./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label18.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_75906e81-1391-4843-ae19-8cc81e362cca/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/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_75906e81-1391-4843-ae19-8cc81e362cca/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/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_75906e81-1391-4843-ae19-8cc81e362cca/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 bb0de80d702329322ba1138525805e119eabaad368233f713b8cc8797ec1c7c4
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 13:57:21,753 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-13 13:57:21,879 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-13 13:57:21,886 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 13:57:21,886 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 13:57:21,920 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 13:57:21,921 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 13:57:21,922 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 13:57:21,922 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 13:57:21,923 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-13 13:57:21,923 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 13:57:21,923 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 13:57:21,923 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 13:57:21,924 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-13 13:57:21,924 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-13 13:57:21,924 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 13:57:21,924 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-13 13:57:21,925 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-13 13:57:21,925 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-13 13:57:21,925 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-13 13:57:21,925 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-13 13:57:21,926 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 13:57:21,926 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 13:57:21,926 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 13:57:21,926 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-13 13:57:21,926 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-13 13:57:21,926 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-13 13:57:21,927 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-13 13:57:21,927 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 13:57:21,927 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-13 13:57:21,927 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 13:57:21,927 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-13 13:57:21,927 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 13:57:21,928 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 13:57:21,928 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 13:57:21,928 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 13:57:21,929 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-13 13:57:21,929 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 13:57:21,929 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 13:57:21,929 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 13:57:21,929 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 13:57:21,929 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 13:57:21,930 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_75906e81-1391-4843-ae19-8cc81e362cca/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 -> bb0de80d702329322ba1138525805e119eabaad368233f713b8cc8797ec1c7c4
[2024-11-13 13:57:22,391 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 13:57:22,406 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 13:57:22,409 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 13:57:22,415 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-13 13:57:22,415 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-13 13:57:22,417 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem07_label18.c
Unable to find full path for "g++"
[2024-11-13 13:57:25,063 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-13 13:57:27,767 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-13 13:57:27,768 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/sv-benchmarks/c/eca-rers2012/Problem07_label18.c
[2024-11-13 13:57:27,992 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/bin/uautomizer-verify-qhAvR1uOyd/data/200675e9f/bb6bdd8c75a64880b23c9ce5444040f1/FLAGb30aa2a0d
[2024-11-13 13:57:28,017 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/bin/uautomizer-verify-qhAvR1uOyd/data/200675e9f/bb6bdd8c75a64880b23c9ce5444040f1
[2024-11-13 13:57:28,021 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 13:57:28,024 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 13:57:28,027 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 13:57:28,027 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 13:57:28,035 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 13:57:28,037 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:57:28" (1/1) ...
[2024-11-13 13:57:28,039 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aec10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:28, skipping insertion in model container
[2024-11-13 13:57:28,039 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:57:28" (1/1) ...
[2024-11-13 13:57:29,460 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-13 13:57:45,934 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_75906e81-1391-4843-ae19-8cc81e362cca/sv-benchmarks/c/eca-rers2012/Problem07_label18.c[2769841,2769854]
[2024-11-13 13:57:46,013 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 13:57:46,024 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-13 13:57:56,192 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_75906e81-1391-4843-ae19-8cc81e362cca/sv-benchmarks/c/eca-rers2012/Problem07_label18.c[2769841,2769854]
[2024-11-13 13:57:56,206 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 13:57:57,677 INFO  L204         MainTranslator]: Completed translation
[2024-11-13 13:57:57,678 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57 WrapperNode
[2024-11-13 13:57:57,678 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 13:57:57,680 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 13:57:57,680 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 13:57:57,680 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 13:57:57,702 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:57:59,013 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:03,352 INFO  L138                Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818
[2024-11-13 13:58:03,354 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 13:58:03,356 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 13:58:03,356 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 13:58:03,357 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 13:58:03,370 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:03,371 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:03,834 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:04,310 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 13:58:04,310 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:04,311 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:06,298 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:07,164 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:07,309 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:07,439 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:07,972 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 13:58:07,974 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 13:58:07,974 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 13:58:07,975 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-13 13:58:07,976 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (1/1) ...
[2024-11-13 13:58:07,986 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 13:58:08,006 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 13:58:08,034 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 13:58:08,043 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75906e81-1391-4843-ae19-8cc81e362cca/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 13:58:08,078 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 13:58:08,078 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 13:58:08,078 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 13:58:08,078 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 13:58:08,325 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-13 13:58:08,327 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 13:59:09,814 INFO  L?                        ?]: Removed 10224 outVars from TransFormulas that were not future-live.
[2024-11-13 13:59:09,814 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-13 13:59:09,952 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 13:59:09,953 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 13:59:09,955 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:59:09 BoogieIcfgContainer
[2024-11-13 13:59:09,955 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 13:59:09,958 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 13:59:09,958 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 13:59:09,964 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-13 13:59:09,965 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:57:28" (1/3) ...
[2024-11-13 13:59:09,965 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db13b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:59:09, skipping insertion in model container
[2024-11-13 13:59:09,965 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:57" (2/3) ...
[2024-11-13 13:59:09,967 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db13b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:59:09, skipping insertion in model container
[2024-11-13 13:59:09,967 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:59:09" (3/3) ...
[2024-11-13 13:59:09,970 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem07_label18.c
[2024-11-13 13:59:09,990 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 13:59:09,994 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to ICFG Problem07_label18.c that has 1 procedures, 10257 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 13:59:10,309 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 13:59:10,326 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;@3f326804, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 13:59:10,326 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 13:59:10,363 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 10257 states, 10255 states have (on average 1.9892735251097027) internal successors, (20400), 10256 states have internal predecessors, (20400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 13:59:11,388 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10105
[2024-11-13 13:59:11,388 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 13:59:11,395 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-13 13:59:11,397 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 13:59:11,402 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 13:59:11,408 INFO  L85        PathProgramCache]: Analyzing trace with hash -1724657150, now seen corresponding path program 1 times
[2024-11-13 13:59:11,417 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 13:59:11,418 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159570437]
[2024-11-13 13:59:11,421 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 13:59:11,422 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 13:59:15,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat