           NwaCegarLoop]: 21543 mSDtfsCounter, 0 mSDsluCounter, 43070 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64613 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:02:56,219 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64613 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:02:56,238 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14365 states.
[2024-12-02 06:02:56,438 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14365 to 14365.
[2024-12-02 06:02:56,454 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14365 states, 14364 states have (on average 1.5003480924533557) internal successors, (21551), 14364 states have internal predecessors, (21551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:56,476 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14365 states to 14365 states and 21551 transitions.
[2024-12-02 06:02:56,477 INFO  L78                 Accepts]: Start accepts. Automaton has 14365 states and 21551 transitions. Word has length 485
[2024-12-02 06:02:56,478 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:02:56,478 INFO  L471      AbstractCegarLoop]: Abstraction has 14365 states and 21551 transitions.
[2024-12-02 06:02:56,478 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:56,478 INFO  L276                IsEmpty]: Start isEmpty. Operand 14365 states and 21551 transitions.
[2024-12-02 06:02:56,487 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 487
[2024-12-02 06:02:56,487 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:02:56,487 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:56,488 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 06:02:56,488 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:02:56,488 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:56,488 INFO  L85        PathProgramCache]: Analyzing trace with hash 399515106, now seen corresponding path program 1 times
[2024-12-02 06:02:56,489 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:02:56,489 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488179640]
[2024-12-02 06:02:56,489 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:56,489 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:56,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:02:57,344 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:02:57,344 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:02:57,344 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488179640]
[2024-12-02 06:02:57,344 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488179640] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:02:57,344 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:02:57,344 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 06:02:57,344 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311026880]
[2024-12-02 06:02:57,344 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:02:57,345 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 06:02:57,345 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:02:57,346 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 06:02:57,346 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:02:57,347 INFO  L87              Difference]: Start difference. First operand 14365 states and 21551 transitions. Second operand  has 6 states, 6 states have (on average 81.0) internal successors, (486), 6 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:57,960 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:02:57,961 INFO  L93              Difference]: Finished difference Result 28040 states and 42067 transitions.
[2024-12-02 06:02:57,961 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:02:57,962 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 81.0) internal successors, (486), 6 states have internal predecessors, (486), 0 states have call successors, (0), 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 486
[2024-12-02 06:02:57,963 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:02:57,981 INFO  L225             Difference]: With dead ends: 28040
[2024-12-02 06:02:57,982 INFO  L226             Difference]: Without dead ends: 14373
[2024-12-02 06:02:57,994 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:02:57,995 INFO  L435           NwaCegarLoop]: 21542 mSDtfsCounter, 3 mSDsluCounter, 86145 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 107687 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 06:02:57,995 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 107687 Invalid, 38 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 06:02:58,017 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14373 states.
[2024-12-02 06:02:58,197 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14373 to 14369.
[2024-12-02 06:02:58,213 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14369 states, 14368 states have (on average 1.5003479955456571) internal successors, (21557), 14368 states have internal predecessors, (21557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:58,236 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14369 states to 14369 states and 21557 transitions.
[2024-12-02 06:02:58,236 INFO  L78                 Accepts]: Start accepts. Automaton has 14369 states and 21557 transitions. Word has length 486
[2024-12-02 06:02:58,237 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:02:58,237 INFO  L471      AbstractCegarLoop]: Abstraction has 14369 states and 21557 transitions.
[2024-12-02 06:02:58,237 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 81.0) internal successors, (486), 6 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:02:58,237 INFO  L276                IsEmpty]: Start isEmpty. Operand 14369 states and 21557 transitions.
[2024-12-02 06:02:58,247 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 488
[2024-12-02 06:02:58,247 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:02:58,247 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:02:58,248 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 06:02:58,248 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:02:58,248 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:02:58,249 INFO  L85        PathProgramCache]: Analyzing trace with hash 614262699, now seen corresponding path program 1 times
[2024-12-02 06:02:58,249 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:02:58,249 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909517112]
[2024-12-02 06:02:58,249 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:02:58,249 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:02:58,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:02:59,573 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:02:59,573 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:02:59,574 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909517112]
[2024-12-02 06:02:59,574 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909517112] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:02:59,574 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:02:59,574 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:02:59,574 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176698767]
[2024-12-02 06:02:59,574 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:02:59,575 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:02:59,575 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:02:59,575 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:02:59,576 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:02:59,576 INFO  L87              Difference]: Start difference. First operand 14369 states and 21557 transitions. Second operand  has 5 states, 5 states have (on average 97.4) internal successors, (487), 5 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:03:00,008 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:03:00,008 INFO  L93              Difference]: Finished difference Result 40741 states and 61126 transitions.
[2024-12-02 06:03:00,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:03:00,009 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 97.4) internal successors, (487), 5 states have internal predecessors, (487), 0 states have call successors, (0), 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 487
[2024-12-02 06:03:00,010 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:03:00,053 INFO  L225             Difference]: With dead ends: 40741
[2024-12-02 06:03:00,053 INFO  L226             Difference]: Without dead ends: 27070
[2024-12-02 06:03:00,068 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:03:00,069 INFO  L435           NwaCegarLoop]: 21538 mSDtfsCounter, 19630 mSDsluCounter, 63563 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19630 SdHoareTripleChecker+Valid, 85101 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:03:00,069 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19630 Valid, 85101 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:03:00,101 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27070 states.
[2024-12-02 06:03:00,286 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27070 to 14615.
[2024-12-02 06:03:00,305 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14615 states, 14614 states have (on average 1.5002737101409607) internal successors, (21925), 14614 states have internal predecessors, (21925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:03:00,324 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14615 states to 14615 states and 21925 transitions.
[2024-12-02 06:03:00,324 INFO  L78                 Accepts]: Start accepts. Automaton has 14615 states and 21925 transitions. Word has length 487
[2024-12-02 06:03:00,325 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:03:00,325 INFO  L471      AbstractCegarLoop]: Abstraction has 14615 states and 21925 transitions.
[2024-12-02 06:03:00,325 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 97.4) internal successors, (487), 5 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:03:00,326 INFO  L276                IsEmpty]: Start isEmpty. Operand 14615 states and 21925 transitions.
[2024-12-02 06:03:00,683 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7303
[2024-12-02 06:03:00,683 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:03:00,687 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 06:03:00,687 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 06:03:00,687 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:03:00,689 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:03:00,694 INFO  L85        PathProgramCache]: Analyzing trace with hash -530796440, now seen corresponding path program 1 times
[2024-12-02 06:03:00,694 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:03:00,694 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865868733]
[2024-12-02 06:03:00,698 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:03:00,698 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:03:15,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:03:38,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:03:38,900 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:03:38,900 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865868733]
[2024-12-02 06:03:38,900 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865868733] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:03:38,900 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:03:38,901 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:03:38,901 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655178046]
[2024-12-02 06:03:38,901 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:03:38,907 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:03:38,907 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:03:38,912 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:03:38,913 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:03:38,915 INFO  L87              Difference]: Start difference. First operand 14615 states and 21925 transitions. Second operand  has 4 states, 4 states have (on average 1825.5) internal successors, (7302), 4 states have internal predecessors, (7302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:03:39,437 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:03:39,437 INFO  L93              Difference]: Finished difference Result 28286 states and 42436 transitions.
[2024-12-02 06:03:39,437 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:03:39,439 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1825.5) internal successors, (7302), 4 states have internal predecessors, (7302), 0 states have call successors, (0), 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 7302
[2024-12-02 06:03:39,440 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:03:39,462 INFO  L225             Difference]: With dead ends: 28286
[2024-12-02 06:03:39,462 INFO  L226             Difference]: Without dead ends: 14615
[2024-12-02 06:03:39,472 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:03:39,473 INFO  L435           NwaCegarLoop]: 21537 mSDtfsCounter, 21065 mSDsluCounter, 21535 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21065 SdHoareTripleChecker+Valid, 43072 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:03:39,473 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21065 Valid, 43072 Invalid, 13 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:03:39,493 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14615 states.
[2024-12-02 06:03:39,641 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14615 to 14615.
