./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label19.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 0e0057cc
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_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme --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 ff7bf73fd20082009edf465bfd3bfcb5be7d1807048cf2f90b5cd4a0b283eb9f
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 10:44:27,079 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-26 10:44:27,188 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-26 10:44:27,194 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 10:44:27,194 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 10:44:27,218 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 10:44:27,219 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 10:44:27,219 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 10:44:27,220 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 10:44:27,221 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-26 10:44:27,221 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 10:44:27,222 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 10:44:27,223 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 10:44:27,223 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-26 10:44:27,224 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-26 10:44:27,225 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 10:44:27,225 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-26 10:44:27,226 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-26 10:44:27,226 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-26 10:44:27,227 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-26 10:44:27,228 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-26 10:44:27,228 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 10:44:27,229 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 10:44:27,229 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 10:44:27,230 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-26 10:44:27,230 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-26 10:44:27,231 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-26 10:44:27,231 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 10:44:27,232 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-26 10:44:27,232 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 10:44:27,233 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-26 10:44:27,233 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 10:44:27,234 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 10:44:27,234 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 10:44:27,235 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 10:44:27,235 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-26 10:44:27,235 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-26 10:44:27,236 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 10:44:27,236 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 10:44:27,236 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 10:44:27,237 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 10:44:27,237 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 10:44:27,237 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_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme/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_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme
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 -> ff7bf73fd20082009edf465bfd3bfcb5be7d1807048cf2f90b5cd4a0b283eb9f
[2023-11-26 10:44:27,591 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 10:44:27,614 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 10:44:27,617 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 10:44:27,618 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-26 10:44:27,620 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-26 10:44:27,621 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/eca-rers2012/Problem08_label19.c
[2023-11-26 10:44:30,685 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-26 10:44:33,777 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-26 10:44:33,778 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b75e73b-a5ff-4db8-b298-2cd4d181575b/sv-benchmarks/c/eca-rers2012/Problem08_label19.c
[2023-11-26 10:44:34,076 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme/data/f6f998166/a3b971d52e214f7d9876ebeee883b1da/FLAG392ca82fe
[2023-11-26 10:44:34,093 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b75e73b-a5ff-4db8-b298-2cd4d181575b/bin/uautomizer-verify-VRDe98Ueme/data/f6f998166/a3b971d52e214f7d9876ebeee883b1da
[2023-11-26 10:44:34,096 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 10:44:34,097 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 10:44:34,099 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 10:44:34,099 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 10:44:34,109 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 10:44:34,110 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:34" (1/1) ...
[2023-11-26 10:44:34,111 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8c03b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:34, skipping insertion in model container
[2023-11-26 10:44:34,112 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:34" (1/1) ...
[2023-11-26 10:44:36,128 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-26 10:45:02,265 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_0b75e73b-a5ff-4db8-b298-2cd4d181575b/sv-benchmarks/c/eca-rers2012/Problem08_label19.c[5714053,5714066]
[2023-11-26 10:45:02,394 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-26 10:45:02,525 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-26 10:45:16,369 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_0b75e73b-a5ff-4db8-b298-2cd4d181575b/sv-benchmarks/c/eca-rers2012/Problem08_label19.c[5714053,5714066]
[2023-11-26 10:45:16,376 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-26 10:45:21,334 INFO  L206         MainTranslator]: Completed translation
[2023-11-26 10:45:21,335 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:21 WrapperNode
[2023-11-26 10:45:21,335 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 10:45:21,336 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 10:45:21,336 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 10:45:21,337 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 10:45:21,344 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:21" (1/1) ...
[2023-11-26 10:45:22,515 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:21" (1/1) ...
[2023-11-26 10:45:27,382 INFO  L138                Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184289
[2023-11-26 10:45:27,383 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 10:45:27,383 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 10:45:27,383 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 10:45:27,384 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 10:45:27,393 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:21" (1/1) ...
[2023-11-26 10:45:27,393 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:21" (1/1) ...