./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 798a7b37
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash 8e24bd3d387a8dc9f49a28dec971e10112e01621b85a87c6eb3a0cec4db0bef2
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-798a7b3-m
[2025-03-03 14:55:46,654 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-03 14:55:46,719 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2025-03-03 14:55:46,724 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-03 14:55:46,724 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-03 14:55:46,741 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-03 14:55:46,741 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-03 14:55:46,741 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-03 14:55:46,741 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-03 14:55:46,741 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-03 14:55:46,741 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-03 14:55:46,741 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-03 14:55:46,742 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-03 14:55:46,742 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * sizeof long=4
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * sizeof long double=12
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-03 14:55:46,742 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-03 14:55:46,743 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-03 14:55:46,743 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-03 14:55:46,743 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-03 14:55:46,743 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e24bd3d387a8dc9f49a28dec971e10112e01621b85a87c6eb3a0cec4db0bef2
[2025-03-03 14:55:46,966 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-03 14:55:46,976 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-03 14:55:46,979 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-03 14:55:46,980 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-03 14:55:46,980 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-03 14:55:46,982 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c
[2025-03-03 14:55:48,151 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1950183cf/4cf5e747b70644a99983fc911405e7fa/FLAG18c50d256
[2025-03-03 14:55:48,458 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-03 14:55:48,458 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c
[2025-03-03 14:55:48,478 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1950183cf/4cf5e747b70644a99983fc911405e7fa/FLAG18c50d256
[2025-03-03 14:55:48,493 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1950183cf/4cf5e747b70644a99983fc911405e7fa
[2025-03-03 14:55:48,495 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-03 14:55:48,496 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-03 14:55:48,498 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-03 14:55:48,498 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-03 14:55:48,501 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-03 14:55:48,502 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:55:48" (1/1) ...
[2025-03-03 14:55:48,502 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5597776f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:48, skipping insertion in model container
[2025-03-03 14:55:48,503 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:55:48" (1/1) ...
[2025-03-03 14:55:48,556 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-03 14:55:48,698 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c[2061,2074]
[2025-03-03 14:55:48,989 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-03 14:55:49,014 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-03 14:55:49,020 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug4.i","-S") [44]
[2025-03-03 14:55:49,027 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c[2061,2074]
[2025-03-03 14:55:49,196 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-03 14:55:49,229 INFO  L204         MainTranslator]: Completed translation
[2025-03-03 14:55:49,230 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49 WrapperNode
[2025-03-03 14:55:49,230 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-03 14:55:49,231 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-03 14:55:49,231 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-03 14:55:49,231 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-03 14:55:49,236 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,281 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,458 INFO  L138                Inliner]: procedures = 73, calls = 3160, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 6433
[2025-03-03 14:55:49,459 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-03 14:55:49,460 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-03 14:55:49,460 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-03 14:55:49,460 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-03 14:55:49,467 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,467 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,503 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,562 INFO  L175           MemorySlicer]: Split 2493 memory accesses to 32 slices as follows [8, 7, 8, 2, 4, 2, 50, 5, 3, 264, 272, 144, 112, 2, 57, 57, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105]. 11 percent of accesses are in the largest equivalence class. The 493 initializations are split as follows [0, 2, 0, 0, 0, 2, 0, 2, 1, 24, 24, 2, 2, 0, 1, 1, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27]. The 527 writes are split as follows [4, 3, 4, 1, 0, 0, 26, 1, 1, 24, 24, 2, 2, 1, 1, 1, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26].
[2025-03-03 14:55:49,562 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,562 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,711 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,722 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,743 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,762 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,794 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-03 14:55:49,795 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-03 14:55:49,795 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-03 14:55:49,795 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-03 14:55:49,797 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (1/1) ...
[2025-03-03 14:55:49,801 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-03 14:55:49,815 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 14:55:49,828 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-03-03 14:55:49,830 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-03-03 14:55:49,849 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-03 14:55:49,849 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward
[2025-03-03 14:55:49,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t2
[2025-03-03 14:55:49,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode
[2025-03-03 14:55:49,850 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#6
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#7
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#8
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#9
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#10
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#11
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#12
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#13
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#14
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#15
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#16
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#17
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#18
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#19
[2025-03-03 14:55:49,850 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#20
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#21
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#22
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#23
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#24
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#25
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#26
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#27
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#28
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#29
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#30
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#31
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t0
[2025-03-03 14:55:49,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t1
[2025-03-03 14:55:49,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority
[2025-03-03 14:55:49,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag
[2025-03-03 14:55:49,851 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#4
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#5
[2025-03-03 14:55:49,851 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#6
[2025-03-03 14:55:49,853 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#7
[2025-03-03 14:55:49,853 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#8
[2025-03-03 14:55:49,854 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#9
[2025-03-03 14:55:49,854 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#10
[2025-03-03 14:55:49,854 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#11
[2025-03-03 14:55:49,855 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#12
[2025-03-03 14:55:49,855 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#13
[2025-03-03 14:55:49,855 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#14
[2025-03-03 14:55:49,855 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#15
[2025-03-03 14:55:49,855 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#16
[2025-03-03 14:55:49,855 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#17
[2025-03-03 14:55:49,855 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#18
[2025-03-03 14:55:49,855 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#19
[2025-03-03 14:55:49,855 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#20
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#21
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#22
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#23
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#24
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#25
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#26
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#27
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#28
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#29
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#30
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#31
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_set_count
[2025-03-03 14:55:49,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor
[2025-03-03 14:55:49,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn
[2025-03-03 14:55:49,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority
[2025-03-03 14:55:49,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1
[2025-03-03 14:55:49,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2
[2025-03-03 14:55:49,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3
[2025-03-03 14:55:49,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#3
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#4
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#5
[2025-03-03 14:55:49,856 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#6
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#7
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#8
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#9
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#10
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#11
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#12
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#13
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#14
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#15
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#16
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#17
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#18
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#19
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#20
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#21
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#22
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#23
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#24
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#25
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#26
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#27
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#28
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#29
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#30
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#31
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure assert
[2025-03-03 14:55:49,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure assert
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed
[2025-03-03 14:55:49,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward
[2025-03-03 14:55:49,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward
[2025-03-03 14:55:49,857 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag
[2025-03-03 14:55:49,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag
[2025-03-03 14:55:49,860 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2025-03-03 14:55:49,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2025-03-03 14:55:49,860 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-03 14:55:49,860 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#4
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#5
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#6
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#7
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#8
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#9
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#10
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#11
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#12
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#13
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#14
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#15
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#16
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#17
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#18
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#19
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#20
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#21
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#22
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#23
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#24
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#25
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#26
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#27
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#28
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#29
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#30
[2025-03-03 14:55:49,861 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#31
[2025-03-03 14:55:49,865 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-03 14:55:49,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-03 14:55:49,865 INFO  L130     BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms
[2025-03-03 14:55:49,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms
[2025-03-03 14:55:49,865 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_get_count
[2025-03-03 14:55:49,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count
[2025-03-03 14:55:49,865 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode
[2025-03-03 14:55:49,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode
[2025-03-03 14:55:49,865 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn
[2025-03-03 14:55:49,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn
[2025-03-03 14:55:50,422 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-03 14:55:50,424 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-03 14:55:50,811 INFO  L1325  $ProcedureCfgBuilder]: dead code at ProgramPoint L240: call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset);havoc OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset;call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset);havoc OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset;
[2025-03-03 14:55:50,811 INFO  L1325  $ProcedureCfgBuilder]: dead code at ProgramPoint L101: call ULTIMATE.dealloc(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset);havoc balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset;call ULTIMATE.dealloc(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset);havoc balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset;
[2025-03-03 14:55:57,916 INFO  L?                        ?]: Removed 349 outVars from TransFormulas that were not future-live.
[2025-03-03 14:55:57,916 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-03 14:55:57,987 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-03 14:55:57,988 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-03 14:55:57,988 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:55:57 BoogieIcfgContainer
[2025-03-03 14:55:57,989 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-03 14:55:57,991 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-03 14:55:57,994 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-03 14:55:57,998 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-03 14:55:58,002 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:55:48" (1/3) ...
[2025-03-03 14:55:58,002 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b55e600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:55:58, skipping insertion in model container
[2025-03-03 14:55:58,002 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:49" (2/3) ...
[2025-03-03 14:55:58,002 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b55e600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:55:58, skipping insertion in model container
[2025-03-03 14:55:58,002 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:55:57" (3/3) ...
[2025-03-03 14:55:58,004 INFO  L128   eAbstractionObserver]: Analyzing ICFG rekcba_aso.4.M1.c
[2025-03-03 14:55:58,023 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-03 14:55:58,025 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.4.M1.c that has 24 procedures, 1636 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-03 14:55:58,112 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-03 14:55:58,123 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;@222778fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-03 14:55:58,123 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-03 14:55:58,132 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1636 states, 1016 states have (on average 1.2559055118110236) internal successors, (1276), 1048 states have internal predecessors, (1276), 595 states have call successors, (595), 23 states have call predecessors, (595), 23 states have return successors, (595), 592 states have call predecessors, (595), 595 states have call successors, (595)
[2025-03-03 14:55:58,224 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1659
[2025-03-03 14:55:58,225 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:55:58,226 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:55:58,226 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:55:58,230 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:55:58,231 INFO  L85        PathProgramCache]: Analyzing trace with hash 1047869283, now seen corresponding path program 1 times
[2025-03-03 14:55:58,237 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:55:58,237 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779667304]
[2025-03-03 14:55:58,238 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:55:58,238 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:56:00,109 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1658 statements into 1 equivalence classes.
[2025-03-03 14:56:00,261 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1658 of 1658 statements.
[2025-03-03 14:56:00,261 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:00,264 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:01,374 INFO  L134       CoverageAnalysis]: Checked inductivity of 115680 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 115200 trivial. 0 not checked.
[2025-03-03 14:56:01,374 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:56:01,374 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779667304]
[2025-03-03 14:56:01,375 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779667304] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-03 14:56:01,375 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320022097]
[2025-03-03 14:56:01,375 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:56:01,376 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-03 14:56:01,376 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 14:56:01,378 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-03 14:56:01,379 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-03-03 14:56:03,343 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1658 statements into 1 equivalence classes.
[2025-03-03 14:56:03,894 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1658 of 1658 statements.
[2025-03-03 14:56:03,894 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:03,894 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:03,925 INFO  L256         TraceCheckSpWp]: Trace formula consists of 6387 conjuncts, 1 conjuncts are in the unsatisfiable core
[2025-03-03 14:56:03,957 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-03 14:56:04,048 INFO  L134       CoverageAnalysis]: Checked inductivity of 115680 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 115200 trivial. 0 not checked.
[2025-03-03 14:56:04,048 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-03 14:56:04,048 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320022097] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:56:04,048 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-03 14:56:04,049 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2025-03-03 14:56:04,050 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087772968]
[2025-03-03 14:56:04,051 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:56:04,055 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-03-03 14:56:04,056 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:56:04,076 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-03-03 14:56:04,076 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-03-03 14:56:04,081 INFO  L87              Difference]: Start difference. First operand  has 1636 states, 1016 states have (on average 1.2559055118110236) internal successors, (1276), 1048 states have internal predecessors, (1276), 595 states have call successors, (595), 23 states have call predecessors, (595), 23 states have return successors, (595), 592 states have call predecessors, (595), 595 states have call successors, (595) Second operand  has 2 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 2 states have call successors, (241)
[2025-03-03 14:56:04,248 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:56:04,249 INFO  L93              Difference]: Finished difference Result 3267 states and 5493 transitions.
[2025-03-03 14:56:04,250 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-03-03 14:56:04,251 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 2 states have call successors, (241) Word has length 1658
[2025-03-03 14:56:04,251 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:56:04,282 INFO  L225             Difference]: With dead ends: 3267
[2025-03-03 14:56:04,282 INFO  L226             Difference]: Without dead ends: 1628
[2025-03-03 14:56:04,297 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 1659 GetRequests, 1659 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-03-03 14:56:04,299 INFO  L435           NwaCegarLoop]: 2464 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-03-03 14:56:04,300 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2464 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-03-03 14:56:04,313 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1628 states.
[2025-03-03 14:56:04,540 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1628.
[2025-03-03 14:56:04,544 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1628 states, 1009 states have (on average 1.2547076313181367) internal successors, (1266), 1041 states have internal predecessors, (1266), 595 states have call successors, (595), 23 states have call predecessors, (595), 23 states have return successors, (594), 591 states have call predecessors, (594), 594 states have call successors, (594)
[2025-03-03 14:56:04,558 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2455 transitions.
[2025-03-03 14:56:04,566 INFO  L78                 Accepts]: Start accepts. Automaton has 1628 states and 2455 transitions. Word has length 1658
[2025-03-03 14:56:04,566 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 14:56:04,566 INFO  L471      AbstractCegarLoop]: Abstraction has 1628 states and 2455 transitions.
[2025-03-03 14:56:04,567 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 2 states have call successors, (241)
[2025-03-03 14:56:04,567 INFO  L276                IsEmpty]: Start isEmpty. Operand 1628 states and 2455 transitions.
[2025-03-03 14:56:04,725 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1659
[2025-03-03 14:56:04,725 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:56:04,727 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:56:04,744 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2025-03-03 14:56:04,927 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2025-03-03 14:56:04,928 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:56:04,929 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:56:04,930 INFO  L85        PathProgramCache]: Analyzing trace with hash -423488526, now seen corresponding path program 1 times
[2025-03-03 14:56:04,930 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:56:04,930 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740922955]
[2025-03-03 14:56:04,930 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:56:04,930 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:56:06,348 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1658 statements into 1 equivalence classes.
[2025-03-03 14:56:07,730 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1658 of 1658 statements.
[2025-03-03 14:56:07,731 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:07,731 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:12,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 115680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115680 trivial. 0 not checked.
[2025-03-03 14:56:12,191 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:56:12,193 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740922955]
[2025-03-03 14:56:12,194 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740922955] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:56:12,194 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 14:56:12,194 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 14:56:12,194 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44216258]
[2025-03-03 14:56:12,194 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:56:12,198 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 14:56:12,199 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:56:12,200 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 14:56:12,200 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 14:56:12,201 INFO  L87              Difference]: Start difference. First operand 1628 states and 2455 transitions. Second operand  has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241)
[2025-03-03 14:56:12,635 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:56:12,636 INFO  L93              Difference]: Finished difference Result 2469 states and 3719 transitions.
[2025-03-03 14:56:12,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 14:56:12,637 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241) Word has length 1658
[2025-03-03 14:56:12,640 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:56:12,655 INFO  L225             Difference]: With dead ends: 2469
[2025-03-03 14:56:12,655 INFO  L226             Difference]: Without dead ends: 2467
[2025-03-03 14:56:12,657 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2025-03-03 14:56:12,657 INFO  L435           NwaCegarLoop]: 2442 mSDtfsCounter, 1769 mSDsluCounter, 8487 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 10929 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-03-03 14:56:12,658 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 10929 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-03-03 14:56:12,660 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2467 states.
[2025-03-03 14:56:12,873 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2465.
[2025-03-03 14:56:12,878 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2465 states, 1485 states have (on average 1.2255892255892256) internal successors, (1820), 1544 states have internal predecessors, (1820), 937 states have call successors, (937), 42 states have call predecessors, (937), 42 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959)
[2025-03-03 14:56:12,890 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3716 transitions.
[2025-03-03 14:56:12,893 INFO  L78                 Accepts]: Start accepts. Automaton has 2465 states and 3716 transitions. Word has length 1658
[2025-03-03 14:56:12,896 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 14:56:12,896 INFO  L471      AbstractCegarLoop]: Abstraction has 2465 states and 3716 transitions.
[2025-03-03 14:56:12,896 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241)
[2025-03-03 14:56:12,896 INFO  L276                IsEmpty]: Start isEmpty. Operand 2465 states and 3716 transitions.
[2025-03-03 14:56:12,927 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1665
[2025-03-03 14:56:12,928 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:56:12,928 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:56:12,928 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-03 14:56:12,929 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:56:12,929 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:56:12,930 INFO  L85        PathProgramCache]: Analyzing trace with hash -323229647, now seen corresponding path program 1 times
[2025-03-03 14:56:12,930 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:56:12,930 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3263150]
[2025-03-03 14:56:12,930 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:56:12,930 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:56:14,048 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1664 statements into 1 equivalence classes.
[2025-03-03 14:56:15,056 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1664 of 1664 statements.
[2025-03-03 14:56:15,056 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:15,056 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:18,009 INFO  L134       CoverageAnalysis]: Checked inductivity of 115682 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115680 trivial. 0 not checked.
[2025-03-03 14:56:18,009 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:56:18,009 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3263150]
[2025-03-03 14:56:18,009 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3263150] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:56:18,009 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 14:56:18,010 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 14:56:18,010 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754217470]
[2025-03-03 14:56:18,010 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:56:18,011 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 14:56:18,012 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:56:18,013 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 14:56:18,013 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 14:56:18,013 INFO  L87              Difference]: Start difference. First operand 2465 states and 3716 transitions. Second operand  has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242)
[2025-03-03 14:56:18,432 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:56:18,433 INFO  L93              Difference]: Finished difference Result 2473 states and 3722 transitions.
[2025-03-03 14:56:18,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 14:56:18,434 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242) Word has length 1664
[2025-03-03 14:56:18,439 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:56:18,454 INFO  L225             Difference]: With dead ends: 2473
[2025-03-03 14:56:18,454 INFO  L226             Difference]: Without dead ends: 2471
[2025-03-03 14:56:18,456 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2025-03-03 14:56:18,457 INFO  L435           NwaCegarLoop]: 2445 mSDtfsCounter, 1764 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-03-03 14:56:18,457 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-03-03 14:56:18,461 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2471 states.
[2025-03-03 14:56:18,649 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 2469.
[2025-03-03 14:56:18,652 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2469 states, 1488 states have (on average 1.2251344086021505) internal successors, (1823), 1547 states have internal predecessors, (1823), 937 states have call successors, (937), 43 states have call predecessors, (937), 43 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959)
[2025-03-03 14:56:18,662 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2469 states and 3719 transitions.
[2025-03-03 14:56:18,665 INFO  L78                 Accepts]: Start accepts. Automaton has 2469 states and 3719 transitions. Word has length 1664
[2025-03-03 14:56:18,667 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 14:56:18,667 INFO  L471      AbstractCegarLoop]: Abstraction has 2469 states and 3719 transitions.
[2025-03-03 14:56:18,668 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242)
[2025-03-03 14:56:18,668 INFO  L276                IsEmpty]: Start isEmpty. Operand 2469 states and 3719 transitions.
[2025-03-03 14:56:18,695 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1671
[2025-03-03 14:56:18,695 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:56:18,696 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:56:18,696 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-03 14:56:18,696 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:56:18,697 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:56:18,697 INFO  L85        PathProgramCache]: Analyzing trace with hash 2116585522, now seen corresponding path program 1 times
[2025-03-03 14:56:18,697 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:56:18,697 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530871108]
[2025-03-03 14:56:18,698 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:56:18,698 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:56:20,238 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1670 statements into 1 equivalence classes.
[2025-03-03 14:56:21,012 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1670 of 1670 statements.
[2025-03-03 14:56:21,012 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:21,012 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:23,862 INFO  L134       CoverageAnalysis]: Checked inductivity of 115688 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115684 trivial. 0 not checked.
[2025-03-03 14:56:23,862 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:56:23,863 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530871108]
[2025-03-03 14:56:23,863 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530871108] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:56:23,863 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 14:56:23,864 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 14:56:23,864 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19288198]
[2025-03-03 14:56:23,864 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:56:23,865 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 14:56:23,866 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:56:23,866 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 14:56:23,867 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 14:56:23,868 INFO  L87              Difference]: Start difference. First operand 2469 states and 3719 transitions. Second operand  has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243)
[2025-03-03 14:56:24,270 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:56:24,270 INFO  L93              Difference]: Finished difference Result 2477 states and 3725 transitions.
[2025-03-03 14:56:24,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 14:56:24,271 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243) Word has length 1670
[2025-03-03 14:56:24,273 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:56:24,289 INFO  L225             Difference]: With dead ends: 2477
[2025-03-03 14:56:24,289 INFO  L226             Difference]: Without dead ends: 2475
[2025-03-03 14:56:24,292 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2025-03-03 14:56:24,294 INFO  L435           NwaCegarLoop]: 2445 mSDtfsCounter, 1762 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2025-03-03 14:56:24,295 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2025-03-03 14:56:24,299 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2475 states.
[2025-03-03 14:56:24,498 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2475 to 2473.
[2025-03-03 14:56:24,506 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2473 states, 1491 states have (on average 1.2246814218645206) internal successors, (1826), 1550 states have internal predecessors, (1826), 937 states have call successors, (937), 44 states have call predecessors, (937), 44 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959)
[2025-03-03 14:56:24,518 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3722 transitions.
[2025-03-03 14:56:24,523 INFO  L78                 Accepts]: Start accepts. Automaton has 2473 states and 3722 transitions. Word has length 1670
[2025-03-03 14:56:24,526 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 14:56:24,526 INFO  L471      AbstractCegarLoop]: Abstraction has 2473 states and 3722 transitions.
[2025-03-03 14:56:24,527 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243)
[2025-03-03 14:56:24,528 INFO  L276                IsEmpty]: Start isEmpty. Operand 2473 states and 3722 transitions.