[2024-12-02 06:03:39,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14615 states, 14614 states have (on average 1.5002052826057206) internal successors, (21924), 14614 states have internal predecessors, (21924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:03:39,682 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14615 states to 14615 states and 21924 transitions.
[2024-12-02 06:03:39,683 INFO  L78                 Accepts]: Start accepts. Automaton has 14615 states and 21924 transitions. Word has length 7302
[2024-12-02 06:03:39,684 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:03:39,684 INFO  L471      AbstractCegarLoop]: Abstraction has 14615 states and 21924 transitions.
[2024-12-02 06:03:39,687 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1825.5) internal successors, (7302), 4 states have internal predecessors, (7302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:03:39,687 INFO  L276                IsEmpty]: Start isEmpty. Operand 14615 states and 21924 transitions.
[2024-12-02 06:03:40,045 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7304
[2024-12-02 06:03:40,045 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:03:40,047 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 06:03:40,047 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 06:03:40,047 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:03:40,049 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:03:40,051 INFO  L85        PathProgramCache]: Analyzing trace with hash -282864569, now seen corresponding path program 1 times
[2024-12-02 06:03:40,051 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:03:40,051 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686670686]
[2024-12-02 06:03:40,052 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:03:40,052 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:03:53,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:04:17,849 INFO  L134       CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:04:17,849 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:04:17,850 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686670686]
[2024-12-02 06:04:17,850 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686670686] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:04:17,850 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:04:17,850 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:04:17,851 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777787334]
[2024-12-02 06:04:17,851 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:04:17,856 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:04:17,856 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:04:17,861 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:04:17,861 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:04:17,864 INFO  L87              Difference]: Start difference. First operand 14615 states and 21924 transitions. Second operand  has 4 states, 4 states have (on average 1825.75) internal successors, (7303), 4 states have internal predecessors, (7303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:04:18,040 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:04:18,041 INFO  L93              Difference]: Finished difference Result 28286 states and 42434 transitions.
[2024-12-02 06:04:18,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:04:18,043 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1825.75) internal successors, (7303), 4 states have internal predecessors, (7303), 0 states have call successors, (0), 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 7303
[2024-12-02 06:04:18,044 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:04:18,062 INFO  L225             Difference]: With dead ends: 28286
[2024-12-02 06:04:18,062 INFO  L226             Difference]: Without dead ends: 14615
[2024-12-02 06:04:18,071 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:04:18,072 INFO  L435           NwaCegarLoop]: 21536 mSDtfsCounter, 21061 mSDsluCounter, 21534 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21061 SdHoareTripleChecker+Valid, 43070 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:04:18,072 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21061 Valid, 43070 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:04:18,089 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14615 states.
[2024-12-02 06:04:18,227 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14615 to 14615.
[2024-12-02 06:04:18,241 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14615 states, 14614 states have (on average 1.5001368550704803) internal successors, (21923), 14614 states have internal predecessors, (21923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:04:18,259 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14615 states to 14615 states and 21923 transitions.
[2024-12-02 06:04:18,259 INFO  L78                 Accepts]: Start accepts. Automaton has 14615 states and 21923 transitions. Word has length 7303
[2024-12-02 06:04:18,261 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:04:18,261 INFO  L471      AbstractCegarLoop]: Abstraction has 14615 states and 21923 transitions.
[2024-12-02 06:04:18,263 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1825.75) internal successors, (7303), 4 states have internal predecessors, (7303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:04:18,263 INFO  L276                IsEmpty]: Start isEmpty. Operand 14615 states and 21923 transitions.
