./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label49.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 527bcce2
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx --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 4f1d9fbdc0b2dd8091ec12a1cdc3775555b6882ed6980cbb994f2df08407fcc3
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-527bcce
[2023-11-21 22:19:45,917 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-21 22:19:46,040 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-21 22:19:46,045 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-21 22:19:46,046 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-21 22:19:46,108 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-21 22:19:46,111 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-21 22:19:46,112 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-21 22:19:46,113 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-21 22:19:46,118 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-21 22:19:46,119 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-21 22:19:46,120 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-21 22:19:46,121 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-21 22:19:46,123 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-21 22:19:46,123 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-21 22:19:46,124 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-21 22:19:46,125 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-21 22:19:46,125 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-21 22:19:46,126 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-21 22:19:46,126 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-21 22:19:46,127 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-21 22:19:46,127 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-21 22:19:46,128 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-21 22:19:46,128 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-21 22:19:46,129 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-21 22:19:46,129 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-21 22:19:46,130 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-21 22:19:46,131 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-21 22:19:46,131 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-21 22:19:46,132 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-21 22:19:46,133 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-21 22:19:46,134 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 22:19:46,134 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-21 22:19:46,134 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-21 22:19:46,141 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-21 22:19:46,141 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-21 22:19:46,141 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-21 22:19:46,142 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-21 22:19:46,142 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-21 22:19:46,142 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-21 22:19:46,143 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-21 22:19:46,143 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-21 22:19:46,143 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx
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 -> 4f1d9fbdc0b2dd8091ec12a1cdc3775555b6882ed6980cbb994f2df08407fcc3
[2023-11-21 22:19:46,493 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-21 22:19:46,528 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-21 22:19:46,531 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-21 22:19:46,532 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-21 22:19:46,532 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-21 22:19:46,534 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/eca-rers2012/Problem08_label49.c
[2023-11-21 22:19:49,615 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-21 22:19:53,024 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-21 22:19:53,025 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/sv-benchmarks/c/eca-rers2012/Problem08_label49.c
[2023-11-21 22:19:53,505 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx/data/496ce0bfa/547edab960304b1a8603f6cab8e9adaf/FLAG6fb4a052d
[2023-11-21 22:19:53,533 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/bin/uautomizer-verify-bycVGegfSx/data/496ce0bfa/547edab960304b1a8603f6cab8e9adaf
[2023-11-21 22:19:53,537 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-21 22:19:53,538 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-21 22:19:53,540 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-21 22:19:53,540 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-21 22:19:53,548 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-21 22:19:53,549 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:53" (1/1) ...
[2023-11-21 22:19:53,550 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7e56fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53, skipping insertion in model container
[2023-11-21 22:19:53,550 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:53" (1/1) ...
[2023-11-21 22:19:55,516 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-21 22:20:24,195 WARN  L240   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_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/sv-benchmarks/c/eca-rers2012/Problem08_label49.c[5707988,5708001]
[2023-11-21 22:20:24,347 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-21 22:20:24,359 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-21 22:20:40,096 WARN  L240   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_f4c4c7b1-9738-410b-a27f-11ce2968c9d4/sv-benchmarks/c/eca-rers2012/Problem08_label49.c[5707988,5708001]
[2023-11-21 22:20:40,113 INFO  L209          PostProcessor]: Analyzing one entry point: main