[2025-03-03 14:56:24,554 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1677
[2025-03-03 14:56:24,554 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:56:24,555 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:56:24,556 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-03 14:56:24,556 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:56:24,557 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:56:24,557 INFO  L85        PathProgramCache]: Analyzing trace with hash 1694276213, now seen corresponding path program 1 times
[2025-03-03 14:56:24,557 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:56:24,557 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746632498]
[2025-03-03 14:56:24,557 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:56:24,557 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:56:25,645 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1676 statements into 1 equivalence classes.
[2025-03-03 14:56:26,394 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1676 of 1676 statements.
[2025-03-03 14:56:26,395 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:26,395 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:29,557 INFO  L134       CoverageAnalysis]: Checked inductivity of 115698 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 115692 trivial. 0 not checked.
[2025-03-03 14:56:29,557 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:56:29,557 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746632498]
[2025-03-03 14:56:29,558 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746632498] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:56:29,558 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 14:56:29,558 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 14:56:29,558 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050818653]
[2025-03-03 14:56:29,558 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:56:29,559 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 14:56:29,559 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:56:29,560 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 14:56:29,560 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 14:56:29,560 INFO  L87              Difference]: Start difference. First operand 2473 states and 3722 transitions. Second operand  has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244)
[2025-03-03 14:56:29,925 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:56:29,925 INFO  L93              Difference]: Finished difference Result 2481 states and 3728 transitions.
[2025-03-03 14:56:29,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 14:56:29,926 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244) Word has length 1676
[2025-03-03 14:56:29,933 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:56:29,947 INFO  L225             Difference]: With dead ends: 2481
[2025-03-03 14:56:29,947 INFO  L226             Difference]: Without dead ends: 2479
[2025-03-03 14:56:29,948 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2025-03-03 14:56:29,950 INFO  L435           NwaCegarLoop]: 2445 mSDtfsCounter, 1760 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-03-03 14:56:29,950 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-03-03 14:56:29,953 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2479 states.
[2025-03-03 14:56:30,151 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2477.
[2025-03-03 14:56:30,154 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2477 states, 1494 states have (on average 1.2242302543507362) internal successors, (1829), 1553 states have internal predecessors, (1829), 937 states have call successors, (937), 45 states have call predecessors, (937), 45 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959)
[2025-03-03 14:56:30,163 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3725 transitions.
[2025-03-03 14:56:30,167 INFO  L78                 Accepts]: Start accepts. Automaton has 2477 states and 3725 transitions. Word has length 1676
[2025-03-03 14:56:30,168 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 14:56:30,168 INFO  L471      AbstractCegarLoop]: Abstraction has 2477 states and 3725 transitions.
[2025-03-03 14:56:30,169 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244)
[2025-03-03 14:56:30,169 INFO  L276                IsEmpty]: Start isEmpty. Operand 2477 states and 3725 transitions.
[2025-03-03 14:56:30,192 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1683
[2025-03-03 14:56:30,192 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:56:30,193 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:56:30,193 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-03 14:56:30,193 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:56:30,195 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:56:30,195 INFO  L85        PathProgramCache]: Analyzing trace with hash -508172934, now seen corresponding path program 1 times
[2025-03-03 14:56:30,195 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:56:30,195 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353839411]
[2025-03-03 14:56:30,195 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:56:30,195 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:56:31,325 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1682 statements into 1 equivalence classes.
[2025-03-03 14:56:32,603 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1682 of 1682 statements.
[2025-03-03 14:56:32,603 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:32,604 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:35,812 INFO  L134       CoverageAnalysis]: Checked inductivity of 115712 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 115704 trivial. 0 not checked.
[2025-03-03 14:56:35,812 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:56:35,812 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353839411]
[2025-03-03 14:56:35,812 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353839411] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:56:35,812 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 14:56:35,812 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 14:56:35,812 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306176503]
[2025-03-03 14:56:35,812 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:56:35,813 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 14:56:35,813 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:56:35,814 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 14:56:35,814 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 14:56:35,814 INFO  L87              Difference]: Start difference. First operand 2477 states and 3725 transitions. Second operand  has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245)
[2025-03-03 14:56:36,169 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:56:36,169 INFO  L93              Difference]: Finished difference Result 2485 states and 3731 transitions.
[2025-03-03 14:56:36,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 14:56:36,170 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245) Word has length 1682
[2025-03-03 14:56:36,172 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:56:36,186 INFO  L225             Difference]: With dead ends: 2485
[2025-03-03 14:56:36,186 INFO  L226             Difference]: Without dead ends: 2483
[2025-03-03 14:56:36,188 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2025-03-03 14:56:36,188 INFO  L435           NwaCegarLoop]: 2445 mSDtfsCounter, 1758 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-03-03 14:56:36,189 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-03-03 14:56:36,191 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2483 states.
[2025-03-03 14:56:36,396 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2481.
[2025-03-03 14:56:36,399 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2481 states, 1497 states have (on average 1.2237808951235805) internal successors, (1832), 1556 states have internal predecessors, (1832), 937 states have call successors, (937), 46 states have call predecessors, (937), 46 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959)
[2025-03-03 14:56:36,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 3728 transitions.
[2025-03-03 14:56:36,411 INFO  L78                 Accepts]: Start accepts. Automaton has 2481 states and 3728 transitions. Word has length 1682
[2025-03-03 14:56:36,413 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 14:56:36,413 INFO  L471      AbstractCegarLoop]: Abstraction has 2481 states and 3728 transitions.