[2024-12-02 06:04:18,844 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7305
[2024-12-02 06:04:18,844 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:04:18,848 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 06:04:18,848 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 06:04:18,848 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:04:18,850 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:04:18,854 INFO  L85        PathProgramCache]: Analyzing trace with hash 1899887028, now seen corresponding path program 1 times
[2024-12-02 06:04:18,854 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:04:18,854 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824771233]
[2024-12-02 06:04:18,855 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:04:18,855 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:04:30,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:04:56,761 INFO  L134       CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:04:56,761 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:04:56,761 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824771233]
[2024-12-02 06:04:56,761 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824771233] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:04:56,761 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:04:56,762 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:04:56,762 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444263808]
[2024-12-02 06:04:56,762 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:04:56,764 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:04:56,765 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:04:56,768 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:04:56,768 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:04:56,769 INFO  L87              Difference]: Start difference. First operand 14615 states and 21923 transitions. Second operand  has 5 states, 5 states have (on average 1460.8) internal successors, (7304), 5 states have internal predecessors, (7304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:04:57,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:04:57,313 INFO  L93              Difference]: Finished difference Result 28291 states and 42439 transitions.
[2024-12-02 06:04:57,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:04:57,315 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 1460.8) internal successors, (7304), 5 states have internal predecessors, (7304), 0 states have call successors, (0), 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 7304
[2024-12-02 06:04:57,316 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:04:57,330 INFO  L225             Difference]: With dead ends: 28291
[2024-12-02 06:04:57,331 INFO  L226             Difference]: Without dead ends: 14620
[2024-12-02 06:04:57,338 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:04:57,339 INFO  L435           NwaCegarLoop]: 21534 mSDtfsCounter, 4 mSDsluCounter, 64593 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 86127 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:04:57,339 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 86127 Invalid, 41 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:04:57,355 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14620 states.
[2024-12-02 06:04:57,483 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14620 to 14618.
[2024-12-02 06:04:57,497 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14618 states, 14617 states have (on average 1.5000342067455703) internal successors, (21926), 14617 states have internal predecessors, (21926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:04:57,516 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14618 states to 14618 states and 21926 transitions.
[2024-12-02 06:04:57,517 INFO  L78                 Accepts]: Start accepts. Automaton has 14618 states and 21926 transitions. Word has length 7304
[2024-12-02 06:04:57,517 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:04:57,518 INFO  L471      AbstractCegarLoop]: Abstraction has 14618 states and 21926 transitions.
[2024-12-02 06:04:57,518 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 1460.8) internal successors, (7304), 5 states have internal predecessors, (7304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:04:57,519 INFO  L276                IsEmpty]: Start isEmpty. Operand 14618 states and 21926 transitions.
[2024-12-02 06:04:57,787 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7306
[2024-12-02 06:04:57,787 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:04:57,790 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 06:04:57,790 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 06:04:57,790 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:04:57,791 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:04:57,793 INFO  L85        PathProgramCache]: Analyzing trace with hash -595223060, now seen corresponding path program 1 times
[2024-12-02 06:04:57,793 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:04:57,793 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848871483]
[2024-12-02 06:04:57,794 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:04:57,794 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:09,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:05:30,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:05:30,128 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:05:30,129 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848871483]
[2024-12-02 06:05:30,129 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848871483] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:05:30,129 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:05:30,129 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:05:30,129 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596019086]
[2024-12-02 06:05:30,129 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:05:30,132 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:05:30,132 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:05:30,136 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:05:30,136 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:05:30,137 INFO  L87              Difference]: Start difference. First operand 14618 states and 21926 transitions. Second operand  has 4 states, 4 states have (on average 1826.25) internal successors, (7305), 4 states have internal predecessors, (7305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:05:30,318 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:05:30,319 INFO  L93              Difference]: Finished difference Result 28292 states and 42438 transitions.
[2024-12-02 06:05:30,319 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:05:30,320 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1826.25) internal successors, (7305), 4 states have internal predecessors, (7305), 0 states have call successors, (0), 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 7305
[2024-12-02 06:05:30,321 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:05:30,330 INFO  L225             Difference]: With dead ends: 28292
[2024-12-02 06:05:30,330 INFO  L226             Difference]: Without dead ends: 14618
[2024-12-02 06:05:30,338 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:05:30,339 INFO  L435           NwaCegarLoop]: 21533 mSDtfsCounter, 21056 mSDsluCounter, 21531 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21056 SdHoareTripleChecker+Valid, 43064 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:05:30,339 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21056 Valid, 43064 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:05:30,351 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14618 states.
[2024-12-02 06:05:30,437 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14618 to 14618.
