./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/WhileTrue.c --full-output --architecture 64bit


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


Checking for termination
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/WhileTrue.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1 --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 64bit --witnessprinter.graph.data.programhash 2c915ce64f8b11abacbd175f69c99f9afd8b2edc1142f6db1504c1dcc6414eb1
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:09:44,252 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:09:44,302 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf
[2024-12-02 08:09:44,305 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:09:44,305 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:09:44,325 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:09:44,325 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:09:44,326 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:09:44,326 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:09:44,326 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 08:09:44,326 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:09:44,326 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 08:09:44,326 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 08:09:44,327 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 08:09:44,327 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2024-12-02 08:09:44,327 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2024-12-02 08:09:44,327 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2024-12-02 08:09:44,327 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2024-12-02 08:09:44,327 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 08:09:44,327 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:09:44,327 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2024-12-02 08:09:44,327 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 08:09:44,327 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 08:09:44,328 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 08:09:44,328 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 08:09:44,328 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 08:09:44,328 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-12-02 08:09:44,328 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 08:09:44,328 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2024-12-02 08:09:44,328 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:09:44,328 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 08:09:44,328 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:09:44,328 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 08:09:44,329 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:09:44,329 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 08:09:44,329 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 08:09:44,329 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_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1
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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c915ce64f8b11abacbd175f69c99f9afd8b2edc1142f6db1504c1dcc6414eb1
[2024-12-02 08:09:44,566 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:09:44,574 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:09:44,576 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:09:44,577 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 08:09:44,578 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 08:09:44,579 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted/WhileTrue.c
[2024-12-02 08:09:47,198 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/data/59807e5ad/1b44c8fd59914a3f95a7064a72f7df78/FLAGfa3e7f98b
[2024-12-02 08:09:47,399 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 08:09:47,399 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/sv-benchmarks/c/termination-crafted/WhileTrue.c
[2024-12-02 08:09:47,406 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/data/59807e5ad/1b44c8fd59914a3f95a7064a72f7df78/FLAGfa3e7f98b
[2024-12-02 08:09:47,785 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/data/59807e5ad/1b44c8fd59914a3f95a7064a72f7df78
[2024-12-02 08:09:47,787 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:09:47,788 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:09:47,789 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:09:47,790 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:09:47,793 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:09:47,794 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,794 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f43a2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47, skipping insertion in model container
[2024-12-02 08:09:47,795 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,805 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:09:47,896 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:09:47,900 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 08:09:47,907 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:09:47,916 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 08:09:47,916 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47 WrapperNode
[2024-12-02 08:09:47,916 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:09:47,917 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:09:47,917 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:09:47,917 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:09:47,922 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,924 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,934 INFO  L138                Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7
[2024-12-02 08:09:47,934 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:09:47,934 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:09:47,934 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:09:47,935 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:09:47,940 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,940 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,941 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,944 INFO  L175           MemorySlicer]: No memory access in input program.
[2024-12-02 08:09:47,944 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,944 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,945 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,946 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,949 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,949 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,949 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,950 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:09:47,951 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:09:47,951 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:09:47,951 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:09:47,952 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (1/1) ...
[2024-12-02 08:09:47,957 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 08:09:47,967 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:09:47,977 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 08:09:47,980 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:09:48,000 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:09:48,001 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:09:48,059 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 08:09:48,060 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:09:48,091 INFO  L?                        ?]: Removed 2 outVars from TransFormulas that were not future-live.
[2024-12-02 08:09:48,091 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 08:09:48,099 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:09:48,099 INFO  L312             CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 08:09:48,099 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:09:48 BoogieIcfgContainer
[2024-12-02 08:09:48,099 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:09:48,100 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 08:09:48,100 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 08:09:48,106 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2024-12-02 08:09:48,106 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 08:09:48,106 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 08:09:47" (1/3) ...
[2024-12-02 08:09:48,107 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1513a633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:09:48, skipping insertion in model container
[2024-12-02 08:09:48,107 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 08:09:48,107 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:09:47" (2/3) ...
[2024-12-02 08:09:48,108 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1513a633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:09:48, skipping insertion in model container
[2024-12-02 08:09:48,108 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 08:09:48,108 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:09:48" (3/3) ...
[2024-12-02 08:09:48,109 INFO  L363   chiAutomizerObserver]: Analyzing ICFG WhileTrue.c
[2024-12-02 08:09:48,151 INFO  L300   stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 08:09:48,151 INFO  L301   stractBuchiCegarLoop]: Hoare is None
[2024-12-02 08:09:48,151 INFO  L302   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 08:09:48,151 INFO  L303   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 08:09:48,151 INFO  L304   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 08:09:48,151 INFO  L305   stractBuchiCegarLoop]: Difference is false
[2024-12-02 08:09:48,152 INFO  L306   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 08:09:48,152 INFO  L310   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 08:09:48,156 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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)
[2024-12-02 08:09:48,167 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 1
[2024-12-02 08:09:48,167 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:09:48,167 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:09:48,171 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-12-02 08:09:48,171 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1]
[2024-12-02 08:09:48,171 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 08:09:48,171 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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)
[2024-12-02 08:09:48,172 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 1
[2024-12-02 08:09:48,172 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:09:48,172 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:09:48,172 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-12-02 08:09:48,172 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1]
[2024-12-02 08:09:48,177 INFO  L747   eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;" 
[2024-12-02 08:09:48,177 INFO  L749   eck$LassoCheckResult]: Loop: "assume true;" 
[2024-12-02 08:09:48,181 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:09:48,182 INFO  L85        PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2024-12-02 08:09:48,189 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:09:48,189 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935831259]
[2024-12-02 08:09:48,190 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:09:48,190 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:09:48,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:09:48,245 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:09:48,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:09:48,259 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:09:48,262 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:09:48,262 INFO  L85        PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times
[2024-12-02 08:09:48,262 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:09:48,262 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598424259]
[2024-12-02 08:09:48,262 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:09:48,262 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:09:48,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:09:48,266 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:09:48,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:09:48,268 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:09:48,269 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:09:48,269 INFO  L85        PathProgramCache]: Analyzing trace with hash 29871, now seen corresponding path program 1 times
[2024-12-02 08:09:48,269 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:09:48,269 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197340375]
[2024-12-02 08:09:48,270 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:09:48,270 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:09:48,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:09:48,274 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:09:48,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:09:48,276 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:09:48,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:09:48,310 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:09:48,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:09:48,325 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not
[2024-12-02 08:09:48,325 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-12-02 08:09:48,327 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-12-02 08:09:48,327 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not
[2024-12-02 08:09:48,328 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-12-02 08:09:48,328 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 08:09:48 BoogieIcfgContainer
[2024-12-02 08:09:48,328 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 08:09:48,329 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 08:09:48,329 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-02 08:09:48,329 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-02 08:09:48,329 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:09:48" (3/4) ...
[2024-12-02 08:09:48,331 INFO  L143         WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 08:09:48,332 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-12-02 08:09:48,332 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not
[2024-12-02 08:09:48,332 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-12-02 08:09:48,336 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception:
java.lang.IndexOutOfBoundsException: Index 0 out of bounds for length 0
	at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:100)
	at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:106)
	at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:302)
	at java.base/java.util.Objects.checkIndex(Objects.java:385)
	at java.base/java.util.ArrayList.get(ArrayList.java:427)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLProgramExecution.getTraceElement(CACSLProgramExecution.java:83)
	at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLViolationWitnessGenerator.<init>(GraphMLViolationWitnessGenerator.java:89)
	at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.getWitness(WitnessPrinter.java:239)
	at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateNonTerminationWitness(WitnessPrinter.java:224)
	at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2024-12-02 08:09:48,341 INFO  L158              Benchmark]: Toolchain (without parser) took 551.75ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 61.8MB in the end (delta: 32.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 08:09:48,341 INFO  L158              Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:09:48,341 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 127.36ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 84.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:09:48,342 INFO  L158              Benchmark]: Boogie Procedure Inliner took 16.90ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 83.3MB in the end (delta: 851.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:09:48,342 INFO  L158              Benchmark]: Boogie Preprocessor took 15.88ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.3MB in the end (delta: 949.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:09:48,342 INFO  L158              Benchmark]: RCFGBuilder took 148.47ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 74.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:09:48,342 INFO  L158              Benchmark]: BuchiAutomizer took 227.89ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 62.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:09:48,343 INFO  L158              Benchmark]: Witness Printer took 10.68ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 61.8MB in the end (delta: 864.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:09:48,344 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 127.36ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 84.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 16.90ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 83.3MB in the end (delta: 851.0kB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 15.88ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.3MB in the end (delta: 949.0kB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 148.47ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 74.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 227.89ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 62.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Witness Printer took 10.68ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 61.8MB in the end (delta: 864.1kB). There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: The program execution was not completely translated back.
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: The program execution was not completely translated back.
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: The program execution was not completely translated back.
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: The program execution was not completely translated back.
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: The program execution was not completely translated back.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Trivial decomposition into one nonterminating module.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 0.1s and 1 iterations.  TraceHistogramMax:1. Analysis of lassos took 0.1s. 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: nont1 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: Nontermination possible
    Buchi Automizer proved that your program is nonterminating for some inputs
  - LassoShapedNonTerminationArgument [Line: 13]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite program execution.
Stem:
Loop:
End of lasso representation.
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 13]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
Loop:
End of lasso representation.
 * Results from de.uni_freiburg.informatik.ultimate.witnessprinter:
  - ExceptionOrErrorResult: IndexOutOfBoundsException: Index 0 out of bounds for length 0
    de.uni_freiburg.informatik.ultimate.witnessprinter: IndexOutOfBoundsException: Index 0 out of bounds for length 0: java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:100)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-12-02 08:09:48,358 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/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
Using bit-precise analysis
No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e03010ca-151e-4853-b450-5e534b9843a5/bin/uautomizer-verify-84ZbGMXZE1/config using search string *Termination*64bit*_Bitvector*.epf
No suitable settings file found using Termination*64bit*_Bitvector
ERROR: UNSUPPORTED PROPERTY
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: IndexOutOfBoundsException: Index 0 out of bounds for length 0