[2025-03-03 14:56:36,413 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245)
[2025-03-03 14:56:36,413 INFO  L276                IsEmpty]: Start isEmpty. Operand 2481 states and 3728 transitions.
[2025-03-03 14:56:36,436 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1689
[2025-03-03 14:56:36,436 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:56:36,437 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:56:36,437 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-03 14:56:36,437 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:56:36,438 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:56:36,438 INFO  L85        PathProgramCache]: Analyzing trace with hash -1476177983, now seen corresponding path program 1 times
[2025-03-03 14:56:36,438 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:56:36,438 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091892085]
[2025-03-03 14:56:36,438 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:56:36,438 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:56:37,532 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1688 statements into 1 equivalence classes.
[2025-03-03 14:56:38,297 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1688 of 1688 statements.
[2025-03-03 14:56:38,298 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:38,298 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:41,458 INFO  L134       CoverageAnalysis]: Checked inductivity of 115730 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 115720 trivial. 0 not checked.
[2025-03-03 14:56:41,458 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:56:41,458 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091892085]
[2025-03-03 14:56:41,458 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091892085] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:56:41,458 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 14:56:41,459 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 14:56:41,459 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982139063]
[2025-03-03 14:56:41,459 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:56:41,460 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 14:56:41,460 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:56:41,461 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 14:56:41,461 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 14:56:41,461 INFO  L87              Difference]: Start difference. First operand 2481 states and 3728 transitions. Second operand  has 6 states, 5 states have (on average 92.6) internal successors, (463), 5 states have internal predecessors, (463), 2 states have call successors, (247), 2 states have call predecessors, (247), 1 states have return successors, (246), 1 states have call predecessors, (246), 1 states have call successors, (246)
[2025-03-03 14:56:41,790 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:56:41,790 INFO  L93              Difference]: Finished difference Result 2489 states and 3734 transitions.
[2025-03-03 14:56:41,790 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 14:56:41,791 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 92.6) internal successors, (463), 5 states have internal predecessors, (463), 2 states have call successors, (247), 2 states have call predecessors, (247), 1 states have return successors, (246), 1 states have call predecessors, (246), 1 states have call successors, (246) Word has length 1688
[2025-03-03 14:56:41,793 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:56:41,806 INFO  L225             Difference]: With dead ends: 2489
[2025-03-03 14:56:41,806 INFO  L226             Difference]: Without dead ends: 2487
[2025-03-03 14:56:41,807 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2025-03-03 14:56:41,808 INFO  L435           NwaCegarLoop]: 2445 mSDtfsCounter, 1756 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-03-03 14:56:41,809 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-03-03 14:56:41,812 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2487 states.
[2025-03-03 14:56:42,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2485.
[2025-03-03 14:56:42,018 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2485 states, 1500 states have (on average 1.2233333333333334) internal successors, (1835), 1559 states have internal predecessors, (1835), 937 states have call successors, (937), 47 states have call predecessors, (937), 47 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959)
[2025-03-03 14:56:42,061 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3731 transitions.
[2025-03-03 14:56:42,063 INFO  L78                 Accepts]: Start accepts. Automaton has 2485 states and 3731 transitions. Word has length 1688
[2025-03-03 14:56:42,065 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 14:56:42,066 INFO  L471      AbstractCegarLoop]: Abstraction has 2485 states and 3731 transitions.
[2025-03-03 14:56:42,066 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 92.6) internal successors, (463), 5 states have internal predecessors, (463), 2 states have call successors, (247), 2 states have call predecessors, (247), 1 states have return successors, (246), 1 states have call predecessors, (246), 1 states have call successors, (246)
[2025-03-03 14:56:42,066 INFO  L276                IsEmpty]: Start isEmpty. Operand 2485 states and 3731 transitions.
[2025-03-03 14:56:42,086 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1695
[2025-03-03 14:56:42,086 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:56:42,087 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:56:42,087 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-03 14:56:42,087 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:56:42,088 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:56:42,088 INFO  L85        PathProgramCache]: Analyzing trace with hash -1116938294, now seen corresponding path program 1 times
[2025-03-03 14:56:42,088 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:56:42,089 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521402871]
[2025-03-03 14:56:42,089 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:56:42,089 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:56:43,194 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1694 statements into 1 equivalence classes.
[2025-03-03 14:56:43,921 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1694 of 1694 statements.
[2025-03-03 14:56:43,922 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:43,922 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:47,514 INFO  L134       CoverageAnalysis]: Checked inductivity of 115752 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 115740 trivial. 0 not checked.
[2025-03-03 14:56:47,514 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:56:47,514 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521402871]
[2025-03-03 14:56:47,514 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521402871] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:56:47,514 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 14:56:47,514 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 14:56:47,514 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761452458]
[2025-03-03 14:56:47,514 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:56:47,515 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 14:56:47,515 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:56:47,516 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 14:56:47,516 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 14:56:47,516 INFO  L87              Difference]: Start difference. First operand 2485 states and 3731 transitions. Second operand  has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 2 states have call successors, (248), 2 states have call predecessors, (248), 1 states have return successors, (247), 1 states have call predecessors, (247), 1 states have call successors, (247)
[2025-03-03 14:56:47,851 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:56:47,851 INFO  L93              Difference]: Finished difference Result 2493 states and 3737 transitions.
