./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label10.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_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/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_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/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_9ae2aa36-5069-4000-9e40-15b67189afb2/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 ac7de5164251639b2400ff1603c39dd636fb13644c72069e845fbf12f4a8cbdb
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-527bcce
[2023-11-21 22:11:19,493 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-21 22:11:19,636 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-21 22:11:19,649 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-21 22:11:19,650 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-21 22:11:19,700 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-21 22:11:19,707 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-21 22:11:19,707 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-21 22:11:19,714 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-21 22:11:19,721 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-21 22:11:19,722 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-21 22:11:19,723 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-21 22:11:19,724 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-21 22:11:19,727 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-21 22:11:19,727 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-21 22:11:19,728 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-21 22:11:19,729 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-21 22:11:19,729 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-21 22:11:19,730 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-21 22:11:19,730 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-21 22:11:19,731 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-21 22:11:19,732 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-21 22:11:19,732 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-21 22:11:19,733 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-21 22:11:19,734 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-21 22:11:19,734 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-21 22:11:19,735 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-21 22:11:19,736 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-21 22:11:19,736 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-21 22:11:19,737 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-21 22:11:19,738 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-21 22:11:19,738 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 22:11:19,739 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-21 22:11:19,739 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-21 22:11:19,740 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-21 22:11:19,740 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-21 22:11:19,741 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-21 22:11:19,741 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-21 22:11:19,741 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-21 22:11:19,742 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-21 22:11:19,742 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-21 22:11:19,743 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-21 22:11:19,743 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_9ae2aa36-5069-4000-9e40-15b67189afb2/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_9ae2aa36-5069-4000-9e40-15b67189afb2/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 -> ac7de5164251639b2400ff1603c39dd636fb13644c72069e845fbf12f4a8cbdb
[2023-11-21 22:11:20,052 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-21 22:11:20,093 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-21 22:11:20,097 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-21 22:11:20,098 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-21 22:11:20,099 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-21 22:11:20,101 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/eca-rers2012/Problem07_label10.c
[2023-11-21 22:11:24,132 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-21 22:11:26,896 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-21 22:11:26,897 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/sv-benchmarks/c/eca-rers2012/Problem07_label10.c
[2023-11-21 22:11:27,083 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/data/49243afe5/cf29d740f0904997a29bd095dd5a2edd/FLAG802641aae
[2023-11-21 22:11:27,100 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/data/49243afe5/cf29d740f0904997a29bd095dd5a2edd
[2023-11-21 22:11:27,103 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-21 22:11:27,105 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-21 22:11:27,107 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-21 22:11:27,108 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-21 22:11:27,117 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-21 22:11:27,118 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:27" (1/1) ...
[2023-11-21 22:11:27,119 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315752dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:27, skipping insertion in model container
[2023-11-21 22:11:27,120 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:27" (1/1) ...
[2023-11-21 22:11:28,609 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-21 22:11:41,799 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_9ae2aa36-5069-4000-9e40-15b67189afb2/sv-benchmarks/c/eca-rers2012/Problem07_label10.c[2772735,2772748]
[2023-11-21 22:11:41,865 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-21 22:11:41,882 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-21 22:11:49,652 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_9ae2aa36-5069-4000-9e40-15b67189afb2/sv-benchmarks/c/eca-rers2012/Problem07_label10.c[2772735,2772748]
[2023-11-21 22:11:49,659 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-21 22:11:50,810 INFO  L206         MainTranslator]: Completed translation
[2023-11-21 22:11:50,811 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50 WrapperNode
[2023-11-21 22:11:50,811 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-21 22:11:50,812 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-21 22:11:50,813 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-21 22:11:50,813 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-21 22:11:50,823 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:51,793 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:54,649 INFO  L138                Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774
[2023-11-21 22:11:54,650 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-21 22:11:54,651 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-21 22:11:54,651 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-21 22:11:54,651 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-21 22:11:54,661 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:54,661 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:55,136 INFO  L184        PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:55,617 INFO  L187           HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2]
[2023-11-21 22:11:55,617 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:55,618 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:57,138 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:57,345 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:57,435 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:57,550 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:57,976 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-21 22:11:57,977 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-21 22:11:57,978 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-21 22:11:57,978 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-21 22:11:57,979 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ...
[2023-11-21 22:11:57,999 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 22:11:58,014 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:11:58,039 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-21 22:11:58,084 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-21 22:11:58,105 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-21 22:11:58,105 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-21 22:11:58,106 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-21 22:11:58,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-21 22:11:58,340 INFO  L240             CfgBuilder]: Building ICFG
[2023-11-21 22:11:58,343 INFO  L266             CfgBuilder]: Building CFG for each procedure with an implementation