[2024-12-02 06:05:30,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14618 states, 14617 states have (on average 1.4999657932544297) internal successors, (21925), 14617 states have internal predecessors, (21925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:05:30,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14618 states to 14618 states and 21925 transitions.
[2024-12-02 06:05:30,460 INFO  L78                 Accepts]: Start accepts. Automaton has 14618 states and 21925 transitions. Word has length 7305
[2024-12-02 06:05:30,460 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:05:30,460 INFO  L471      AbstractCegarLoop]: Abstraction has 14618 states and 21925 transitions.
[2024-12-02 06:05:30,461 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1826.25) internal successors, (7305), 4 states have internal predecessors, (7305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:05:30,462 INFO  L276                IsEmpty]: Start isEmpty. Operand 14618 states and 21925 transitions.
[2024-12-02 06:05:30,901 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7307
[2024-12-02 06:05:30,901 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:05:30,905 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 06:05:30,905 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 06:05:30,905 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:05:30,907 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:05:30,909 INFO  L85        PathProgramCache]: Analyzing trace with hash -1652646629, now seen corresponding path program 1 times
[2024-12-02 06:05:30,909 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:05:30,909 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071106124]
[2024-12-02 06:05:30,911 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:05:30,911 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:05:42,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:06:03,414 INFO  L134       CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:06:03,415 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:06:03,415 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071106124]
[2024-12-02 06:06:03,415 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071106124] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:06:03,415 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:06:03,416 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:06:03,416 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014980035]
[2024-12-02 06:06:03,416 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:06:03,421 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:06:03,421 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:06:03,427 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:06:03,427 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:06:03,428 INFO  L87              Difference]: Start difference. First operand 14618 states and 21925 transitions. Second operand  has 4 states, 4 states have (on average 1826.5) internal successors, (7306), 4 states have internal predecessors, (7306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:06:03,617 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:06:03,618 INFO  L93              Difference]: Finished difference Result 28292 states and 42436 transitions.
[2024-12-02 06:06:03,618 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:06:03,620 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1826.5) internal successors, (7306), 4 states have internal predecessors, (7306), 0 states have call successors, (0), 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 7306
[2024-12-02 06:06:03,620 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:06:03,634 INFO  L225             Difference]: With dead ends: 28292
[2024-12-02 06:06:03,635 INFO  L226             Difference]: Without dead ends: 14618
[2024-12-02 06:06:03,645 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:06:03,645 INFO  L435           NwaCegarLoop]: 21532 mSDtfsCounter, 21052 mSDsluCounter, 21530 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21052 SdHoareTripleChecker+Valid, 43062 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:06:03,646 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21052 Valid, 43062 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:06:03,661 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14618 states.
[2024-12-02 06:06:03,759 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14618 to 14618.
[2024-12-02 06:06:03,773 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14618 states, 14617 states have (on average 1.4998973797632893) internal successors, (21924), 14617 states have internal predecessors, (21924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:06:03,792 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14618 states to 14618 states and 21924 transitions.
[2024-12-02 06:06:03,792 INFO  L78                 Accepts]: Start accepts. Automaton has 14618 states and 21924 transitions. Word has length 7306
[2024-12-02 06:06:03,793 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:06:03,793 INFO  L471      AbstractCegarLoop]: Abstraction has 14618 states and 21924 transitions.
[2024-12-02 06:06:03,794 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1826.5) internal successors, (7306), 4 states have internal predecessors, (7306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:06:03,794 INFO  L276                IsEmpty]: Start isEmpty. Operand 14618 states and 21924 transitions.
[2024-12-02 06:06:04,150 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7308
[2024-12-02 06:06:04,150 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:06:04,153 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 06:06:04,153 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 06:06:04,153 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:06:04,154 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:06:04,156 INFO  L85        PathProgramCache]: Analyzing trace with hash -728111304, now seen corresponding path program 1 times
[2024-12-02 06:06:04,157 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:06:04,157 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952310119]
[2024-12-02 06:06:04,158 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:06:04,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:06:16,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:06:44,182 INFO  L134       CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:06:44,182 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:06:44,182 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952310119]
[2024-12-02 06:06:44,182 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952310119] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:06:44,182 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:06:44,183 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:06:44,183 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436542575]
[2024-12-02 06:06:44,183 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:06:44,188 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:06:44,188 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:06:44,193 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:06:44,193 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:06:44,195 INFO  L87              Difference]: Start difference. First operand 14618 states and 21924 transitions. Second operand  has 5 states, 5 states have (on average 1461.4) internal successors, (7307), 5 states have internal predecessors, (7307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:06:44,466 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:06:44,466 INFO  L93              Difference]: Finished difference Result 28297 states and 42441 transitions.
[2024-12-02 06:06:44,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:06:44,468 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 1461.4) internal successors, (7307), 5 states have internal predecessors, (7307), 0 states have call successors, (0), 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 7307
[2024-12-02 06:06:44,468 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:06:44,477 INFO  L225             Difference]: With dead ends: 28297
[2024-12-02 06:06:44,478 INFO  L226             Difference]: Without dead ends: 14623
[2024-12-02 06:06:44,486 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:06:44,486 INFO  L435           NwaCegarLoop]: 21532 mSDtfsCounter, 4 mSDsluCounter, 64587 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 86119 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:06:44,486 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 86119 Invalid, 41 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:06:44,500 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14623 states.
[2024-12-02 06:06:44,595 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14623 to 14621.
[2024-12-02 06:06:44,607 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14621 states, 14620 states have (on average 1.499794801641587) internal successors, (21927), 14620 states have internal predecessors, (21927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:06:44,620 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14621 states to 14621 states and 21927 transitions.
[2024-12-02 06:06:44,620 INFO  L78                 Accepts]: Start accepts. Automaton has 14621 states and 21927 transitions. Word has length 7307
[2024-12-02 06:06:44,621 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:06:44,621 INFO  L471      AbstractCegarLoop]: Abstraction has 14621 states and 21927 transitions.
[2024-12-02 06:06:44,622 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 1461.4) internal successors, (7307), 5 states have internal predecessors, (7307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:06:44,622 INFO  L276                IsEmpty]: Start isEmpty. Operand 14621 states and 21927 transitions.
[2024-12-02 06:06:44,948 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7309
[2024-12-02 06:06:44,948 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:06:44,951 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 06:06:44,951 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 06:06:44,951 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:06:44,953 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:06:44,954 INFO  L85        PathProgramCache]: Analyzing trace with hash 1087153666, now seen corresponding path program 1 times
[2024-12-02 06:06:44,954 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:06:44,955 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286656170]
[2024-12-02 06:06:44,955 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:06:44,955 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:06:57,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:07:17,827 INFO  L134       CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:07:17,827 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:07:17,828 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286656170]
[2024-12-02 06:07:17,828 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286656170] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:07:17,828 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:07:17,829 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:07:17,829 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730113893]
[2024-12-02 06:07:17,829 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:07:17,832 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:07:17,832 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:07:17,835 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:07:17,835 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:07:17,837 INFO  L87              Difference]: Start difference. First operand 14621 states and 21927 transitions. Second operand  has 4 states, 4 states have (on average 1827.0) internal successors, (7308), 4 states have internal predecessors, (7308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:07:18,355 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:07:18,355 INFO  L93              Difference]: Finished difference Result 28298 states and 42440 transitions.
[2024-12-02 06:07:18,355 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:07:18,356 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1827.0) internal successors, (7308), 4 states have internal predecessors, (7308), 0 states have call successors, (0), 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 7308
[2024-12-02 06:07:18,357 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:07:18,365 INFO  L225             Difference]: With dead ends: 28298
[2024-12-02 06:07:18,365 INFO  L226             Difference]: Without dead ends: 14621
[2024-12-02 06:07:18,371 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:07:18,371 INFO  L435           NwaCegarLoop]: 21531 mSDtfsCounter, 21047 mSDsluCounter, 21529 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21047 SdHoareTripleChecker+Valid, 43060 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:07:18,372 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21047 Valid, 43060 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:07:18,383 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14621 states.
[2024-12-02 06:07:18,459 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14621 to 14621.
[2024-12-02 06:07:18,470 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14621 states, 14620 states have (on average 1.4997264021887824) internal successors, (21926), 14620 states have internal predecessors, (21926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:07:18,482 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14621 states to 14621 states and 21926 transitions.
[2024-12-02 06:07:18,482 INFO  L78                 Accepts]: Start accepts. Automaton has 14621 states and 21926 transitions. Word has length 7308
[2024-12-02 06:07:18,483 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:07:18,483 INFO  L471      AbstractCegarLoop]: Abstraction has 14621 states and 21926 transitions.
[2024-12-02 06:07:18,484 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1827.0) internal successors, (7308), 4 states have internal predecessors, (7308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:07:18,484 INFO  L276                IsEmpty]: Start isEmpty. Operand 14621 states and 21926 transitions.
[2024-12-02 06:07:18,749 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7310
[2024-12-02 06:07:18,749 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:07:18,751 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 06:07:18,751 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 06:07:18,751 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:07:18,753 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:07:18,755 INFO  L85        PathProgramCache]: Analyzing trace with hash 240863645, now seen corresponding path program 1 times
[2024-12-02 06:07:18,755 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:07:18,755 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327287456]
[2024-12-02 06:07:18,756 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:07:18,756 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:07:28,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:07:50,659 INFO  L134       CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:07:50,660 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:07:50,660 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327287456]
[2024-12-02 06:07:50,660 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327287456] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:07:50,660 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:07:50,661 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:07:50,661 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763779303]
[2024-12-02 06:07:50,661 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:07:50,667 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:07:50,667 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:07:50,672 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:07:50,672 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:07:50,674 INFO  L87              Difference]: Start difference. First operand 14621 states and 21926 transitions. Second operand  has 4 states, 4 states have (on average 1827.25) internal successors, (7309), 4 states have internal predecessors, (7309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:07:50,873 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:07:50,873 INFO  L93              Difference]: Finished difference Result 28298 states and 42438 transitions.
[2024-12-02 06:07:50,873 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:07:50,874 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1827.25) internal successors, (7309), 4 states have internal predecessors, (7309), 0 states have call successors, (0), 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 7309
[2024-12-02 06:07:50,875 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:07:50,884 INFO  L225             Difference]: With dead ends: 28298
[2024-12-02 06:07:50,884 INFO  L226             Difference]: Without dead ends: 14621
[2024-12-02 06:07:50,892 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:07:50,893 INFO  L435           NwaCegarLoop]: 21530 mSDtfsCounter, 21043 mSDsluCounter, 21528 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21043 SdHoareTripleChecker+Valid, 43058 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:07:50,893 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21043 Valid, 43058 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:07:50,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14621 states.
[2024-12-02 06:07:51,275 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14621 to 14621.
[2024-12-02 06:07:51,287 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14621 states, 14620 states have (on average 1.499658002735978) internal successors, (21925), 14620 states have internal predecessors, (21925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:07:51,300 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14621 states to 14621 states and 21925 transitions.
[2024-12-02 06:07:51,300 INFO  L78                 Accepts]: Start accepts. Automaton has 14621 states and 21925 transitions. Word has length 7309
[2024-12-02 06:07:51,301 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:07:51,301 INFO  L471      AbstractCegarLoop]: Abstraction has 14621 states and 21925 transitions.
[2024-12-02 06:07:51,302 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1827.25) internal successors, (7309), 4 states have internal predecessors, (7309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:07:51,302 INFO  L276                IsEmpty]: Start isEmpty. Operand 14621 states and 21925 transitions.
[2024-12-02 06:07:51,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7311
[2024-12-02 06:07:51,591 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:07:51,593 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 06:07:51,593 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 06:07:51,593 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:07:51,594 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:07:51,596 INFO  L85        PathProgramCache]: Analyzing trace with hash 331879118, now seen corresponding path program 1 times
[2024-12-02 06:07:51,596 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:07:51,596 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231053331]
[2024-12-02 06:07:51,597 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:07:51,597 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:08:02,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat