./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version 57096758
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3 --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 0db572bf30caf92f48b0dba5a9cc25cec23b8ac8
......................................................................................................................................................................................................................................................................................................................................................................
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-5709675
[2021-10-15 20:11:58,360 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-15 20:11:58,362 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-15 20:11:58,409 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-15 20:11:58,410 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-15 20:11:58,411 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-15 20:11:58,413 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-15 20:11:58,416 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-15 20:11:58,419 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-15 20:11:58,420 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-15 20:11:58,421 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-15 20:11:58,423 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-15 20:11:58,424 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-15 20:11:58,425 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-15 20:11:58,427 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-15 20:11:58,429 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-15 20:11:58,430 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-15 20:11:58,431 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-15 20:11:58,434 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-15 20:11:58,436 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-15 20:11:58,438 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-15 20:11:58,440 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-15 20:11:58,442 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-15 20:11:58,443 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-15 20:11:58,446 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-15 20:11:58,447 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-15 20:11:58,448 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-15 20:11:58,449 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-15 20:11:58,449 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-15 20:11:58,451 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-15 20:11:58,451 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-15 20:11:58,452 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-15 20:11:58,453 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-15 20:11:58,454 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-15 20:11:58,455 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-15 20:11:58,456 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-15 20:11:58,457 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-15 20:11:58,457 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-15 20:11:58,458 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-15 20:11:58,459 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-15 20:11:58,460 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-15 20:11:58,461 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-15 20:11:58,484 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-15 20:11:58,485 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-15 20:11:58,485 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-15 20:11:58,486 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-15 20:11:58,487 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-15 20:11:58,487 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-15 20:11:58,488 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-15 20:11:58,488 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-15 20:11:58,489 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-10-15 20:11:58,489 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-10-15 20:11:58,489 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-10-15 20:11:58,490 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-10-15 20:11:58,490 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-15 20:11:58,490 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-15 20:11:58,491 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-15 20:11:58,491 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-15 20:11:58,492 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-15 20:11:58,492 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-15 20:11:58,492 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-15 20:11:58,492 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-10-15 20:11:58,493 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-15 20:11:58,493 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-10-15 20:11:58,493 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-15 20:11:58,493 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-15 20:11:58,494 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-10-15 20:11:58,494 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-15 20:11:58,494 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-10-15 20:11:58,494 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-15 20:11:58,495 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-15 20:11:58,495 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-15 20:11:58,495 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-15 20:11:58,495 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-15 20:11:58,496 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-15 20:11:58,497 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_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/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_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3
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 -> 0db572bf30caf92f48b0dba5a9cc25cec23b8ac8
[2021-10-15 20:11:58,760 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-15 20:11:58,782 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-15 20:11:58,784 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-15 20:11:58,786 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-15 20:11:58,787 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-15 20:11:58,788 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/psyco/psyco_abp_1-3.c
[2021-10-15 20:11:58,852 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/data/797477c33/3c1e33f9867845c5b7e3453e9f559a72/FLAGd28c7091b
[2021-10-15 20:11:59,350 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-15 20:11:59,350 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/sv-benchmarks/c/psyco/psyco_abp_1-3.c
[2021-10-15 20:11:59,375 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/data/797477c33/3c1e33f9867845c5b7e3453e9f559a72/FLAGd28c7091b
[2021-10-15 20:11:59,678 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/data/797477c33/3c1e33f9867845c5b7e3453e9f559a72
[2021-10-15 20:11:59,681 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-15 20:11:59,682 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-15 20:11:59,684 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-15 20:11:59,684 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-15 20:11:59,688 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-15 20:11:59,689 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:11:59" (1/1) ...
[2021-10-15 20:11:59,690 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22226480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:11:59, skipping insertion in model container
[2021-10-15 20:11:59,690 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:11:59" (1/1) ...
[2021-10-15 20:11:59,698 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-15 20:11:59,738 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-15 20:12:00,021 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_16d08df2-23f3-4ae7-9312-80f809c4d683/sv-benchmarks/c/psyco/psyco_abp_1-3.c[24720,24733]
[2021-10-15 20:12:00,027 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-15 20:12:00,036 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-15 20:12:00,156 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_16d08df2-23f3-4ae7-9312-80f809c4d683/sv-benchmarks/c/psyco/psyco_abp_1-3.c[24720,24733]
[2021-10-15 20:12:00,172 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-15 20:12:00,184 INFO  L208         MainTranslator]: Completed translation
[2021-10-15 20:12:00,185 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00 WrapperNode
[2021-10-15 20:12:00,185 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-15 20:12:00,186 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-15 20:12:00,187 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-15 20:12:00,187 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-15 20:12:00,198 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (1/1) ...
[2021-10-15 20:12:00,218 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (1/1) ...
[2021-10-15 20:12:00,288 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-15 20:12:00,289 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-15 20:12:00,289 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-15 20:12:00,289 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-15 20:12:00,296 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (1/1) ...
[2021-10-15 20:12:00,297 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (1/1) ...
[2021-10-15 20:12:00,302 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (1/1) ...
[2021-10-15 20:12:00,302 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (1/1) ...
[2021-10-15 20:12:00,321 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (1/1) ...
[2021-10-15 20:12:00,329 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (1/1) ...
[2021-10-15 20:12:00,334 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (1/1) ...
[2021-10-15 20:12:00,345 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-15 20:12:00,347 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-15 20:12:00,359 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-15 20:12:00,360 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-15 20:12:00,361 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (1/1) ...
[2021-10-15 20:12:00,382 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-15 20:12:00,397 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/z3
[2021-10-15 20:12:00,417 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-15 20:12:00,444 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-15 20:12:00,471 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-15 20:12:00,471 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-15 20:12:00,472 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-15 20:12:00,472 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-15 20:12:01,241 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-15 20:12:01,242 INFO  L299             CfgBuilder]: Removed 6 assume(true) statements.
[2021-10-15 20:12:01,244 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:12:01 BoogieIcfgContainer
[2021-10-15 20:12:01,244 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-15 20:12:01,245 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-15 20:12:01,245 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-10-15 20:12:01,249 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-10-15 20:12:01,250 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-15 20:12:01,250 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 08:11:59" (1/3) ...
[2021-10-15 20:12:01,252 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d7dccfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:12:01, skipping insertion in model container
[2021-10-15 20:12:01,252 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-15 20:12:01,252 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:12:00" (2/3) ...
[2021-10-15 20:12:01,253 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d7dccfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:12:01, skipping insertion in model container
[2021-10-15 20:12:01,253 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-15 20:12:01,253 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:12:01" (3/3) ...
[2021-10-15 20:12:01,254 INFO  L389   chiAutomizerObserver]: Analyzing ICFG psyco_abp_1-3.c
[2021-10-15 20:12:01,299 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-10-15 20:12:01,299 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-10-15 20:12:01,299 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-15 20:12:01,300 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-15 20:12:01,300 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-15 20:12:01,300 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-10-15 20:12:01,300 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-15 20:12:01,300 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-15 20:12:01,322 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 108 states, 107 states have (on average 1.9439252336448598) internal successors, (208), 107 states have internal predecessors, (208), 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)
[2021-10-15 20:12:01,347 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 75
[2021-10-15 20:12:01,347 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-15 20:12:01,347 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-15 20:12:01,355 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-15 20:12:01,355 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-15 20:12:01,356 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-10-15 20:12:01,357 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 108 states, 107 states have (on average 1.9439252336448598) internal successors, (208), 107 states have internal predecessors, (208), 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)
[2021-10-15 20:12:01,364 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 75
[2021-10-15 20:12:01,364 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-15 20:12:01,365 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-15 20:12:01,365 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-15 20:12:01,366 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-15 20:12:01,372 INFO  L791   eck$LassoCheckResult]: Stem: 94#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; 32#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~q~0, main_~method_id~0, main_~this_expect~0, main_~this_buffer_empty~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_expect~0 := 0;main_~this_buffer_empty~0 := 0; 46#L26-2true 
[2021-10-15 20:12:01,373 INFO  L793   eck$LassoCheckResult]: Loop: 46#L26-2true goto; 34#L559true assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~P5~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~P6~0 := main_#t~nondet12;havoc main_#t~nondet12;main_~P7~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~P8~0 := main_#t~nondet14;havoc main_#t~nondet14;main_~P9~0 := main_#t~nondet15;havoc main_#t~nondet15; 21#L41true assume !(0 == main_~q~0); 54#L61true assume !(1 == main_~q~0); 13#L161true assume !(2 == main_~q~0); 110#L261true assume !(3 == main_~q~0); 58#L361true assume !(4 == main_~q~0); 5#L461true assume !(5 == main_~q~0); 46#L26-2true 
[2021-10-15 20:12:01,379 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-15 20:12:01,379 INFO  L82        PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2021-10-15 20:12:01,389 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-15 20:12:01,389 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534492145]
[2021-10-15 20:12:01,390 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-15 20:12:01,391 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-15 20:12:01,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-15 20:12:01,488 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-15 20:12:01,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-15 20:12:01,523 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-15 20:12:01,526 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-15 20:12:01,527 INFO  L82        PathProgramCache]: Analyzing trace with hash -2021581594, now seen corresponding path program 1 times
[2021-10-15 20:12:01,527 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-15 20:12:01,527 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831687482]
[2021-10-15 20:12:01,528 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-15 20:12:01,528 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-15 20:12:01,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-15 20:12:01,535 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-15 20:12:01,541 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-15 20:12:01,544 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-15 20:12:01,546 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-15 20:12:01,546 INFO  L82        PathProgramCache]: Analyzing trace with hash -1331020120, now seen corresponding path program 1 times
[2021-10-15 20:12:01,547 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-15 20:12:01,547 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270965100]
[2021-10-15 20:12:01,547 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-15 20:12:01,548 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-15 20:12:01,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-15 20:12:01,631 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-15 20:12:01,631 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-15 20:12:01,633 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270965100]
[2021-10-15 20:12:01,634 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270965100] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-15 20:12:01,634 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-15 20:12:01,634 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-15 20:12:01,635 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796219055]
[2021-10-15 20:12:01,853 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-15 20:12:01,868 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-15 20:12:01,869 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-15 20:12:01,874 INFO  L87              Difference]: Start difference. First operand  has 108 states, 107 states have (on average 1.9439252336448598) internal successors, (208), 107 states have internal predecessors, (208), 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 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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)
[2021-10-15 20:12:01,969 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-15 20:12:01,970 INFO  L93              Difference]: Finished difference Result 111 states and 201 transitions.
[2021-10-15 20:12:01,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-15 20:12:01,972 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 201 transitions.
[2021-10-15 20:12:01,977 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 77
[2021-10-15 20:12:01,982 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 80 states and 121 transitions.
[2021-10-15 20:12:01,983 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 80
[2021-10-15 20:12:01,984 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 80
[2021-10-15 20:12:01,985 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 80 states and 121 transitions.
[2021-10-15 20:12:01,986 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-15 20:12:01,986 INFO  L681         BuchiCegarLoop]: Abstraction has 80 states and 121 transitions.
[2021-10-15 20:12:02,003 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 80 states and 121 transitions.
[2021-10-15 20:12:02,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2021-10-15 20:12:02,017 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80 states, 80 states have (on average 1.5125) internal successors, (121), 79 states have internal predecessors, (121), 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)
[2021-10-15 20:12:02,018 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 121 transitions.
[2021-10-15 20:12:02,019 INFO  L704         BuchiCegarLoop]: Abstraction has 80 states and 121 transitions.
[2021-10-15 20:12:02,019 INFO  L587         BuchiCegarLoop]: Abstraction has 80 states and 121 transitions.
[2021-10-15 20:12:02,020 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-10-15 20:12:02,020 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 121 transitions.
[2021-10-15 20:12:02,021 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 77
[2021-10-15 20:12:02,022 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-15 20:12:02,022 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-15 20:12:02,022 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-10-15 20:12:02,022 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-10-15 20:12:02,023 INFO  L791   eck$LassoCheckResult]: Stem: 304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; 296#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~q~0, main_~method_id~0, main_~this_expect~0, main_~this_buffer_empty~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_expect~0 := 0;main_~this_buffer_empty~0 := 0; 297#L26-2 goto; 302#L559 
[2021-10-15 20:12:02,023 INFO  L793   eck$LassoCheckResult]: Loop: 302#L559 assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~P5~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~P6~0 := main_#t~nondet12;havoc main_#t~nondet12;main_~P7~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~P8~0 := main_#t~nondet14;havoc main_#t~nondet14;main_~P9~0 := main_#t~nondet15;havoc main_#t~nondet15; 279#L41 assume 0 == main_~q~0; 280#L42 assume !(0 != main_#t~nondet16);havoc main_#t~nondet16; 302#L559 
[2021-10-15 20:12:02,024 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-15 20:12:02,024 INFO  L82        PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times
[2021-10-15 20:12:02,024 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-15 20:12:02,024 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133726386]
[2021-10-15 20:12:02,025 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-15 20:12:02,025 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-15 20:12:02,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-15 20:12:02,056 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-15 20:12:02,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-15 20:12:02,074 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-15 20:12:02,075 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-15 20:12:02,075 INFO  L82        PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times
[2021-10-15 20:12:02,075 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-15 20:12:02,076 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592009607]
[2021-10-15 20:12:02,076 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-15 20:12:02,076 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-15 20:12:02,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-15 20:12:02,081 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-15 20:12:02,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-15 20:12:02,088 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-15 20:12:02,088 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-15 20:12:02,089 INFO  L82        PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times
[2021-10-15 20:12:02,089 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-15 20:12:02,089 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605252723]
[2021-10-15 20:12:02,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-15 20:12:02,090 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-15 20:12:02,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-15 20:12:02,102 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-15 20:12:02,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-15 20:12:02,121 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-15 20:12:02,694 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 08:12:02 BoogieIcfgContainer
[2021-10-15 20:12:02,694 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-15 20:12:02,695 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-15 20:12:02,695 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-15 20:12:02,695 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-15 20:12:02,696 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:12:01" (3/4) ...
[2021-10-15 20:12:02,699 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-15 20:12:02,737 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/witness.graphml
[2021-10-15 20:12:02,737 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-15 20:12:02,739 INFO  L168              Benchmark]: Toolchain (without parser) took 3055.47 ms. Allocated memory was 107.0 MB in the beginning and 144.7 MB in the end (delta: 37.7 MB). Free memory was 67.2 MB in the beginning and 80.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB.
[2021-10-15 20:12:02,739 INFO  L168              Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 107.0 MB. Free memory is still 84.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-15 20:12:02,740 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 501.82 ms. Allocated memory is still 107.0 MB. Free memory was 66.9 MB in the beginning and 74.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-15 20:12:02,740 INFO  L168              Benchmark]: Boogie Procedure Inliner took 101.77 ms. Allocated memory is still 107.0 MB. Free memory was 73.6 MB in the beginning and 69.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-15 20:12:02,741 INFO  L168              Benchmark]: Boogie Preprocessor took 57.33 ms. Allocated memory is still 107.0 MB. Free memory was 69.0 MB in the beginning and 66.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-15 20:12:02,741 INFO  L168              Benchmark]: RCFGBuilder took 897.65 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 75.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB.
[2021-10-15 20:12:02,742 INFO  L168              Benchmark]: BuchiAutomizer took 1449.31 ms. Allocated memory was 107.0 MB in the beginning and 144.7 MB in the end (delta: 37.7 MB). Free memory was 75.0 MB in the beginning and 82.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB.
[2021-10-15 20:12:02,742 INFO  L168              Benchmark]: Witness Printer took 41.97 ms. Allocated memory is still 144.7 MB. Free memory was 82.7 MB in the beginning and 80.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-15 20:12:02,745 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26 ms. Allocated memory is still 107.0 MB. Free memory is still 84.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 501.82 ms. Allocated memory is still 107.0 MB. Free memory was 66.9 MB in the beginning and 74.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 101.77 ms. Allocated memory is still 107.0 MB. Free memory was 73.6 MB in the beginning and 69.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 57.33 ms. Allocated memory is still 107.0 MB. Free memory was 69.0 MB in the beginning and 66.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 897.65 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 75.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 1449.31 ms. Allocated memory was 107.0 MB in the beginning and 144.7 MB in the end (delta: 37.7 MB). Free memory was 75.0 MB in the beginning and 82.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB.
 * Witness Printer took 41.97 ms. Allocated memory is still 144.7 MB. Free memory was 82.7 MB in the beginning and 80.6 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 80 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 1.3s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 1.1s. 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 18.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 80 states and ocurred in iteration 1.	Nontrivial modules had stage [0, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 197 SDtfs, 4 SDslu, 151 SDs, 0 SdLazy, 43 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.9ms 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: 26]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=23959}
State at position 1 is
{NULL=0, m_Protocol=1, NULL=23959, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3889de5b=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f28dcd0=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@122eb96d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1acdd44f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fbca72d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f35ca4c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f5357dd=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@688c0cf3=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e017cbf=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37e6fdf3=20, NULL=0, NULL=0, P8=23, P6=22, P4=15, P2=18, this_buffer_empty=0, this_expect=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d88b8c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c076321=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cc966c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65d6a895=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d7c8741=0, m_recv_ack_1_2=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2394cb48=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@446daa70=0, m_msg_1_1=4, NULL=23960, \result=0, m_recv_ack_2=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a29abf9=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@788505c5=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@352c4480=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38a57e9a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ccdbffe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@107a7695=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2309dd2d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1689111f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56ca853=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@304b3678=0, NULL=23961, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51185dc0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@129557a8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f981062=0, NULL=0, P9=20, P7=19, NULL=23962, P5=24, P3=21, P1=17, m_msg_2=2, m_msg_1_2=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6837ef16=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cac21f3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76c37884=0, q=0, m_recv_ack_1_1=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a0bcaea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7736b11=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@670a894e=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5785bbba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1da103=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d43ab4a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1029fb3e=0}
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 26]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L7]         int m_Protocol = 1;
[L8]         int m_msg_2 = 2;
[L9]         int m_recv_ack_2 = 3;
[L10]        int m_msg_1_1 = 4;
[L11]        int m_msg_1_2 = 5;
[L12]        int m_recv_ack_1_1 = 6;
[L13]        int m_recv_ack_1_2 = 7;
[L18]        int q = 0;
[L19]        int method_id;
[L22]        unsigned int this_expect = 0;
[L23]        unsigned int this_buffer_empty = 0;
Loop:
[L26]  COND TRUE   1
[L29]              int P1=__VERIFIER_nondet_int();
[L30]              int P2=__VERIFIER_nondet_int();
[L31]              int P3=__VERIFIER_nondet_int();
[L32]              int P4=__VERIFIER_nondet_int();
[L33]              int P5=__VERIFIER_nondet_int();
[L34]              int P6=__VERIFIER_nondet_int();
[L35]              int P7=__VERIFIER_nondet_int();
[L36]              int P8=__VERIFIER_nondet_int();
[L37]              int P9=__VERIFIER_nondet_int();
[L41]  COND TRUE   q == 0
[L42]  COND FALSE  !(__VERIFIER_nondet_int())
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-15 20:12:02,795 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d08df2-23f3-4ae7-9312-80f809c4d683/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...