[2025-03-03 14:56:47,851 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 14:56:47,852 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 2 states have call successors, (248), 2 states have call predecessors, (248), 1 states have return successors, (247), 1 states have call predecessors, (247), 1 states have call successors, (247) Word has length 1694
[2025-03-03 14:56:47,854 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:56:47,871 INFO  L225             Difference]: With dead ends: 2493
[2025-03-03 14:56:47,872 INFO  L226             Difference]: Without dead ends: 2491
[2025-03-03 14:56:47,873 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2025-03-03 14:56:47,874 INFO  L435           NwaCegarLoop]: 2445 mSDtfsCounter, 1754 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-03-03 14:56:47,874 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-03-03 14:56:47,877 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2491 states.
[2025-03-03 14:56:48,097 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 2489.
[2025-03-03 14:56:48,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2489 states, 1503 states have (on average 1.2228875582168994) internal successors, (1838), 1562 states have internal predecessors, (1838), 937 states have call successors, (937), 48 states have call predecessors, (937), 48 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959)
[2025-03-03 14:56:48,108 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 3734 transitions.
[2025-03-03 14:56:48,111 INFO  L78                 Accepts]: Start accepts. Automaton has 2489 states and 3734 transitions. Word has length 1694
[2025-03-03 14:56:48,112 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 14:56:48,112 INFO  L471      AbstractCegarLoop]: Abstraction has 2489 states and 3734 transitions.
[2025-03-03 14:56:48,112 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 2 states have call successors, (248), 2 states have call predecessors, (248), 1 states have return successors, (247), 1 states have call predecessors, (247), 1 states have call successors, (247)
[2025-03-03 14:56:48,113 INFO  L276                IsEmpty]: Start isEmpty. Operand 2489 states and 3734 transitions.
[2025-03-03 14:56:48,133 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1701
[2025-03-03 14:56:48,134 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:56:48,134 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:56:48,135 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-03-03 14:56:48,135 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:56:48,135 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:56:48,136 INFO  L85        PathProgramCache]: Analyzing trace with hash -1174684651, now seen corresponding path program 1 times
[2025-03-03 14:56:48,136 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:56:48,136 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515065141]
[2025-03-03 14:56:48,136 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:56:48,136 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:56:49,201 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1700 statements into 1 equivalence classes.
[2025-03-03 14:56:49,955 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1700 of 1700 statements.
[2025-03-03 14:56:49,956 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:49,956 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:53,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 115778 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 115764 trivial. 0 not checked.
[2025-03-03 14:56:53,575 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:56:53,575 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515065141]
[2025-03-03 14:56:53,575 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515065141] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:56:53,575 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 14:56:53,576 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 14:56:53,576 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091856939]
[2025-03-03 14:56:53,576 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:56:53,577 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 14:56:53,577 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:56:53,577 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 14:56:53,577 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 14:56:53,578 INFO  L87              Difference]: Start difference. First operand 2489 states and 3734 transitions. Second operand  has 6 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 2 states have call successors, (249), 2 states have call predecessors, (249), 1 states have return successors, (248), 1 states have call predecessors, (248), 1 states have call successors, (248)
[2025-03-03 14:56:53,925 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:56:53,925 INFO  L93              Difference]: Finished difference Result 2497 states and 3740 transitions.
[2025-03-03 14:56:53,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 14:56:53,926 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 2 states have call successors, (249), 2 states have call predecessors, (249), 1 states have return successors, (248), 1 states have call predecessors, (248), 1 states have call successors, (248) Word has length 1700
[2025-03-03 14:56:53,927 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:56:53,940 INFO  L225             Difference]: With dead ends: 2497
[2025-03-03 14:56:53,940 INFO  L226             Difference]: Without dead ends: 2495
[2025-03-03 14:56:53,941 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2025-03-03 14:56:53,944 INFO  L435           NwaCegarLoop]: 2445 mSDtfsCounter, 1752 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-03-03 14:56:53,944 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1752 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-03-03 14:56:53,947 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2495 states.
[2025-03-03 14:56:54,184 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2493.
[2025-03-03 14:56:54,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2493 states, 1506 states have (on average 1.2224435590969456) internal successors, (1841), 1565 states have internal predecessors, (1841), 937 states have call successors, (937), 49 states have call predecessors, (937), 49 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959)
[2025-03-03 14:56:54,197 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3737 transitions.
[2025-03-03 14:56:54,200 INFO  L78                 Accepts]: Start accepts. Automaton has 2493 states and 3737 transitions. Word has length 1700
[2025-03-03 14:56:54,202 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 14:56:54,202 INFO  L471      AbstractCegarLoop]: Abstraction has 2493 states and 3737 transitions.
[2025-03-03 14:56:54,202 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 2 states have call successors, (249), 2 states have call predecessors, (249), 1 states have return successors, (248), 1 states have call predecessors, (248), 1 states have call successors, (248)
[2025-03-03 14:56:54,202 INFO  L276                IsEmpty]: Start isEmpty. Operand 2493 states and 3737 transitions.
[2025-03-03 14:56:54,223 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1707
[2025-03-03 14:56:54,224 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:56:54,224 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:56:54,225 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-03-03 14:56:54,225 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:56:54,227 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:56:54,227 INFO  L85        PathProgramCache]: Analyzing trace with hash -354276574, now seen corresponding path program 1 times
[2025-03-03 14:56:54,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:56:54,228 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775294273]
[2025-03-03 14:56:54,229 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:56:54,229 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:56:55,270 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1706 statements into 1 equivalence classes.
[2025-03-03 14:56:55,981 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1706 of 1706 statements.
[2025-03-03 14:56:55,981 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:56:55,981 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:56:59,648 INFO  L134       CoverageAnalysis]: Checked inductivity of 115808 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 115792 trivial. 0 not checked.
