./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Waldkirch.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_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/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_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Waldkirch.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/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_9ffcfb93-bb04-4056-a362-0d9b614bbd09/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 0d07943f594c0a86ad3f09c064026eaa390bfc50048ddd9265cfeaf428144657
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:09:34,156 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:09:34,225 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf
[2024-12-02 15:09:34,231 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:09:34,231 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:09:34,257 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:09:34,257 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:09:34,258 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:09:34,258 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:09:34,258 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 15:09:34,259 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:09:34,259 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 15:09:34,259 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 15:09:34,259 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 15:09:34,259 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2024-12-02 15:09:34,260 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2024-12-02 15:09:34,260 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2024-12-02 15:09:34,260 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2024-12-02 15:09:34,260 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 15:09:34,260 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:09:34,260 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2024-12-02 15:09:34,260 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 15:09:34,260 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 15:09:34,260 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 15:09:34,261 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 15:09:34,261 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 15:09:34,261 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-12-02 15:09:34,261 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 15:09:34,261 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2024-12-02 15:09:34,261 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:09:34,261 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 15:09:34,261 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:09:34,261 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 15:09:34,262 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:09:34,262 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 15:09:34,262 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 15:09:34,262 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_9ffcfb93-bb04-4056-a362-0d9b614bbd09/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 -> 0d07943f594c0a86ad3f09c064026eaa390bfc50048ddd9265cfeaf428144657
[2024-12-02 15:09:34,522 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:09:34,530 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:09:34,533 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:09:34,534 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 15:09:34,534 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 15:09:34,536 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted/Waldkirch.c
[2024-12-02 15:09:37,304 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/data/6ad7e409f/95d323e5c6c54e4795571c868ca4e1b0/FLAG7870472cc
[2024-12-02 15:09:37,529 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 15:09:37,530 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/sv-benchmarks/c/termination-crafted/Waldkirch.c
[2024-12-02 15:09:37,536 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/data/6ad7e409f/95d323e5c6c54e4795571c868ca4e1b0/FLAG7870472cc
[2024-12-02 15:09:37,878 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/data/6ad7e409f/95d323e5c6c54e4795571c868ca4e1b0
[2024-12-02 15:09:37,880 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:09:37,881 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:09:37,883 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:09:37,883 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:09:37,887 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:09:37,888 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:09:37" (1/1) ...
[2024-12-02 15:09:37,889 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cee356b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:37, skipping insertion in model container
[2024-12-02 15:09:37,889 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:09:37" (1/1) ...
[2024-12-02 15:09:37,900 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:09:38,014 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:09:38,018 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 15:09:38,026 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:09:38,037 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 15:09:38,038 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38 WrapperNode
[2024-12-02 15:09:38,038 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:09:38,039 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:09:38,039 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:09:38,039 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:09:38,045 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,048 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,060 INFO  L138                Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11
[2024-12-02 15:09:38,061 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:09:38,061 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:09:38,061 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:09:38,061 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:09:38,068 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,069 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,069 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,074 INFO  L175           MemorySlicer]: No memory access in input program.
[2024-12-02 15:09:38,074 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,074 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,075 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,076 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,080 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,080 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,081 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,082 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:09:38,082 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:09:38,083 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:09:38,083 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:09:38,084 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (1/1) ...
[2024-12-02 15:09:38,089 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 15:09:38,099 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:09:38,112 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 15:09:38,114 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:09:38,139 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:09:38,139 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:09:38,206 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 15:09:38,208 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:09:38,254 INFO  L?                        ?]: Removed 3 outVars from TransFormulas that were not future-live.
[2024-12-02 15:09:38,255 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 15:09:38,263 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:09:38,263 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 15:09:38,263 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:09:38 BoogieIcfgContainer
[2024-12-02 15:09:38,264 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:09:38,264 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 15:09:38,264 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 15:09:38,270 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2024-12-02 15:09:38,270 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 15:09:38,271 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 03:09:37" (1/3) ...
[2024-12-02 15:09:38,272 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c7e3981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 03:09:38, skipping insertion in model container
[2024-12-02 15:09:38,272 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 15:09:38,272 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:38" (2/3) ...
[2024-12-02 15:09:38,272 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c7e3981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 03:09:38, skipping insertion in model container
[2024-12-02 15:09:38,272 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 15:09:38,272 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:09:38" (3/3) ...
