./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/alias_of_return.i --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/alias_of_return.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --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 ba0bcfe856788bd0caa6dc699e0af14f5977926f33f52c273bc3aa3b61532a90
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 02:11:47,066 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 02:11:47,155 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-11-24 02:11:47,164 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 02:11:47,164 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 02:11:47,204 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 02:11:47,205 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 02:11:47,206 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 02:11:47,206 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 02:11:47,207 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 02:11:47,208 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 02:11:47,208 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 02:11:47,208 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 02:11:47,209 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-24 02:11:47,209 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2024-11-24 02:11:47,209 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2024-11-24 02:11:47,210 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2024-11-24 02:11:47,210 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2024-11-24 02:11:47,210 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-24 02:11:47,210 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 02:11:47,210 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2024-11-24 02:11:47,210 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-24 02:11:47,211 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 02:11:47,211 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-24 02:11:47,211 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 02:11:47,211 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2024-11-24 02:11:47,211 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-24 02:11:47,211 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2024-11-24 02:11:47,211 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-24 02:11:47,212 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-24 02:11:47,212 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-24 02:11:47,212 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2024-11-24 02:11:47,212 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 02:11:47,212 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 02:11:47,212 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 02:11:47,212 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 02:11:47,213 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 02:11:47,214 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL_NO_AM
[2024-11-24 02:11:47,214 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-24 02:11:47,214 INFO  L153        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
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_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(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 -> ba0bcfe856788bd0caa6dc699e0af14f5977926f33f52c273bc3aa3b61532a90
[2024-11-24 02:11:47,556 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 02:11:47,574 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 02:11:47,578 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 02:11:47,579 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 02:11:47,580 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 02:11:47,583 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-regression/alias_of_return.i
[2024-11-24 02:11:50,773 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/data/3a188f6a6/c200f64593d64ac5af2a693d41f85ef7/FLAG5cec46597
[2024-11-24 02:11:51,042 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 02:11:51,057 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/sv-benchmarks/c/ldv-regression/alias_of_return.i
[2024-11-24 02:11:51,069 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/data/3a188f6a6/c200f64593d64ac5af2a693d41f85ef7/FLAG5cec46597
[2024-11-24 02:11:51,094 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/data/3a188f6a6/c200f64593d64ac5af2a693d41f85ef7
[2024-11-24 02:11:51,099 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 02:11:51,100 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 02:11:51,104 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 02:11:51,104 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 02:11:51,108 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 02:11:51,109 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,112 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d20640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51, skipping insertion in model container
[2024-11-24 02:11:51,112 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,129 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 02:11:51,311 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:11:51,321 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 02:11:51,335 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:11:51,350 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 02:11:51,351 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51 WrapperNode
[2024-11-24 02:11:51,351 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 02:11:51,352 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 02:11:51,353 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 02:11:51,353 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 02:11:51,360 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,367 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,384 INFO  L138                Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30
[2024-11-24 02:11:51,385 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 02:11:51,385 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 02:11:51,386 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 02:11:51,386 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 02:11:51,395 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,396 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,397 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,410 INFO  L175           MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2].
[2024-11-24 02:11:51,411 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,411 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,421 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,422 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,424 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,428 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,428 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,430 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 02:11:51,433 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 02:11:51,433 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 02:11:51,433 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 02:11:51,435 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (1/1) ...
[2024-11-24 02:11:51,442 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 02:11:51,455 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:11:51,470 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 02:11:51,477 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-24 02:11:51,504 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 02:11:51,504 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 02:11:51,504 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-24 02:11:51,504 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-24 02:11:51,504 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-24 02:11:51,504 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-24 02:11:51,505 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 02:11:51,505 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 02:11:51,505 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-24 02:11:51,506 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-24 02:11:51,506 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-24 02:11:51,591 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 02:11:51,593 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 02:11:51,723 INFO  L?                        ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-11-24 02:11:51,723 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 02:11:51,732 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 02:11:51,733 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 02:11:51,733 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:51 BoogieIcfgContainer
[2024-11-24 02:11:51,733 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 02:11:51,734 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-24 02:11:51,734 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2024-11-24 02:11:51,746 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2024-11-24 02:11:51,746 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 02:11:51,747 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 02:11:51" (1/3) ...
[2024-11-24 02:11:51,748 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6da91c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 02:11:51, skipping insertion in model container
[2024-11-24 02:11:51,749 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 02:11:51,749 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:51" (2/3) ...
[2024-11-24 02:11:51,749 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6da91c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 02:11:51, skipping insertion in model container
[2024-11-24 02:11:51,749 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 02:11:51,749 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:51" (3/3) ...
[2024-11-24 02:11:51,750 INFO  L363   chiAutomizerObserver]: Analyzing ICFG alias_of_return.i
[2024-11-24 02:11:51,827 INFO  L300   stractBuchiCegarLoop]: Interprodecural is true
[2024-11-24 02:11:51,828 INFO  L301   stractBuchiCegarLoop]: Hoare is None
[2024-11-24 02:11:51,829 INFO  L302   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-24 02:11:51,829 INFO  L303   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-24 02:11:51,829 INFO  L304   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-24 02:11:51,829 INFO  L305   stractBuchiCegarLoop]: Difference is false
[2024-11-24 02:11:51,829 INFO  L306   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-24 02:11:51,829 INFO  L310   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-24 02:11:51,839 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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)
[2024-11-24 02:11:51,860 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-11-24 02:11:51,861 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2024-11-24 02:11:51,871 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 02:11:51 BoogieIcfgContainer
[2024-11-24 02:11:51,871 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-24 02:11:51,872 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 02:11:51,872 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-24 02:11:51,872 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-24 02:11:51,875 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:51" (3/4) ...
[2024-11-24 02:11:51,878 INFO  L149         WitnessPrinter]: No result that supports witness generation found
[2024-11-24 02:11:51,879 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 02:11:51,882 INFO  L158              Benchmark]: Toolchain (without parser) took 780.48ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 66.7MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-24 02:11:51,883 INFO  L158              Benchmark]: CDTParser took 0.74ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:11:51,883 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 248.18ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 84.2MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:11:51,884 INFO  L158              Benchmark]: Boogie Procedure Inliner took 32.55ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 83.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:11:51,884 INFO  L158              Benchmark]: Boogie Preprocessor took 44.84ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:11:51,887 INFO  L158              Benchmark]: RCFGBuilder took 300.28ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:11:51,887 INFO  L158              Benchmark]: BuchiAutomizer took 137.41ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 67.1MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:11:51,888 INFO  L158              Benchmark]: Witness Printer took 7.66ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 66.7MB in the end (delta: 364.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:11:51,893 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.74ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 248.18ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 84.2MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 32.55ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 83.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 44.84ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 300.28ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 137.41ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 67.1MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Witness Printer took 7.66ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 66.7MB in the end (delta: 364.4kB). There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Trivial decomposition. There is no loop in your program.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 0.0s and 0 iterations.  TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1.	Nontrivial modules had stage [0, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 	LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 0	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.0s	InitialAbstractionConstructionTime: 0.0s
  - TerminationAnalysisResult: Termination proven
    Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2024-11-24 02:11:51,920 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ace655-4378-4070-9405-0c4604616e5f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE