./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version c00e63dc
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 17a6dd75e60112a7f7af78ca3548f5d14d93f1e305c1fc4e0acf996889e6f17b
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-c00e63d-m
[2025-02-05 16:23:08,792 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-02-05 16:23:08,831 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2025-02-05 16:23:08,837 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-02-05 16:23:08,838 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-02-05 16:23:08,864 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-02-05 16:23:08,865 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-02-05 16:23:08,865 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-02-05 16:23:08,865 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-02-05 16:23:08,865 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-02-05 16:23:08,866 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-02-05 16:23:08,866 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-02-05 16:23:08,867 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-02-05 16:23:08,867 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-02-05 16:23:08,867 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-02-05 16:23:08,868 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-02-05 16:23:08,868 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-02-05 16:23:08,868 INFO  L153        SettingsManager]:  * sizeof long=4
[2025-02-05 16:23:08,868 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-02-05 16:23:08,868 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2025-02-05 16:23:08,868 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * sizeof long double=12
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-02-05 16:23:08,869 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-02-05 16:23:08,869 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-05 16:23:08,870 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-02-05 16:23:08,870 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-02-05 16:23:08,870 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-02-05 16:23:08,870 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-02-05 16:23:08,870 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-02-05 16:23:08,870 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-02-05 16:23:08,870 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-02-05 16:23:08,870 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-02-05 16:23:08,871 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-02-05 16:23:08,871 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-02-05 16:23:08,871 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-jdk21/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 -> 17a6dd75e60112a7f7af78ca3548f5d14d93f1e305c1fc4e0acf996889e6f17b
[2025-02-05 16:23:09,106 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-02-05 16:23:09,115 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-02-05 16:23:09,116 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-02-05 16:23:09,120 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-02-05 16:23:09,121 INFO  L274        PluginConnector]: CDTParser initialized
[2025-02-05 16:23:09,122 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c
[2025-02-05 16:23:10,314 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6ad97b4c/ad3f12fc2c5743638221a75b22b152e5/FLAG74702decd
[2025-02-05 16:23:10,904 INFO  L384              CDTParser]: Found 1 translation units.
[2025-02-05 16:23:10,905 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c
[2025-02-05 16:23:10,954 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6ad97b4c/ad3f12fc2c5743638221a75b22b152e5/FLAG74702decd
[2025-02-05 16:23:10,970 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6ad97b4c/ad3f12fc2c5743638221a75b22b152e5
[2025-02-05 16:23:10,974 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-02-05 16:23:10,975 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-02-05 16:23:10,978 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-02-05 16:23:10,978 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-02-05 16:23:10,982 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-02-05 16:23:10,985 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 04:23:10" (1/1) ...
[2025-02-05 16:23:10,986 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3466a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:10, skipping insertion in model container
[2025-02-05 16:23:10,986 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 04:23:10" (1/1) ...
[2025-02-05 16:23:11,092 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-02-05 16:23:11,333 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c[2275,2288]
[2025-02-05 16:23:12,312 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-05 16:23:12,346 INFO  L200         MainTranslator]: Completed pre-run
[2025-02-05 16:23:12,352 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok3.i","-S") [51]
[2025-02-05 16:23:12,360 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c[2275,2288]
[2025-02-05 16:23:13,103 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-05 16:23:13,147 INFO  L204         MainTranslator]: Completed translation
[2025-02-05 16:23:13,147 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13 WrapperNode
[2025-02-05 16:23:13,148 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-02-05 16:23:13,149 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-02-05 16:23:13,150 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-02-05 16:23:13,150 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-02-05 16:23:13,155 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:13,433 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:14,957 INFO  L138                Inliner]: procedures = 63, calls = 19692, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 42452
[2025-02-05 16:23:14,958 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-02-05 16:23:14,959 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-02-05 16:23:14,959 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-02-05 16:23:14,960 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-02-05 16:23:14,967 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:14,968 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:15,531 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:15,803 INFO  L175           MemorySlicer]: Split 15291 memory accesses to 22 slices as follows [2, 194, 17, 9, 2, 2784, 3812, 2400, 2, 1676, 1252, 852, 8, 325, 429, 325, 429, 4, 325, 429, 7, 8]. 25 percent of accesses are in the largest equivalence class. The 880 initializations are split as follows [2, 0, 8, 4, 0, 96, 96, 8, 0, 8, 4, 4, 0, 108, 108, 108, 108, 0, 108, 108, 2, 0]. The 977 writes are split as follows [0, 98, 1, 1, 1, 96, 96, 8, 1, 8, 4, 4, 4, 109, 107, 109, 107, 0, 109, 107, 3, 4].