[2024-12-02 15:09:38,274 INFO  L363   chiAutomizerObserver]: Analyzing ICFG Waldkirch.c
[2024-12-02 15:09:38,334 INFO  L300   stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 15:09:38,334 INFO  L301   stractBuchiCegarLoop]: Hoare is None
[2024-12-02 15:09:38,334 INFO  L302   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 15:09:38,334 INFO  L303   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 15:09:38,334 INFO  L304   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 15:09:38,335 INFO  L305   stractBuchiCegarLoop]: Difference is false
[2024-12-02 15:09:38,335 INFO  L306   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 15:09:38,335 INFO  L310   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 15:09:38,341 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:09:38,358 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2024-12-02 15:09:38,358 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 15:09:38,358 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 15:09:38,363 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-12-02 15:09:38,363 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2024-12-02 15:09:38,364 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 15:09:38,364 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:09:38,365 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2024-12-02 15:09:38,365 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 15:09:38,365 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-12-02 15:09:38,365 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-12-02 15:09:38,365 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2024-12-02 15:09:38,373 INFO  L747   eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" 
[2024-12-02 15:09:38,373 INFO  L749   eck$LassoCheckResult]: Loop: "assume main_~x~0#1 >= 0;" "main_~x~0#1 := main_~x~0#1 - 1;" 
[2024-12-02 15:09:38,379 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:38,379 INFO  L85        PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2024-12-02 15:09:38,388 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:38,388 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665556818]
[2024-12-02 15:09:38,389 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:38,389 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:38,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:38,458 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:09:38,460 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:38,470 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 15:09:38,472 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:38,472 INFO  L85        PathProgramCache]: Analyzing trace with hash 1221, now seen corresponding path program 1 times
[2024-12-02 15:09:38,472 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:38,473 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96636713]
[2024-12-02 15:09:38,473 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:38,473 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:38,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:38,481 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:09:38,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:38,484 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 15:09:38,485 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:38,486 INFO  L85        PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times
[2024-12-02 15:09:38,486 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:38,486 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861853564]
[2024-12-02 15:09:38,486 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:38,486 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:38,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:38,490 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:09:38,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:38,493 INFO  L130   FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 15:09:38,555 INFO  L204          LassoAnalysis]: Preferences:
[2024-12-02 15:09:38,555 INFO  L125   ssoRankerPreferences]: Compute integeral hull: false
[2024-12-02 15:09:38,555 INFO  L126   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-12-02 15:09:38,556 INFO  L127   ssoRankerPreferences]: Term annotations enabled: false
[2024-12-02 15:09:38,556 INFO  L128   ssoRankerPreferences]: Use exernal solver: true
[2024-12-02 15:09:38,556 INFO  L129   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 15:09:38,556 INFO  L130   ssoRankerPreferences]: Dump SMT script to file: false
[2024-12-02 15:09:38,556 INFO  L131   ssoRankerPreferences]: Path of dumped script: 
[2024-12-02 15:09:38,556 INFO  L132   ssoRankerPreferences]: Filename of dumped script: Waldkirch.c_Iteration1_Loop
[2024-12-02 15:09:38,556 INFO  L133   ssoRankerPreferences]: MapElimAlgo: Frank
[2024-12-02 15:09:38,556 INFO  L241          LassoAnalysis]: Starting lasso preprocessing...
[2024-12-02 15:09:38,569 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-12-02 15:09:38,587 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-12-02 15:09:38,592 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-12-02 15:09:38,655 INFO  L259          LassoAnalysis]: Preprocessing complete.
[2024-12-02 15:09:38,655 INFO  L365          LassoAnalysis]: Checking for nontermination...
[2024-12-02 15:09:38,657 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 15:09:38,657 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:09:38,659 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 15:09:38,661 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2024-12-02 15:09:38,662 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-12-02 15:09:38,662 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2024-12-02 15:09:38,684 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0
[2024-12-02 15:09:38,684 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 15:09:38,684 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:09:38,686 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 15:09:38,686 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2024-12-02 15:09:38,688 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2024-12-02 15:09:38,688 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2024-12-02 15:09:38,717 INFO  L405          LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2024-12-02 15:09:38,719 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0
[2024-12-02 15:09:38,719 INFO  L204          LassoAnalysis]: Preferences:
[2024-12-02 15:09:38,720 INFO  L125   ssoRankerPreferences]: Compute integeral hull: false
[2024-12-02 15:09:38,720 INFO  L126   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-12-02 15:09:38,720 INFO  L127   ssoRankerPreferences]: Term annotations enabled: false
[2024-12-02 15:09:38,720 INFO  L128   ssoRankerPreferences]: Use exernal solver: false
[2024-12-02 15:09:38,720 INFO  L129   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 15:09:38,720 INFO  L130   ssoRankerPreferences]: Dump SMT script to file: false
[2024-12-02 15:09:38,720 INFO  L131   ssoRankerPreferences]: Path of dumped script: 
[2024-12-02 15:09:38,720 INFO  L132   ssoRankerPreferences]: Filename of dumped script: Waldkirch.c_Iteration1_Loop
[2024-12-02 15:09:38,720 INFO  L133   ssoRankerPreferences]: MapElimAlgo: Frank
[2024-12-02 15:09:38,720 INFO  L241          LassoAnalysis]: Starting lasso preprocessing...
