./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/gsv2008.i --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version 803cd42f
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-lit/gsv2008.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-23 02:38:04,125 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-23 02:38:04,168 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-11-23 02:38:04,171 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 02:38:04,171 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 02:38:04,189 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 02:38:04,190 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 02:38:04,190 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 02:38:04,191 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 02:38:04,191 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-23 02:38:04,191 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 02:38:04,192 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-23 02:38:04,192 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-23 02:38:04,192 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-23 02:38:04,192 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2024-11-23 02:38:04,193 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2024-11-23 02:38:04,193 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2024-11-23 02:38:04,193 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2024-11-23 02:38:04,194 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-23 02:38:04,194 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 02:38:04,194 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2024-11-23 02:38:04,195 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-23 02:38:04,195 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-23 02:38:04,195 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-23 02:38:04,195 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-23 02:38:04,196 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2024-11-23 02:38:04,196 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-23 02:38:04,196 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2024-11-23 02:38:04,196 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-23 02:38:04,197 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-23 02:38:04,197 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-23 02:38:04,197 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-23 02:38:04,197 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2024-11-23 02:38:04,198 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-23 02:38:04,198 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 02:38:04,198 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 02:38:04,198 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 02:38:04,199 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-23 02:38:04,199 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-23 02:38:04,199 INFO  L153        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
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 -> d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418
[2024-11-23 02:38:04,387 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 02:38:04,411 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 02:38:04,414 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 02:38:04,416 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-23 02:38:04,416 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-23 02:38:04,417 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gsv2008.i
[2024-11-23 02:38:05,904 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-23 02:38:06,051 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-23 02:38:06,051 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gsv2008.i
[2024-11-23 02:38:06,057 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c86bf56d3/a1f38a5b588644b79ca1ff70f4a0fb8f/FLAG8d333678b
[2024-11-23 02:38:06,075 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c86bf56d3/a1f38a5b588644b79ca1ff70f4a0fb8f
[2024-11-23 02:38:06,077 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 02:38:06,079 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 02:38:06,080 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 02:38:06,080 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 02:38:06,085 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 02:38:06,086 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,087 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750d96e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06, skipping insertion in model container
[2024-11-23 02:38:06,087 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,111 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-23 02:38:06,262 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 02:38:06,269 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-23 02:38:06,280 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 02:38:06,294 INFO  L204         MainTranslator]: Completed translation
[2024-11-23 02:38:06,295 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06 WrapperNode
[2024-11-23 02:38:06,295 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 02:38:06,296 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 02:38:06,296 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 02:38:06,296 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 02:38:06,301 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,306 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,341 INFO  L138                Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36
[2024-11-23 02:38:06,341 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 02:38:06,342 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 02:38:06,342 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 02:38:06,342 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 02:38:06,350 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,351 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,351 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,362 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-23 02:38:06,366 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,367 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,368 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,374 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,375 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,375 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,376 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 02:38:06,377 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 02:38:06,377 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 02:38:06,381 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-23 02:38:06,382 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ...
[2024-11-23 02:38:06,403 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 02:38:06,413 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-23 02:38:06,435 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-23 02:38:06,440 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-23 02:38:06,481 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 02:38:06,481 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 02:38:06,482 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 02:38:06,482 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 02:38:06,527 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-23 02:38:06,529 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 02:38:06,674 INFO  L?                        ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-23 02:38:06,675 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-23 02:38:06,696 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 02:38:06,697 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-23 02:38:06,697 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:06 BoogieIcfgContainer
[2024-11-23 02:38:06,697 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 02:38:06,698 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-23 02:38:06,698 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2024-11-23 02:38:06,709 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2024-11-23 02:38:06,710 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 02:38:06,711 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:38:06" (1/3) ...
[2024-11-23 02:38:06,712 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79619cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:38:06, skipping insertion in model container
[2024-11-23 02:38:06,712 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 02:38:06,712 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (2/3) ...
