./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 b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg --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 041b6fdf6940cdc60d0f8513696cf56c45d5af72c3bd8ce1d60d3ac14fc6f3dc
......................................................................................................................................................................................................................................................................................................................................................................
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 09:54:47,616 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 09:54:47,619 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 09:54:47,663 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 09:54:47,664 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 09:54:47,666 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 09:54:47,668 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 09:54:47,671 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 09:54:47,673 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 09:54:47,674 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 09:54:47,676 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 09:54:47,677 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 09:54:47,678 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 09:54:47,679 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 09:54:47,681 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 09:54:47,683 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 09:54:47,684 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 09:54:47,685 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 09:54:47,688 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 09:54:47,691 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 09:54:47,693 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 09:54:47,698 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 09:54:47,700 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 09:54:47,703 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 09:54:47,708 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 09:54:47,708 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 09:54:47,709 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 09:54:47,710 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 09:54:47,710 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 09:54:47,711 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 09:54:47,712 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 09:54:47,713 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 09:54:47,714 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 09:54:47,714 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 09:54:47,716 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 09:54:47,716 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 09:54:47,717 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 09:54:47,717 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 09:54:47,717 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 09:54:47,722 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 09:54:47,723 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 09:54:47,724 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 09:54:47,778 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 09:54:47,778 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 09:54:47,779 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 09:54:47,779 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 09:54:47,780 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 09:54:47,780 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 09:54:47,781 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 09:54:47,781 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 09:54:47,781 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-10-28 09:54:47,781 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-10-28 09:54:47,781 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-10-28 09:54:47,782 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-10-28 09:54:47,782 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 09:54:47,782 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 09:54:47,782 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-28 09:54:47,783 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 09:54:47,783 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 09:54:47,783 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-28 09:54:47,783 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 09:54:47,783 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 09:54:47,784 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 09:54:47,784 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 09:54:47,784 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-28 09:54:47,784 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-28 09:54:47,784 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-10-28 09:54:47,785 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 09:54:47,785 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-10-28 09:54:47,785 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 09:54:47,785 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 09:54:47,786 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 09:54:47,786 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 09:54:47,786 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 09:54:47,787 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 09:54:47,787 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_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/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_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg
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 -> 041b6fdf6940cdc60d0f8513696cf56c45d5af72c3bd8ce1d60d3ac14fc6f3dc
[2021-10-28 09:54:48,032 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 09:54:48,053 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 09:54:48,056 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 09:54:48,057 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 09:54:48,059 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 09:54:48,060 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/psyco/psyco_abp_1-3.c
[2021-10-28 09:54:48,144 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/data/5afc447d5/d27dfc1f7ab34b0e9406125c6b20667a/FLAG1256be052
[2021-10-28 09:54:48,661 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 09:54:48,662 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/sv-benchmarks/c/psyco/psyco_abp_1-3.c
[2021-10-28 09:54:48,681 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/data/5afc447d5/d27dfc1f7ab34b0e9406125c6b20667a/FLAG1256be052
[2021-10-28 09:54:49,146 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/data/5afc447d5/d27dfc1f7ab34b0e9406125c6b20667a
[2021-10-28 09:54:49,152 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 09:54:49,153 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 09:54:49,155 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 09:54:49,155 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 09:54:49,159 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 09:54:49,159 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,161 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93a3795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49, skipping insertion in model container
[2021-10-28 09:54:49,161 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,168 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 09:54:49,202 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 09:54:49,495 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_b0e84d80-f48e-4a01-a737-90bdff19c2f0/sv-benchmarks/c/psyco/psyco_abp_1-3.c[24720,24733]
[2021-10-28 09:54:49,500 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 09:54:49,517 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 09:54:49,598 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_b0e84d80-f48e-4a01-a737-90bdff19c2f0/sv-benchmarks/c/psyco/psyco_abp_1-3.c[24720,24733]
[2021-10-28 09:54:49,600 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 09:54:49,630 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 09:54:49,631 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49 WrapperNode
[2021-10-28 09:54:49,631 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 09:54:49,632 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 09:54:49,632 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 09:54:49,632 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 09:54:49,653 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,681 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,745 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 09:54:49,746 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 09:54:49,746 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 09:54:49,746 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 09:54:49,755 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,755 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,759 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,760 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,777 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,785 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,789 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,795 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 09:54:49,796 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 09:54:49,797 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 09:54:49,797 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 09:54:49,798 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (1/1) ...
[2021-10-28 09:54:49,822 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:54:49,834 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:54:49,864 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:54:49,897 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 09:54:49,920 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 09:54:49,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 09:54:49,920 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 09:54:49,921 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 09:54:50,724 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 09:54:50,734 INFO  L299             CfgBuilder]: Removed 6 assume(true) statements.
[2021-10-28 09:54:50,736 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:54:50 BoogieIcfgContainer
[2021-10-28 09:54:50,736 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 09:54:50,737 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 09:54:50,737 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 09:54:50,742 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-10-28 09:54:50,742 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 09:54:50,743 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:54:49" (1/3) ...
[2021-10-28 09:54:50,743 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4db9465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:54:50, skipping insertion in model container
[2021-10-28 09:54:50,744 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 09:54:50,744 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:49" (2/3) ...
[2021-10-28 09:54:50,744 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4db9465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:54:50, skipping insertion in model container
[2021-10-28 09:54:50,744 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 09:54:50,745 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:54:50" (3/3) ...
[2021-10-28 09:54:50,746 INFO  L389   chiAutomizerObserver]: Analyzing ICFG psyco_abp_1-3.c
[2021-10-28 09:54:50,797 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-10-28 09:54:50,798 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-10-28 09:54:50,798 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 09:54:50,798 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 09:54:50,798 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 09:54:50,798 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-10-28 09:54:50,798 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 09:54:50,798 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 09:54:50,813 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)
[2021-10-28 09:54:50,838 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 75
[2021-10-28 09:54:50,839 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 09:54:50,839 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 09:54:50,846 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 09:54:50,847 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 09:54:50,847 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 09:54:50,848 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)
[2021-10-28 09:54:50,857 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 75
[2021-10-28 09:54:50,857 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 09:54:50,857 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 09:54:50,858 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 09:54:50,858 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 09:54:50,865 INFO  L791   eck$LassoCheckResult]: Stem: 94#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; 32#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~q~0, main_~method_id~0, main_~this_expect~0, main_~this_buffer_empty~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_expect~0 := 0;main_~this_buffer_empty~0 := 0; 46#L26-2true 
[2021-10-28 09:54:50,866 INFO  L793   eck$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 
[2021-10-28 09:54:50,871 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 09:54:50,872 INFO  L85        PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2021-10-28 09:54:50,881 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 09:54:50,881 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345132591]
[2021-10-28 09:54:50,882 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 09:54:50,883 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 09:54:50,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:54:50,987 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 09:54:51,022 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:54:51,041 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 09:54:51,043 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 09:54:51,044 INFO  L85        PathProgramCache]: Analyzing trace with hash -2021581594, now seen corresponding path program 1 times
[2021-10-28 09:54:51,044 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 09:54:51,044 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671126290]
[2021-10-28 09:54:51,044 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 09:54:51,045 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 09:54:51,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:54:51,051 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 09:54:51,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:54:51,060 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 09:54:51,062 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 09:54:51,062 INFO  L85        PathProgramCache]: Analyzing trace with hash -1331020120, now seen corresponding path program 1 times
[2021-10-28 09:54:51,062 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 09:54:51,062 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288313374]
[2021-10-28 09:54:51,062 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 09:54:51,063 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 09:54:51,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 09:54:51,144 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 09:54:51,144 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 09:54:51,146 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288313374]
[2021-10-28 09:54:51,147 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288313374] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 09:54:51,147 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 09:54:51,147 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 09:54:51,148 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324634486]
[2021-10-28 09:54:51,353 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 09:54:51,367 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 09:54:51,368 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 09:54:51,372 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)
[2021-10-28 09:54:51,501 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 09:54:51,502 INFO  L93              Difference]: Finished difference Result 111 states and 201 transitions.
[2021-10-28 09:54:51,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 09:54:51,504 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 201 transitions.
[2021-10-28 09:54:51,519 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 77
[2021-10-28 09:54:51,525 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 80 states and 121 transitions.
[2021-10-28 09:54:51,526 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 80
[2021-10-28 09:54:51,528 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 80
[2021-10-28 09:54:51,528 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 80 states and 121 transitions.
[2021-10-28 09:54:51,529 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 09:54:51,530 INFO  L681         BuchiCegarLoop]: Abstraction has 80 states and 121 transitions.
[2021-10-28 09:54:51,547 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 80 states and 121 transitions.
[2021-10-28 09:54:51,563 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2021-10-28 09:54:51,565 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)
[2021-10-28 09:54:51,565 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 121 transitions.
[2021-10-28 09:54:51,567 INFO  L704         BuchiCegarLoop]: Abstraction has 80 states and 121 transitions.
[2021-10-28 09:54:51,567 INFO  L587         BuchiCegarLoop]: Abstraction has 80 states and 121 transitions.
[2021-10-28 09:54:51,567 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 09:54:51,567 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 121 transitions.
