./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label38.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version dbf71c69
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --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 d114707eafd90532a2ab975dd62c946ad09d2721deb13cc7462714c1bc31836f
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-dbf71c6-m
[2022-10-17 10:13:44,034 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-17 10:13:44,037 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-17 10:13:44,085 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-17 10:13:44,086 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-17 10:13:44,087 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-17 10:13:44,089 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-17 10:13:44,092 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-17 10:13:44,094 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-17 10:13:44,095 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-17 10:13:44,097 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-10-17 10:13:44,099 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-17 10:13:44,099 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-17 10:13:44,101 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-17 10:13:44,102 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-17 10:13:44,104 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-17 10:13:44,105 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-17 10:13:44,107 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-17 10:13:44,109 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-17 10:13:44,112 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-17 10:13:44,114 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-17 10:13:44,116 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-17 10:13:44,124 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-17 10:13:44,125 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-17 10:13:44,130 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-17 10:13:44,131 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-17 10:13:44,131 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-17 10:13:44,132 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-17 10:13:44,142 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-17 10:13:44,143 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-17 10:13:44,144 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-17 10:13:44,145 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-17 10:13:44,147 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-17 10:13:44,148 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-17 10:13:44,149 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-17 10:13:44,150 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-17 10:13:44,151 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-17 10:13:44,151 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-17 10:13:44,151 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-17 10:13:44,152 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-17 10:13:44,153 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-17 10:13:44,154 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-10-17 10:13:44,201 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-17 10:13:44,201 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-17 10:13:44,202 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-17 10:13:44,202 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-17 10:13:44,203 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-17 10:13:44,203 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-17 10:13:44,205 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-17 10:13:44,205 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-17 10:13:44,205 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-17 10:13:44,206 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-17 10:13:44,207 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-17 10:13:44,207 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-17 10:13:44,207 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-17 10:13:44,207 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-17 10:13:44,208 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-17 10:13:44,208 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-17 10:13:44,208 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-17 10:13:44,208 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-17 10:13:44,209 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-17 10:13:44,209 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-17 10:13:44,209 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-17 10:13:44,209 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-17 10:13:44,210 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-17 10:13:44,210 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-17 10:13:44,210 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 10:13:44,210 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-17 10:13:44,211 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-17 10:13:44,211 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-17 10:13:44,211 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-17 10:13:44,211 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-17 10:13:44,213 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-17 10:13:44,213 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-10-17 10:13:44,214 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-17 10:13:44,214 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/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_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> d114707eafd90532a2ab975dd62c946ad09d2721deb13cc7462714c1bc31836f
[2022-10-17 10:13:44,491 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-17 10:13:44,519 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-17 10:13:44,532 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-17 10:13:44,533 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-10-17 10:13:44,534 INFO  L275        PluginConnector]: CDTParser initialized
[2022-10-17 10:13:44,536 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/eca-rers2012/Problem08_label38.c
[2022-10-17 10:13:44,617 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/data/81527b1d2/983e55108086438c9889f02df0572674/FLAGc100b708c
[2022-10-17 10:13:48,442 INFO  L306              CDTParser]: Found 1 translation units.
[2022-10-17 10:13:48,442 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/sv-benchmarks/c/eca-rers2012/Problem08_label38.c
[2022-10-17 10:13:48,749 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/data/81527b1d2/983e55108086438c9889f02df0572674/FLAGc100b708c
[2022-10-17 10:13:48,960 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea63d8a9-7875-4e9f-83ea-166939e222c1/bin/uautomizer-J5u9QxTXDZ/data/81527b1d2/983e55108086438c9889f02df0572674
[2022-10-17 10:13:48,964 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-17 10:13:48,966 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-10-17 10:13:48,968 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-17 10:13:48,968 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-17 10:13:48,978 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-17 10:13:48,979 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:13:48" (1/1) ...
[2022-10-17 10:13:48,981 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44146369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:13:48, skipping insertion in model container
[2022-10-17 10:13:48,981 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:13:48" (1/1) ...
[2022-10-17 10:13:48,992 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-10-17 10:13:50,567 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-10-17 10:14:18,244 WARN  L230   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_ea63d8a9-7875-4e9f-83ea-166939e222c1/sv-benchmarks/c/eca-rers2012/Problem08_label38.c[5714223,5714236]
[2022-10-17 10:14:18,383 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:14:18,394 INFO  L203         MainTranslator]: Completed pre-run