./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 e2fb8bed
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_nxt.3.M4.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 17a6dd75e60112a7f7af78ca3548f5d14d93f1e305c1fc4e0acf996889e6f17b
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-e2fb8be-m
[2025-03-08 06:08:11,365 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-08 06:08:11,430 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2025-03-08 06:08:11,437 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-08 06:08:11,438 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-08 06:08:11,470 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-08 06:08:11,472 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-08 06:08:11,472 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-08 06:08:11,472 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-08 06:08:11,473 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-08 06:08:11,473 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-08 06:08:11,474 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-08 06:08:11,474 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-08 06:08:11,474 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-08 06:08:11,474 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-08 06:08:11,474 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-08 06:08:11,474 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-08 06:08:11,474 INFO  L153        SettingsManager]:  * sizeof long=4
[2025-03-08 06:08:11,474 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-08 06:08:11,474 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2025-03-08 06:08:11,474 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * sizeof long double=12
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-08 06:08:11,475 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-08 06:08:11,475 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-08 06:08:11,475 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-08 06:08:11,476 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-08 06:08:11,476 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-08 06:08:11,476 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-08 06:08:11,476 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-08 06:08:11,476 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-08 06:08:11,476 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 -> 17a6dd75e60112a7f7af78ca3548f5d14d93f1e305c1fc4e0acf996889e6f17b
[2025-03-08 06:08:11,747 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-08 06:08:11,753 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-08 06:08:11,755 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-08 06:08:11,756 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-08 06:08:11,756 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-08 06:08:11,757 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c
[2025-03-08 06:08:12,930 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b535374f4/9acf28e254d640efa833c9d426d7db77/FLAG4d75106e6
[2025-03-08 06:08:13,527 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-08 06:08:13,528 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c
[2025-03-08 06:08:13,579 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b535374f4/9acf28e254d640efa833c9d426d7db77/FLAG4d75106e6
[2025-03-08 06:08:14,021 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b535374f4/9acf28e254d640efa833c9d426d7db77
[2025-03-08 06:08:14,023 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-08 06:08:14,024 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-08 06:08:14,025 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-08 06:08:14,025 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-08 06:08:14,028 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-08 06:08:14,028 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:08:14" (1/1) ...
[2025-03-08 06:08:14,030 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16093848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:14, skipping insertion in model container
[2025-03-08 06:08:14,030 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:08:14" (1/1) ...
[2025-03-08 06:08:14,149 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-08 06:08:14,384 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_nxt.3.M4.c[2275,2288]
[2025-03-08 06:08:15,335 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-08 06:08:15,367 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-08 06:08:15,374 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok3.i","-S") [51]
[2025-03-08 06:08:15,384 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_nxt.3.M4.c[2275,2288]
[2025-03-08 06:08:16,073 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-08 06:08:16,113 INFO  L204         MainTranslator]: Completed translation
[2025-03-08 06:08:16,113 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16 WrapperNode
[2025-03-08 06:08:16,115 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-08 06:08:16,116 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-08 06:08:16,116 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-08 06:08:16,116 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-08 06:08:16,121 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:16,438 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:18,201 INFO  L138                Inliner]: procedures = 63, calls = 19692, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 42452
[2025-03-08 06:08:18,202 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-08 06:08:18,203 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-08 06:08:18,203 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-08 06:08:18,203 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-08 06:08:18,222 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:18,225 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:18,688 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:19,010 INFO  L175           MemorySlicer]: Split 15291 memory accesses to 22 slices as follows [2, 194, 2, 17, 8, 9, 2784, 3812, 2400, 1676, 1252, 852, 325, 2, 429, 325, 429, 325, 429, 4, 8, 7]. 25 percent of accesses are in the largest equivalence class. The 880 initializations are split as follows [2, 0, 0, 8, 0, 4, 96, 96, 8, 8, 4, 4, 108, 0, 108, 108, 108, 108, 108, 0, 0, 2]. The 977 writes are split as follows [0, 98, 1, 1, 4, 1, 96, 96, 8, 8, 4, 4, 109, 1, 107, 109, 107, 109, 107, 0, 4, 3].
[2025-03-08 06:08:19,011 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:19,011 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:19,622 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:19,671 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:19,795 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:19,866 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:20,218 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-08 06:08:20,219 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-08 06:08:20,220 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-08 06:08:20,220 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-08 06:08:20,221 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (1/1) ...
[2025-03-08 06:08:20,225 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-08 06:08:20,235 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-08 06:08:20,249 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)
[2025-03-08 06:08:20,252 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
[2025-03-08 06:08:20,270 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-08 06:08:20,270 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t2
[2025-03-08 06:08:20,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2
[2025-03-08 06:08:20,270 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode
[2025-03-08 06:08:20,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode
[2025-03-08 06:08:20,270 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2025-03-08 06:08:20,271 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2025-03-08 06:08:20,271 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2025-03-08 06:08:20,271 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2025-03-08 06:08:20,271 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2025-03-08 06:08:20,271 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2025-03-08 06:08:20,272 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#6
[2025-03-08 06:08:20,272 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#7
[2025-03-08 06:08:20,272 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#8
[2025-03-08 06:08:20,272 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#9
[2025-03-08 06:08:20,272 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#10
[2025-03-08 06:08:20,272 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#11
[2025-03-08 06:08:20,272 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#12
[2025-03-08 06:08:20,272 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#13
[2025-03-08 06:08:20,273 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#14
[2025-03-08 06:08:20,273 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#15
[2025-03-08 06:08:20,273 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#16
[2025-03-08 06:08:20,273 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#17
[2025-03-08 06:08:20,273 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#18
[2025-03-08 06:08:20,273 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#19
[2025-03-08 06:08:20,273 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#20
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#21
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t0
[2025-03-08 06:08:20,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t1
[2025-03-08 06:08:20,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag
[2025-03-08 06:08:20,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag
[2025-03-08 06:08:20,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#4
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#5
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#6
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#7
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#8
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#9
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#10
[2025-03-08 06:08:20,274 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#11
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#12
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#13
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#14
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#15
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#16
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#17
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#18
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#19
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#20
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#21
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_set_count
[2025-03-08 06:08:20,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor
[2025-03-08 06:08:20,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1
[2025-03-08 06:08:20,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2
[2025-03-08 06:08:20,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background
[2025-03-08 06:08:20,275 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2025-03-08 06:08:20,275 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#3
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#4
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#5
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#6
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#7
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#8
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#9
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#10
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#11
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#12
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#13
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#14
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#15
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#16
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#17
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#18
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#19
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#20
[2025-03-08 06:08:20,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#21
[2025-03-08 06:08:20,278 INFO  L130     BoogieDeclarations]: Found specification of procedure assert
[2025-03-08 06:08:20,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure assert
[2025-03-08 06:08:20,278 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed
[2025-03-08 06:08:20,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed
[2025-03-08 06:08:20,278 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag
[2025-03-08 06:08:20,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag
[2025-03-08 06:08:20,278 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2025-03-08 06:08:20,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2025-03-08 06:08:20,278 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-08 06:08:20,278 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2025-03-08 06:08:20,279 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2025-03-08 06:08:20,279 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2025-03-08 06:08:20,279 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#4
[2025-03-08 06:08:20,279 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#5
[2025-03-08 06:08:20,279 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#6
[2025-03-08 06:08:20,279 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#7
[2025-03-08 06:08:20,279 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#8
[2025-03-08 06:08:20,279 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#9
[2025-03-08 06:08:20,279 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#10
[2025-03-08 06:08:20,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#11
[2025-03-08 06:08:20,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#12
[2025-03-08 06:08:20,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#13
[2025-03-08 06:08:20,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#14
[2025-03-08 06:08:20,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#15
[2025-03-08 06:08:20,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#16
[2025-03-08 06:08:20,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#17
[2025-03-08 06:08:20,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#18
[2025-03-08 06:08:20,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#19
[2025-03-08 06:08:20,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#20
[2025-03-08 06:08:20,281 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#21
[2025-03-08 06:08:20,281 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-08 06:08:20,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-08 06:08:20,281 INFO  L130     BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms
[2025-03-08 06:08:20,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms
[2025-03-08 06:08:20,281 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_get_count
[2025-03-08 06:08:20,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count
[2025-03-08 06:08:20,281 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode
[2025-03-08 06:08:20,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode
[2025-03-08 06:08:21,742 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-08 06:08:21,744 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-08 06:08:22,094 INFO  L1307  $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;
[2025-03-08 06:08:22,094 INFO  L1307  $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;
[2025-03-08 06:08:48,550 INFO  L?                        ?]: Removed 303 outVars from TransFormulas that were not future-live.
[2025-03-08 06:08:48,550 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-08 06:08:48,691 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-08 06:08:48,692 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-08 06:08:48,692 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:08:48 BoogieIcfgContainer
[2025-03-08 06:08:48,692 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-08 06:08:48,694 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-08 06:08:48,694 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-08 06:08:48,697 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-08 06:08:48,698 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:08:14" (1/3) ...
[2025-03-08 06:08:48,699 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fc1658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:08:48, skipping insertion in model container
[2025-03-08 06:08:48,699 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:16" (2/3) ...
[2025-03-08 06:08:48,699 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fc1658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:08:48, skipping insertion in model container
[2025-03-08 06:08:48,700 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:08:48" (3/3) ...
[2025-03-08 06:08:48,702 INFO  L128   eAbstractionObserver]: Analyzing ICFG rekcba_nxt.3.M4.c
[2025-03-08 06:08:48,712 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-08 06:08:48,715 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.
[2025-03-08 06:08:48,971 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-08 06:08:48,979 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;@43f2fec3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-08 06:08:48,979 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-08 06:08:49,010 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)
[2025-03-08 06:08:49,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5259
[2025-03-08 06:08:49,481 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 06:08:49,484 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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[2025-03-08 06:08:49,485 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 06:08:49,490 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 06:08:49,493 INFO  L85        PathProgramCache]: Analyzing trace with hash 297040045, now seen corresponding path program 1 times
[2025-03-08 06:08:49,498 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 06:08:49,499 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769120705]
[2025-03-08 06:08:49,500 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 06:08:49,501 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 06:09:08,925 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5258 statements into 1 equivalence classes.
[2025-03-08 06:09:09,155 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5258 of 5258 statements.
[2025-03-08 06:09:09,156 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 06:09:09,156 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 06:09:15,467 INFO  L134       CoverageAnalysis]: Checked inductivity of 393384 backedges. 0 proven. 886 refuted. 0 times theorem prover too weak. 392498 trivial. 0 not checked.
[2025-03-08 06:09:15,468 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 06:09:15,468 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769120705]
[2025-03-08 06:09:15,469 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769120705] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-08 06:09:15,469 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048863050]
[2025-03-08 06:09:15,471 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 06:09:15,471 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-08 06:09:15,471 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-08 06:09:15,477 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)
[2025-03-08 06:09:15,483 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-03-08 06:09:36,398 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5258 statements into 1 equivalence classes.