[2025-02-05 16:23:15,803 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:15,803 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:16,857 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:16,918 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:17,039 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:17,111 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:17,330 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-02-05 16:23:17,332 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-02-05 16:23:17,332 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-02-05 16:23:17,332 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-02-05 16:23:17,333 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (1/1) ...
[2025-02-05 16:23:17,337 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-05 16:23:17,347 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-05 16:23:17,359 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-02-05 16:23:17,363 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t2
[2025-02-05 16:23:17,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode
[2025-02-05 16:23:17,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#6
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#7
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#8
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#9
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#10
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#11
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#12
[2025-02-05 16:23:17,379 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#13
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#14
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#15
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#16
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#17
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#18
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#19
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#20
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#21
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t0
[2025-02-05 16:23:17,380 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t1
[2025-02-05 16:23:17,380 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag
[2025-02-05 16:23:17,380 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag
[2025-02-05 16:23:17,380 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#4
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#5
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#6
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#7
[2025-02-05 16:23:17,380 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#8
[2025-02-05 16:23:17,382 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#9
[2025-02-05 16:23:17,382 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#10
[2025-02-05 16:23:17,382 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#11
[2025-02-05 16:23:17,382 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#12
[2025-02-05 16:23:17,382 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#13
[2025-02-05 16:23:17,382 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#14
[2025-02-05 16:23:17,383 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#15
[2025-02-05 16:23:17,383 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#16
[2025-02-05 16:23:17,383 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#17
[2025-02-05 16:23:17,383 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#18
[2025-02-05 16:23:17,383 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#19
[2025-02-05 16:23:17,383 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#20
[2025-02-05 16:23:17,383 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#21
[2025-02-05 16:23:17,383 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_set_count
[2025-02-05 16:23:17,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count
[2025-02-05 16:23:17,383 INFO  L130     BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor
[2025-02-05 16:23:17,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor
[2025-02-05 16:23:17,383 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1
[2025-02-05 16:23:17,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2
[2025-02-05 16:23:17,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background
[2025-02-05 16:23:17,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#3
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#4
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#5
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#6
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#7
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#8
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#9
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#10
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#11
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#12
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#13
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#14
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#15
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#16
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#17
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#18
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#19
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#20
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#21
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure assert
[2025-02-05 16:23:17,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure assert
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed
[2025-02-05 16:23:17,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag
[2025-02-05 16:23:17,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2025-02-05 16:23:17,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2025-02-05 16:23:17,384 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#4
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#5
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#6
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#7
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#8
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#9
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#10
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#11
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#12
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#13
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#14
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#15
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#16
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#17
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#18
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#19
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#20
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#21
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-02-05 16:23:17,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms
[2025-02-05 16:23:17,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_get_count
[2025-02-05 16:23:17,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count
[2025-02-05 16:23:17,385 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode
[2025-02-05 16:23:17,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode
[2025-02-05 16:23:18,800 INFO  L257             CfgBuilder]: Building ICFG
[2025-02-05 16:23:18,803 INFO  L287             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-02-05 16:23:19,185 INFO  L1309  $ProcedureCfgBuilder]: dead code at ProgramPoint L225: 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;
[2025-02-05 16:23:19,185 INFO  L1309  $ProcedureCfgBuilder]: dead code at ProgramPoint L93: 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;
[2025-02-05 16:23:45,042 INFO  L?                        ?]: Removed 303 outVars from TransFormulas that were not future-live.
[2025-02-05 16:23:45,043 INFO  L308             CfgBuilder]: Performing block encoding
[2025-02-05 16:23:45,262 INFO  L332             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-02-05 16:23:45,262 INFO  L337             CfgBuilder]: Removed 0 assume(true) statements.
[2025-02-05 16:23:45,263 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 04:23:45 BoogieIcfgContainer
[2025-02-05 16:23:45,263 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-02-05 16:23:45,264 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-02-05 16:23:45,264 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-02-05 16:23:45,267 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-02-05 16:23:45,268 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 04:23:10" (1/3) ...
[2025-02-05 16:23:45,269 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2ad15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 04:23:45, skipping insertion in model container
[2025-02-05 16:23:45,269 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:23:13" (2/3) ...
[2025-02-05 16:23:45,270 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2ad15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 04:23:45, skipping insertion in model container
[2025-02-05 16:23:45,270 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 04:23:45" (3/3) ...
[2025-02-05 16:23:45,270 INFO  L128   eAbstractionObserver]: Analyzing ICFG rekcba_nxt.3.M4.c
[2025-02-05 16:23:45,280 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-02-05 16:23:45,285 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_nxt.3.M4.c that has 19 procedures, 12488 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-02-05 16:23:45,514 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-02-05 16:23:45,522 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;@43c36c04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-02-05 16:23:45,523 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-02-05 16:23:45,553 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 12488 states, 8125 states have (on average 1.3113846153846154) internal successors, (10655), 8237 states have internal predecessors, (10655), 4343 states have call successors, (4343), 18 states have call predecessors, (4343), 18 states have return successors, (4343), 4341 states have call predecessors, (4343), 4343 states have call successors, (4343)
[2025-02-05 16:23:45,857 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5259
[2025-02-05 16:23:45,857 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-05 16:23:45,860 INFO  L218           NwaCegarLoop]: trace histogram [444, 444, 444, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2025-02-05 16:23:45,860 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-05 16:23:45,865 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-05 16:23:45,866 INFO  L85        PathProgramCache]: Analyzing trace with hash 297040045, now seen corresponding path program 1 times
[2025-02-05 16:23:45,871 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-05 16:23:45,871 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253918109]
[2025-02-05 16:23:45,872 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 16:23:45,873 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-05 16:24:04,765 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5258 statements into 1 equivalence classes.
[2025-02-05 16:24:04,982 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5258 of 5258 statements.
[2025-02-05 16:24:04,982 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 16:24:04,982 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 16:24:09,957 INFO  L134       CoverageAnalysis]: Checked inductivity of 393384 backedges. 0 proven. 886 refuted. 0 times theorem prover too weak. 392498 trivial. 0 not checked.
[2025-02-05 16:24:09,958 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-05 16:24:09,958 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253918109]
[2025-02-05 16:24:09,958 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253918109] provided 0 perfect and 1 imperfect interpolant sequences
[2025-02-05 16:24:09,959 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949364157]
[2025-02-05 16:24:09,959 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-05 16:24:09,960 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-02-05 16:24:09,960 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-05 16:24:09,961 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-02-05 16:24:09,963 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-02-05 16:24:32,724 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5258 statements into 1 equivalence classes.
[2025-02-05 16:24:34,656 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5258 of 5258 statements.
[2025-02-05 16:24:34,656 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-05 16:24:34,656 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-05 16:24:34,773 INFO  L256         TraceCheckSpWp]: Trace formula consists of 16602 conjuncts, 1 conjuncts are in the unsatisfiable core
[2025-02-05 16:24:34,879 INFO  L279         TraceCheckSpWp]: Computing forward predicates...