[2024-12-02 15:09:38,722 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-12-02 15:09:38,730 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-12-02 15:09:38,738 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-12-02 15:09:38,794 INFO  L259          LassoAnalysis]: Preprocessing complete.
[2024-12-02 15:09:38,797 INFO  L451          LassoAnalysis]: Using template 'affine'.
[2024-12-02 15:09:38,798 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 15:09:38,798 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:09:38,800 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 15:09:38,801 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2024-12-02 15:09:38,802 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2024-12-02 15:09:38,815 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2024-12-02 15:09:38,815 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2024-12-02 15:09:38,816 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2024-12-02 15:09:38,816 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2024-12-02 15:09:38,816 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2024-12-02 15:09:38,821 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2024-12-02 15:09:38,821 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2024-12-02 15:09:38,825 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2024-12-02 15:09:38,829 INFO  L443   ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2024-12-02 15:09:38,832 INFO  L444   ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero.
[2024-12-02 15:09:38,833 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 15:09:38,833 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:09:38,843 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 15:09:38,844 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2024-12-02 15:09:38,845 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2024-12-02 15:09:38,845 INFO  L438   nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2024-12-02 15:09:38,845 INFO  L474          LassoAnalysis]: Proved termination.
[2024-12-02 15:09:38,846 INFO  L476          LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1
Supporting invariants []
[2024-12-02 15:09:38,852 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0
[2024-12-02 15:09:38,857 INFO  L156   tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2024-12-02 15:09:38,891 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:38,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:09:38,900 WARN  L254         TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 15:09:38,901 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:09:38,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:09:38,914 WARN  L254         TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 15:09:38,914 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:09:38,944 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:09:38,967 INFO  L141   lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 
[2024-12-02 15:09:38,968 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand  has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 15:09:39,016 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand  has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand  has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Result 14 states and 17 transitions. Complement of second has 6 states.
[2024-12-02 15:09:39,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states 
[2024-12-02 15:09:39,022 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 15:09:39,026 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions.
[2024-12-02 15:09:39,030 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters.
[2024-12-02 15:09:39,030 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2024-12-02 15:09:39,030 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters.
[2024-12-02 15:09:39,031 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2024-12-02 15:09:39,031 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters.
[2024-12-02 15:09:39,031 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2024-12-02 15:09:39,032 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions.
[2024-12-02 15:09:39,033 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-12-02 15:09:39,035 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions.
[2024-12-02 15:09:39,036 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2024-12-02 15:09:39,036 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2024-12-02 15:09:39,036 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2024-12-02 15:09:39,037 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 15:09:39,037 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 15:09:39,037 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 15:09:39,037 INFO  L425   stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 15:09:39,037 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 15:09:39,037 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2024-12-02 15:09:39,037 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-12-02 15:09:39,037 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2024-12-02 15:09:39,043 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 03:09:39 BoogieIcfgContainer
[2024-12-02 15:09:39,043 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 15:09:39,044 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:09:39,044 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:09:39,044 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-02 15:09:39,045 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:09:38" (3/4) ...
[2024-12-02 15:09:39,048 INFO  L149         WitnessPrinter]: No result that supports witness generation found
[2024-12-02 15:09:39,049 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:09:39,050 INFO  L158              Benchmark]: Toolchain (without parser) took 1168.30ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 63.6MB in the end (delta: 53.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-12-02 15:09:39,050 INFO  L158              Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:09:39,051 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 155.57ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 107.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:09:39,051 INFO  L158              Benchmark]: Boogie Procedure Inliner took 21.81ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 831.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:09:39,051 INFO  L158              Benchmark]: Boogie Preprocessor took 20.50ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.6MB in the end (delta: 817.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:09:39,052 INFO  L158              Benchmark]: RCFGBuilder took 181.19ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 97.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:09:39,052 INFO  L158              Benchmark]: BuchiAutomizer took 779.19ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 63.9MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-02 15:09:39,053 INFO  L158              Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 63.6MB in the end (delta: 265.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:09:39,055 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 155.57ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 107.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 21.81ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 831.3kB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 20.50ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.6MB in the end (delta: 817.7kB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 181.19ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 97.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 779.19ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 63.9MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
 * Witness Printer took 4.80ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 63.6MB in the end (delta: 265.0kB). 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
    Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) 2 * x) + 1) and consists of 4 locations. 
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 0.7s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks:   Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 48ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 1	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!
[2024-12-02 15:09:39,068 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0
[2024-12-02 15:09:39,269 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ffcfb93-bb04-4056-a362-0d9b614bbd09/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
Writing output log to file Ultimate.log
Result:
TRUE