[2025-03-03 14:56:59,649 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:56:59,649 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775294273]
[2025-03-03 14:56:59,649 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775294273] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:56:59,649 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 14:56:59,649 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 14:56:59,649 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216834678]
[2025-03-03 14:56:59,649 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:56:59,650 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 14:56:59,650 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:56:59,651 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 14:56:59,651 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 14:56:59,651 INFO  L87              Difference]: Start difference. First operand 2493 states and 3737 transitions. Second operand  has 6 states, 5 states have (on average 93.2) internal successors, (466), 5 states have internal predecessors, (466), 2 states have call successors, (250), 2 states have call predecessors, (250), 1 states have return successors, (249), 1 states have call predecessors, (249), 1 states have call successors, (249)
[2025-03-03 14:56:59,994 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:56:59,994 INFO  L93              Difference]: Finished difference Result 2501 states and 3743 transitions.
[2025-03-03 14:56:59,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 14:56:59,994 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 93.2) internal successors, (466), 5 states have internal predecessors, (466), 2 states have call successors, (250), 2 states have call predecessors, (250), 1 states have return successors, (249), 1 states have call predecessors, (249), 1 states have call successors, (249) Word has length 1706
[2025-03-03 14:56:59,996 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:57:00,012 INFO  L225             Difference]: With dead ends: 2501
[2025-03-03 14:57:00,012 INFO  L226             Difference]: Without dead ends: 2499
[2025-03-03 14:57:00,017 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2025-03-03 14:57:00,018 INFO  L435           NwaCegarLoop]: 2445 mSDtfsCounter, 1750 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1750 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-03-03 14:57:00,019 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1750 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-03-03 14:57:00,022 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2499 states.
[2025-03-03 14:57:00,269 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2499 to 2497.
[2025-03-03 14:57:00,272 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2497 states, 1509 states have (on average 1.222001325381047) internal successors, (1844), 1568 states have internal predecessors, (1844), 937 states have call successors, (937), 50 states have call predecessors, (937), 50 states have return successors, (959), 930 states have call predecessors, (959), 935 states have call successors, (959)
[2025-03-03 14:57:00,279 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3740 transitions.
[2025-03-03 14:57:00,282 INFO  L78                 Accepts]: Start accepts. Automaton has 2497 states and 3740 transitions. Word has length 1706
[2025-03-03 14:57:00,283 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 14:57:00,283 INFO  L471      AbstractCegarLoop]: Abstraction has 2497 states and 3740 transitions.
[2025-03-03 14:57:00,284 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 93.2) internal successors, (466), 5 states have internal predecessors, (466), 2 states have call successors, (250), 2 states have call predecessors, (250), 1 states have return successors, (249), 1 states have call predecessors, (249), 1 states have call successors, (249)
[2025-03-03 14:57:00,284 INFO  L276                IsEmpty]: Start isEmpty. Operand 2497 states and 3740 transitions.
[2025-03-03 14:57:00,304 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1713
[2025-03-03 14:57:00,304 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 14:57:00,305 INFO  L218           NwaCegarLoop]: trace histogram [241, 241, 241, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 14:57:00,305 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-03-03 14:57:00,305 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 14:57:00,306 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 14:57:00,306 INFO  L85        PathProgramCache]: Analyzing trace with hash -685534351, now seen corresponding path program 1 times
[2025-03-03 14:57:00,306 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 14:57:00,306 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566133107]
[2025-03-03 14:57:00,307 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 14:57:00,307 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 14:57:01,394 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1712 statements into 1 equivalence classes.
[2025-03-03 14:57:02,131 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1712 of 1712 statements.
[2025-03-03 14:57:02,131 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 14:57:02,131 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 14:57:05,919 INFO  L134       CoverageAnalysis]: Checked inductivity of 115842 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 115824 trivial. 0 not checked.
[2025-03-03 14:57:05,919 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 14:57:05,919 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566133107]
[2025-03-03 14:57:05,919 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566133107] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 14:57:05,919 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 14:57:05,919 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 14:57:05,920 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29315011]
[2025-03-03 14:57:05,920 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 14:57:05,921 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 14:57:05,921 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 14:57:05,921 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 14:57:05,921 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 14:57:05,922 INFO  L87              Difference]: Start difference. First operand 2497 states and 3740 transitions. Second operand  has 6 states, 5 states have (on average 93.4) internal successors, (467), 5 states have internal predecessors, (467), 2 states have call successors, (251), 2 states have call predecessors, (251), 1 states have return successors, (250), 1 states have call predecessors, (250), 1 states have call successors, (250)
[2025-03-03 14:57:06,242 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 14:57:06,242 INFO  L93              Difference]: Finished difference Result 2505 states and 3746 transitions.
[2025-03-03 14:57:06,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-03 14:57:06,243 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 93.4) internal successors, (467), 5 states have internal predecessors, (467), 2 states have call successors, (251), 2 states have call predecessors, (251), 1 states have return successors, (250), 1 states have call predecessors, (250), 1 states have call successors, (250) Word has length 1712
[2025-03-03 14:57:06,245 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 14:57:06,260 INFO  L225             Difference]: With dead ends: 2505
[2025-03-03 14:57:06,263 INFO  L226             Difference]: Without dead ends: 2503
[2025-03-03 14:57:06,265 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2025-03-03 14:57:06,265 INFO  L435           NwaCegarLoop]: 2445 mSDtfsCounter, 1748 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-03-03 14:57:06,266 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 10936 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-03-03 14:57:06,268 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2503 states.