./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8
...........................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:39:01,632 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:39:01,635 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:39:01,667 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:39:01,668 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:39:01,670 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:39:01,671 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:39:01,674 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:39:01,676 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:39:01,677 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:39:01,678 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:39:01,680 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:39:01,680 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:39:01,681 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:39:01,683 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:39:01,685 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:39:01,686 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:39:01,687 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:39:01,689 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:39:01,692 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:39:01,694 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:39:01,695 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:39:01,697 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:39:01,698 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:39:01,702 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:39:01,703 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:39:01,703 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:39:01,704 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:39:01,705 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:39:01,706 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:39:01,707 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:39:01,708 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:39:01,708 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:39:01,711 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:39:01,713 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:39:01,714 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:39:01,716 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:39:01,716 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:39:01,716 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:39:01,718 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:39:01,719 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:39:01,720 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 23:39:01,764 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 23:39:01,769 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:39:01,770 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:39:01,770 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:39:01,772 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:39:01,772 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 23:39:01,772 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 23:39:01,773 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 23:39:01,773 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-10-28 23:39:01,773 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-10-28 23:39:01,774 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-10-28 23:39:01,774 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-10-28 23:39:01,775 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 23:39:01,775 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:39:01,775 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-28 23:39:01,775 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:39:01,776 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 23:39:01,776 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-28 23:39:01,776 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 23:39:01,776 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 23:39:01,776 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 23:39:01,777 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 23:39:01,777 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-28 23:39:01,777 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-28 23:39:01,777 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-10-28 23:39:01,778 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 23:39:01,779 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-10-28 23:39:01,780 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:39:01,780 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 23:39:01,780 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:39:01,781 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 23:39:01,781 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 23:39:01,782 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 23:39:01,782 INFO  L138        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
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_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/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_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD
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(F end) )


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 -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8
[2021-10-28 23:39:02,024 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:39:02,057 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:39:02,060 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:39:02,061 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 23:39:02,063 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 23:39:02,064 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/psyco/psyco_security.c
[2021-10-28 23:39:02,166 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/data/2010f3faa/70ad62e7bd804477a540433366f14d8c/FLAGe55913ced
[2021-10-28 23:39:02,590 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 23:39:02,591 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/sv-benchmarks/c/psyco/psyco_security.c
[2021-10-28 23:39:02,600 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/data/2010f3faa/70ad62e7bd804477a540433366f14d8c/FLAGe55913ced
[2021-10-28 23:39:02,991 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/data/2010f3faa/70ad62e7bd804477a540433366f14d8c
[2021-10-28 23:39:02,994 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:39:02,996 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:39:02,999 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:39:02,999 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:39:03,002 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:39:03,003 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:39:02" (1/1) ...
[2021-10-28 23:39:03,004 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfb251b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03, skipping insertion in model container
[2021-10-28 23:39:03,004 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:39:02" (1/1) ...
[2021-10-28 23:39:03,015 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 23:39:03,056 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:39:03,265 WARN  L228   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_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/sv-benchmarks/c/psyco/psyco_security.c[12744,12757]
[2021-10-28 23:39:03,267 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:39:03,281 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 23:39:03,320 WARN  L228   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_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/sv-benchmarks/c/psyco/psyco_security.c[12744,12757]
[2021-10-28 23:39:03,331 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:39:03,345 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 23:39:03,348 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03 WrapperNode
[2021-10-28 23:39:03,348 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:39:03,349 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:39:03,349 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:39:03,350 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:39:03,357 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (1/1) ...
[2021-10-28 23:39:03,366 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (1/1) ...
[2021-10-28 23:39:03,416 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:39:03,420 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:39:03,420 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:39:03,420 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:39:03,429 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (1/1) ...
[2021-10-28 23:39:03,430 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (1/1) ...
[2021-10-28 23:39:03,446 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (1/1) ...
[2021-10-28 23:39:03,460 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (1/1) ...
[2021-10-28 23:39:03,466 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (1/1) ...
[2021-10-28 23:39:03,472 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (1/1) ...
[2021-10-28 23:39:03,474 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (1/1) ...
[2021-10-28 23:39:03,495 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:39:03,496 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:39:03,496 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:39:03,496 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:39:03,497 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (1/1) ...
[2021-10-28 23:39:03,504 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:39:03,514 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:39:03,526 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:39:03,552 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:39:03,582 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:39:03,582 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:39:03,583 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:39:03,583 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:39:04,037 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:39:04,037 INFO  L299             CfgBuilder]: Removed 22 assume(true) statements.
[2021-10-28 23:39:04,039 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:39:04 BoogieIcfgContainer
[2021-10-28 23:39:04,039 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:39:04,040 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 23:39:04,040 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 23:39:04,047 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-10-28 23:39:04,048 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:39:04,048 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:39:02" (1/3) ...
[2021-10-28 23:39:04,049 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57bdfd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:39:04, skipping insertion in model container
[2021-10-28 23:39:04,049 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:39:04,049 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:03" (2/3) ...
[2021-10-28 23:39:04,050 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57bdfd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:39:04, skipping insertion in model container
[2021-10-28 23:39:04,050 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:39:04,050 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:39:04" (3/3) ...
[2021-10-28 23:39:04,051 INFO  L389   chiAutomizerObserver]: Analyzing ICFG psyco_security.c
[2021-10-28 23:39:04,097 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-10-28 23:39:04,097 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-10-28 23:39:04,097 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 23:39:04,097 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 23:39:04,097 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 23:39:04,097 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-10-28 23:39:04,098 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 23:39:04,098 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 23:39:04,115 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 77 states, 76 states have (on average 1.9210526315789473) internal successors, (146), 76 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:39:04,135 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 62
[2021-10-28 23:39:04,135 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:39:04,135 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:39:04,142 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:39:04,142 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:39:04,142 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 23:39:04,154 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 77 states, 76 states have (on average 1.9210526315789473) internal successors, (146), 76 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:39:04,160 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 62
[2021-10-28 23:39:04,160 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:39:04,160 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:39:04,161 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:39:04,161 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:39:04,168 INFO  L791   eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 48#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 5#L24-2true 
[2021-10-28 23:39:04,168 INFO  L793   eck$LassoCheckResult]: Loop: 5#L24-2true goto; 62#L383true assume !false; 25#L29true assume !(0 == main_~q~0); 57#L49true assume !(1 == main_~q~0); 66#L101true assume !(2 == main_~q~0); 37#L185true assume !(3 == main_~q~0); 59#L285true assume !(4 == main_~q~0); 5#L24-2true 
[2021-10-28 23:39:04,174 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:39:04,174 INFO  L85        PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2021-10-28 23:39:04,184 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:39:04,184 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073958327]
[2021-10-28 23:39:04,185 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:39:04,186 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:39:04,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:39:04,290 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:39:04,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:39:04,330 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:39:04,333 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:39:04,333 INFO  L85        PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times
[2021-10-28 23:39:04,333 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:39:04,334 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514959123]
[2021-10-28 23:39:04,334 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:39:04,334 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:39:04,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:39:04,340 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:39:04,344 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:39:04,347 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:39:04,349 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:39:04,349 INFO  L85        PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times
[2021-10-28 23:39:04,349 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:39:04,350 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002102773]
[2021-10-28 23:39:04,350 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:39:04,350 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:39:04,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:39:04,425 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:39:04,425 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:39:04,427 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002102773]
[2021-10-28 23:39:04,428 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002102773] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:39:04,428 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:39:04,429 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:39:04,429 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225611343]
[2021-10-28 23:39:04,525 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:39:04,540 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:39:04,545 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:39:04,549 INFO  L87              Difference]: Start difference. First operand  has 77 states, 76 states have (on average 1.9210526315789473) internal successors, (146), 76 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:39:04,631 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:39:04,631 INFO  L93              Difference]: Finished difference Result 80 states and 122 transitions.
[2021-10-28 23:39:04,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:39:04,633 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions.
[2021-10-28 23:39:04,638 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 56
[2021-10-28 23:39:04,643 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions.
[2021-10-28 23:39:04,644 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 59
[2021-10-28 23:39:04,645 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 59
[2021-10-28 23:39:04,645 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions.
[2021-10-28 23:39:04,646 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:39:04,646 INFO  L681         BuchiCegarLoop]: Abstraction has 59 states and 81 transitions.
[2021-10-28 23:39:04,662 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions.
[2021-10-28 23:39:04,674 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2021-10-28 23:39:04,675 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 59 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 58 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:39:04,676 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions.
[2021-10-28 23:39:04,677 INFO  L704         BuchiCegarLoop]: Abstraction has 59 states and 81 transitions.
[2021-10-28 23:39:04,677 INFO  L587         BuchiCegarLoop]: Abstraction has 59 states and 81 transitions.
[2021-10-28 23:39:04,678 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 23:39:04,678 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions.
[2021-10-28 23:39:04,680 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 56
[2021-10-28 23:39:04,680 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:39:04,680 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:39:04,680 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-10-28 23:39:04,680 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-10-28 23:39:04,681 INFO  L791   eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 217#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 171#L24-2 goto; 170#L383 
[2021-10-28 23:39:04,681 INFO  L793   eck$LassoCheckResult]: Loop: 170#L383 assume !false; 198#L29 assume 0 == main_~q~0; 168#L30 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7; 170#L383 
[2021-10-28 23:39:04,681 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:39:04,682 INFO  L85        PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times
[2021-10-28 23:39:04,682 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:39:04,682 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743860728]
[2021-10-28 23:39:04,682 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:39:04,683 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:39:04,697 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:39:04,697 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:39:04,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:39:04,715 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:39:04,716 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:39:04,716 INFO  L85        PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times
[2021-10-28 23:39:04,716 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:39:04,717 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57741428]
[2021-10-28 23:39:04,717 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:39:04,717 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:39:04,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:39:04,721 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:39:04,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:39:04,745 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:39:04,746 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:39:04,746 INFO  L85        PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times
[2021-10-28 23:39:04,746 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:39:04,746 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137636915]
[2021-10-28 23:39:04,746 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:39:04,747 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:39:04,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:39:04,760 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:39:04,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:39:04,789 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:39:05,267 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:39:05 BoogieIcfgContainer
[2021-10-28 23:39:05,267 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 23:39:05,268 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:39:05,268 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:39:05,268 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 23:39:05,268 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:39:04" (3/4) ...
[2021-10-28 23:39:05,271 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 23:39:05,304 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:39:05,304 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:39:05,306 INFO  L168              Benchmark]: Toolchain (without parser) took 2309.10 ms. Allocated memory was 102.8 MB in the beginning and 136.3 MB in the end (delta: 33.6 MB). Free memory was 67.9 MB in the beginning and 101.7 MB in the end (delta: -33.9 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:39:05,306 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory is still 57.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:39:05,307 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 349.09 ms. Allocated memory is still 102.8 MB. Free memory was 67.7 MB in the beginning and 75.2 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:39:05,307 INFO  L168              Benchmark]: Boogie Procedure Inliner took 69.59 ms. Allocated memory is still 102.8 MB. Free memory was 75.2 MB in the beginning and 73.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:39:05,308 INFO  L168              Benchmark]: Boogie Preprocessor took 75.63 ms. Allocated memory is still 102.8 MB. Free memory was 73.1 MB in the beginning and 71.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:39:05,309 INFO  L168              Benchmark]: RCFGBuilder took 543.13 ms. Allocated memory is still 102.8 MB. Free memory was 71.7 MB in the beginning and 56.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2021-10-28 23:39:05,309 INFO  L168              Benchmark]: BuchiAutomizer took 1226.96 ms. Allocated memory was 102.8 MB in the beginning and 136.3 MB in the end (delta: 33.6 MB). Free memory was 56.7 MB in the beginning and 103.8 MB in the end (delta: -47.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB.
[2021-10-28 23:39:05,310 INFO  L168              Benchmark]: Witness Printer took 36.78 ms. Allocated memory is still 136.3 MB. Free memory was 103.8 MB in the beginning and 101.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:39:05,313 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory is still 57.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 349.09 ms. Allocated memory is still 102.8 MB. Free memory was 67.7 MB in the beginning and 75.2 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 69.59 ms. Allocated memory is still 102.8 MB. Free memory was 75.2 MB in the beginning and 73.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 75.63 ms. Allocated memory is still 102.8 MB. Free memory was 73.1 MB in the beginning and 71.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 543.13 ms. Allocated memory is still 102.8 MB. Free memory was 71.7 MB in the beginning and 56.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 1226.96 ms. Allocated memory was 102.8 MB in the beginning and 136.3 MB in the end (delta: 33.6 MB). Free memory was 56.7 MB in the beginning and 103.8 MB in the end (delta: -47.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB.
 * Witness Printer took 36.78 ms. Allocated memory is still 136.3 MB. Free memory was 103.8 MB in the beginning and 101.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 59 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 1.1s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1.	Nontrivial modules had stage [0, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 118 SDtfs, 4 SDslu, 84 SDs, 0 SdLazy, 31 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time	LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 0	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.0s	
  - TerminationAnalysisResult: Nontermination possible
    Buchi Automizer proved that your program is nonterminating for some inputs
  - FixpointNonTerminationResult [Line: 24]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=1734}
State at position 1 is
{NULL=1736, NULL=0, m_sign=4, \result=0, NULL=1734, m_update=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e9dc9b9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6712638=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f64af54=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4166c6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40d1a776=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c9d02d1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@290ae299=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76e21453=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b5a7367=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f9e19b2=0, NULL=1737, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65aa111a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e562c3f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23f1dc94=0, NULL=0, NULL=0, NULL=0, NULL=1735, m_verify=5, m_initSign=1, m_initVerify=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f256957=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51c55800=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37e38ee7=0, NULL=0, this_state=0, q=0, m_Signature=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d4d7cf=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f2a1237=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b41bb54=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40bff164=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b80db22=0}
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 24]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L7]         int m_initSign = 1;
[L8]         int m_initVerify = 2;
[L9]         int m_Signature = 3;
[L10]        int m_sign = 4;
[L11]        int m_verify = 5;
[L12]        int m_update = 6;
[L17]        int q = 0;
[L18]        int method_id;
[L21]        int this_state = 0;
Loop:
[L24]  COND TRUE   1
[L29]  COND TRUE   q == 0
[L30]  COND FALSE  !(__VERIFIER_nondet_int())
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:39:05,364 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec9749b-5f7a-4ff0-969c-472d7a1bf6cf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...