./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label22.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 527bcce2
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/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_f49ca905-6d01-4130-9781-2883839829f8/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/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_f49ca905-6d01-4130-9781-2883839829f8/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 4813005008457a5d4e6ae5277d71ca9796b28c553541eb8e67cfaf33286f04c4
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-527bcce
[2023-11-21 22:09:12,792 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-21 22:09:12,958 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-21 22:09:12,964 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-21 22:09:12,965 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-21 22:09:13,017 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-21 22:09:13,019 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-21 22:09:13,019 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-21 22:09:13,021 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-21 22:09:13,027 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-21 22:09:13,028 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-21 22:09:13,029 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-21 22:09:13,031 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-21 22:09:13,033 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-21 22:09:13,033 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-21 22:09:13,034 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-21 22:09:13,035 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-21 22:09:13,035 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-21 22:09:13,036 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-21 22:09:13,036 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-21 22:09:13,037 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-21 22:09:13,038 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-21 22:09:13,038 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-21 22:09:13,039 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-21 22:09:13,039 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-21 22:09:13,040 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-21 22:09:13,040 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-21 22:09:13,042 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-21 22:09:13,042 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-21 22:09:13,043 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-21 22:09:13,045 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-21 22:09:13,045 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 22:09:13,046 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-21 22:09:13,046 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-21 22:09:13,046 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-21 22:09:13,047 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-21 22:09:13,047 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-21 22:09:13,047 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-21 22:09:13,048 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-21 22:09:13,048 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-21 22:09:13,049 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-21 22:09:13,050 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-21 22:09:13,050 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_f49ca905-6d01-4130-9781-2883839829f8/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_f49ca905-6d01-4130-9781-2883839829f8/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 -> 4813005008457a5d4e6ae5277d71ca9796b28c553541eb8e67cfaf33286f04c4
[2023-11-21 22:09:13,464 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-21 22:09:13,503 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-21 22:09:13,507 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-21 22:09:13,509 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-21 22:09:13,510 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-21 22:09:13,511 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/eca-rers2012/Problem17_label22.c
[2023-11-21 22:09:17,336 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-21 22:09:17,883 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-21 22:09:17,885 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/sv-benchmarks/c/eca-rers2012/Problem17_label22.c
[2023-11-21 22:09:17,916 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/bin/uautomizer-verify-bycVGegfSx/data/6e7de8cf9/6fc566ac13c14eb2ab8c5e89be529b21/FLAG09086f4d0
[2023-11-21 22:09:17,936 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/bin/uautomizer-verify-bycVGegfSx/data/6e7de8cf9/6fc566ac13c14eb2ab8c5e89be529b21
[2023-11-21 22:09:17,941 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-21 22:09:17,944 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-21 22:09:17,948 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-21 22:09:17,948 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-21 22:09:17,954 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-21 22:09:17,955 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:17" (1/1) ...
[2023-11-21 22:09:17,956 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38031b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:17, skipping insertion in model container
[2023-11-21 22:09:17,956 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:17" (1/1) ...
[2023-11-21 22:09:18,080 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-21 22:09:18,355 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_f49ca905-6d01-4130-9781-2883839829f8/sv-benchmarks/c/eca-rers2012/Problem17_label22.c[7589,7602]
[2023-11-21 22:09:19,152 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-21 22:09:19,172 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-21 22:09:19,198 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_f49ca905-6d01-4130-9781-2883839829f8/sv-benchmarks/c/eca-rers2012/Problem17_label22.c[7589,7602]
[2023-11-21 22:09:19,615 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-21 22:09:19,639 INFO  L206         MainTranslator]: Completed translation
[2023-11-21 22:09:19,640 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19 WrapperNode
[2023-11-21 22:09:19,640 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-21 22:09:19,642 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-21 22:09:19,642 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-21 22:09:19,643 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-21 22:09:19,651 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:19,721 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,073 INFO  L138                Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2612
[2023-11-21 22:09:20,073 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-21 22:09:20,074 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-21 22:09:20,074 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-21 22:09:20,075 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-21 22:09:20,087 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,088 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,139 INFO  L184        PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,411 INFO  L187           HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2]
[2023-11-21 22:09:20,412 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,412 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,605 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,649 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,670 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,688 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,727 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-21 22:09:20,731 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-21 22:09:20,731 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-21 22:09:20,732 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-21 22:09:20,733 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:19" (1/1) ...
[2023-11-21 22:09:20,741 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 22:09:20,758 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:09:20,776 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-21 22:09:20,797 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ca905-6d01-4130-9781-2883839829f8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-21 22:09:20,828 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-21 22:09:20,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-21 22:09:20,829 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-21 22:09:20,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-21 22:09:20,928 INFO  L240             CfgBuilder]: Building ICFG
[2023-11-21 22:09:20,930 INFO  L266             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-21 22:09:25,759 INFO  L281             CfgBuilder]: Performing block encoding