./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label12.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f95d576456e058a4aac98adef063eee976654fdacaabb3390075e5f639803d3b
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 14:54:31,197 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-13 14:54:31,325 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-13 14:54:31,339 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 14:54:31,339 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 14:54:31,387 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 14:54:31,388 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 14:54:31,388 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 14:54:31,389 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 14:54:31,390 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-13 14:54:31,391 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 14:54:31,391 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 14:54:31,392 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 14:54:31,392 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-13 14:54:31,392 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-13 14:54:31,392 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 14:54:31,392 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-13 14:54:31,392 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-13 14:54:31,392 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-13 14:54:31,392 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-13 14:54:31,393 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-13 14:54:31,393 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 14:54:31,393 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 14:54:31,393 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 14:54:31,393 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-13 14:54:31,393 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-13 14:54:31,394 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-13 14:54:31,394 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-13 14:54:31,394 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 14:54:31,394 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-13 14:54:31,395 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 14:54:31,395 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-13 14:54:31,395 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:54:31,395 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 14:54:31,395 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 14:54:31,395 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 14:54:31,396 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-13 14:54:31,396 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 14:54:31,396 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 14:54:31,396 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 14:54:31,396 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 14:54:31,396 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 14:54:31,397 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f95d576456e058a4aac98adef063eee976654fdacaabb3390075e5f639803d3b
[2024-11-13 14:54:31,743 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 14:54:31,755 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 14:54:31,758 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 14:54:31,762 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-13 14:54:31,763 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-13 14:54:31,764 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem09_label12.c
Unable to find full path for "g++"
[2024-11-13 14:54:34,200 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-13 14:54:37,412 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-13 14:54:37,413 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/sv-benchmarks/c/eca-rers2012/Problem09_label12.c
[2024-11-13 14:54:37,759 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/data/6020f0ffa/7a47c39eff7047f28aab5d2dd10686a5/FLAGc2051f764
[2024-11-13 14:54:37,775 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/data/6020f0ffa/7a47c39eff7047f28aab5d2dd10686a5
[2024-11-13 14:54:37,778 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 14:54:37,779 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 14:54:37,781 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 14:54:37,781 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 14:54:37,787 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 14:54:37,788 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:54:37" (1/1) ...
[2024-11-13 14:54:37,789 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1827d22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:37, skipping insertion in model container
[2024-11-13 14:54:37,789 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:54:37" (1/1) ...
[2024-11-13 14:54:39,749 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-13 14:55:09,045 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/sv-benchmarks/c/eca-rers2012/Problem09_label12.c[6308250,6308263]
[2024-11-13 14:55:09,165 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:55:09,177 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-13 14:55:25,630 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/sv-benchmarks/c/eca-rers2012/Problem09_label12.c[6308250,6308263]
[2024-11-13 14:55:25,637 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:55:31,462 INFO  L204         MainTranslator]: Completed translation
[2024-11-13 14:55:31,462 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31 WrapperNode
[2024-11-13 14:55:31,463 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 14:55:31,464 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 14:55:31,464 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 14:55:31,464 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 14:55:31,471 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:32,980 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:38,794 INFO  L138                Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197892
[2024-11-13 14:55:38,795 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 14:55:38,796 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 14:55:38,796 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 14:55:38,796 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 14:55:38,806 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:38,806 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:39,632 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:40,408 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-13 14:55:40,410 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:40,410 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:42,642 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:43,882 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:44,140 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:44,267 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:44,974 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 14:55:44,975 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 14:55:44,976 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 14:55:44,976 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-13 14:55:44,977 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (1/1) ...
[2024-11-13 14:55:44,983 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:55:44,997 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:55:45,015 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 14:55:45,019 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb875ef-1279-4c4b-b378-12696b026e13/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 14:55:45,049 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 14:55:45,049 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 14:55:45,049 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 14:55:45,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 14:55:45,247 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-13 14:55:45,249 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 14:57:40,268 INFO  L?                        ?]: Removed 16399 outVars from TransFormulas that were not future-live.
[2024-11-13 14:57:40,268 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-13 14:57:40,622 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 14:57:40,623 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 14:57:40,625 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:40 BoogieIcfgContainer
[2024-11-13 14:57:40,625 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 14:57:40,629 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 14:57:40,629 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 14:57:40,637 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-13 14:57:40,637 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:54:37" (1/3) ...
[2024-11-13 14:57:40,638 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b82b3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:57:40, skipping insertion in model container
[2024-11-13 14:57:40,638 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:55:31" (2/3) ...
[2024-11-13 14:57:40,639 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b82b3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:57:40, skipping insertion in model container
[2024-11-13 14:57:40,639 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:57:40" (3/3) ...
[2024-11-13 14:57:40,641 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem09_label12.c
[2024-11-13 14:57:40,664 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 14:57:40,668 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to ICFG Problem09_label12.c that has 1 procedures, 20356 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 14:57:41,218 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 14:57:41,234 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;@4f936d34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 14:57:41,234 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 14:57:41,303 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 20356 states, 20354 states have (on average 1.902525302151911) internal successors, (38724), 20355 states have internal predecessors, (38724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)