[2021-10-28 09:54:51,583 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 77
[2021-10-28 09:54:51,583 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 09:54:51,583 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 09:54:51,583 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-10-28 09:54:51,586 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-10-28 09:54:51,586 INFO  L791   eck$LassoCheckResult]: Stem: 304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; 296#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~q~0, main_~method_id~0, main_~this_expect~0, main_~this_buffer_empty~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_expect~0 := 0;main_~this_buffer_empty~0 := 0; 297#L26-2 goto; 302#L559 
[2021-10-28 09:54:51,586 INFO  L793   eck$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 
[2021-10-28 09:54:51,589 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 09:54:51,590 INFO  L85        PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times
[2021-10-28 09:54:51,590 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 09:54:51,590 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809180861]
[2021-10-28 09:54:51,591 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 09:54:51,591 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 09:54:51,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:54:51,623 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 09:54:51,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:54:51,658 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 09:54:51,659 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 09:54:51,659 INFO  L85        PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times
[2021-10-28 09:54:51,659 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 09:54:51,660 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254563411]
[2021-10-28 09:54:51,660 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 09:54:51,660 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 09:54:51,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:54:51,665 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 09:54:51,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:54:51,681 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 09:54:51,688 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 09:54:51,688 INFO  L85        PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times
[2021-10-28 09:54:51,689 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 09:54:51,689 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969077113]
[2021-10-28 09:54:51,689 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 09:54:51,689 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 09:54:51,700 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:54:51,700 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 09:54:51,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:54:51,718 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 09:54:52,304 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:54:52 BoogieIcfgContainer
[2021-10-28 09:54:52,305 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 09:54:52,306 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 09:54:52,306 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 09:54:52,306 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 09:54:52,306 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:54:50" (3/4) ...
[2021-10-28 09:54:52,309 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 09:54:52,366 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/witness.graphml
[2021-10-28 09:54:52,366 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 09:54:52,368 INFO  L168              Benchmark]: Toolchain (without parser) took 3213.41 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 84.0 MB in the beginning and 82.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB.
[2021-10-28 09:54:52,368 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 09:54:52,369 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 476.62 ms. Allocated memory is still 117.4 MB. Free memory was 84.0 MB in the beginning and 84.2 MB in the end (delta: -178.4 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 09:54:52,370 INFO  L168              Benchmark]: Boogie Procedure Inliner took 113.30 ms. Allocated memory is still 117.4 MB. Free memory was 84.2 MB in the beginning and 79.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 09:54:52,370 INFO  L168              Benchmark]: Boogie Preprocessor took 49.58 ms. Allocated memory is still 117.4 MB. Free memory was 79.6 MB in the beginning and 76.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 09:54:52,371 INFO  L168              Benchmark]: RCFGBuilder took 940.01 ms. Allocated memory is still 117.4 MB. Free memory was 76.6 MB in the beginning and 83.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB.
[2021-10-28 09:54:52,374 INFO  L168              Benchmark]: BuchiAutomizer took 1567.66 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 82.7 MB in the beginning and 84.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB.
[2021-10-28 09:54:52,375 INFO  L168              Benchmark]: Witness Printer took 60.46 ms. Allocated memory is still 146.8 MB. Free memory was 84.6 MB in the beginning and 82.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 09:54:52,377 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 476.62 ms. Allocated memory is still 117.4 MB. Free memory was 84.0 MB in the beginning and 84.2 MB in the end (delta: -178.4 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 113.30 ms. Allocated memory is still 117.4 MB. Free memory was 84.2 MB in the beginning and 79.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 49.58 ms. Allocated memory is still 117.4 MB. Free memory was 79.6 MB in the beginning and 76.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 940.01 ms. Allocated memory is still 117.4 MB. Free memory was 76.6 MB in the beginning and 83.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 1567.66 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 82.7 MB in the beginning and 84.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB.
 * Witness Printer took 60.46 ms. Allocated memory is still 146.8 MB. Free memory was 84.6 MB in the beginning and 82.7 MB in the end (delta: 1.9 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 1.4s 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 0.0s 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, 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: 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@6cd399e=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c635c27=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5908e477=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43193153=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40a98da4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62f54526=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cf7120d=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1421d550=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bcf0f83=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7dcbe6b9=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@4b1314d3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b46ab76=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f646e72=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62340fc5=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d7774c=0, m_recv_ack_1_2=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31d22adc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f113a8b=0, m_msg_1_1=4, NULL=23960, \result=0, m_recv_ack_2=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54f9c9a1=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@599b31ef=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6acc5259=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c8305b8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a78df65=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e7dacac=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77b2ce60=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bed7314=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ae3dea2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23c8abeb=0, NULL=23961, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f37cb00=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cbc0486=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d9c02bf=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@7cc03e53=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76590b31=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a116cf3=0, q=0, m_recv_ack_1_1=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c3d5603=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@128bd23=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@569beba8=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3205dae2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f4a4857=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71f4c20c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f35e35=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!
[2021-10-28 09:54:52,452 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e84d80-f48e-4a01-a737-90bdff19c2f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...