[2024-11-23 02:38:06,712 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79619cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:38:06, skipping insertion in model container
[2024-11-23 02:38:06,713 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 02:38:06,713 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:06" (3/3) ...
[2024-11-23 02:38:06,714 INFO  L332   chiAutomizerObserver]: Analyzing ICFG gsv2008.i
[2024-11-23 02:38:06,760 INFO  L300   stractBuchiCegarLoop]: Interprodecural is true
[2024-11-23 02:38:06,760 INFO  L301   stractBuchiCegarLoop]: Hoare is None
[2024-11-23 02:38:06,760 INFO  L302   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-23 02:38:06,760 INFO  L303   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-23 02:38:06,761 INFO  L304   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-23 02:38:06,761 INFO  L305   stractBuchiCegarLoop]: Difference is false
[2024-11-23 02:38:06,761 INFO  L306   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-23 02:38:06,761 INFO  L310   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-23 02:38:06,765 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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)
[2024-11-23 02:38:06,778 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 1
[2024-11-23 02:38:06,779 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 02:38:06,779 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-11-23 02:38:06,783 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2024-11-23 02:38:06,783 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1]
[2024-11-23 02:38:06,784 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-23 02:38:06,784 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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)
[2024-11-23 02:38:06,786 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 1
[2024-11-23 02:38:06,786 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 02:38:06,786 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2024-11-23 02:38:06,787 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2024-11-23 02:38:06,787 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1]
[2024-11-23 02:38:06,792 INFO  L745   eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := -50;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L28true assume !!(-1000 < main_~y~0#1 && main_~y~0#1 < 1000000); 12#L29-2true 
[2024-11-23 02:38:06,793 INFO  L747   eck$LassoCheckResult]: Loop: 12#L29-2true assume !!(main_~x~0#1 < 0);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_#t~post2#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 12#L29-2true 
[2024-11-23 02:38:06,798 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 02:38:06,800 INFO  L85        PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times
[2024-11-23 02:38:06,807 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 02:38:06,808 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293321940]
[2024-11-23 02:38:06,808 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 02:38:06,808 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 02:38:06,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 02:38:06,884 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 02:38:06,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 02:38:06,906 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 02:38:06,909 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 02:38:06,910 INFO  L85        PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times
[2024-11-23 02:38:06,910 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 02:38:06,910 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022837382]
[2024-11-23 02:38:06,910 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 02:38:06,911 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 02:38:06,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 02:38:06,918 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 02:38:06,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 02:38:06,923 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 02:38:06,924 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 02:38:06,924 INFO  L85        PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times
[2024-11-23 02:38:06,924 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 02:38:06,925 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953213495]
[2024-11-23 02:38:06,925 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 02:38:06,925 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 02:38:06,937 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 02:38:06,940 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 02:38:06,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 02:38:06,951 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 02:38:07,018 INFO  L204          LassoAnalysis]: Preferences:
[2024-11-23 02:38:07,019 INFO  L125   ssoRankerPreferences]: Compute integeral hull: false
[2024-11-23 02:38:07,019 INFO  L126   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-23 02:38:07,019 INFO  L127   ssoRankerPreferences]: Term annotations enabled: false
[2024-11-23 02:38:07,019 INFO  L128   ssoRankerPreferences]: Use exernal solver: true
[2024-11-23 02:38:07,020 INFO  L129   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 02:38:07,020 INFO  L130   ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-23 02:38:07,020 INFO  L131   ssoRankerPreferences]: Path of dumped script: 
[2024-11-23 02:38:07,020 INFO  L132   ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop
[2024-11-23 02:38:07,020 INFO  L133   ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-23 02:38:07,021 INFO  L241          LassoAnalysis]: Starting lasso preprocessing...
[2024-11-23 02:38:07,035 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-23 02:38:07,049 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-23 02:38:07,089 INFO  L259          LassoAnalysis]: Preprocessing complete.
[2024-11-23 02:38:07,090 INFO  L365          LassoAnalysis]: Checking for nontermination...
[2024-11-23 02:38:07,093 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 02:38:07,093 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-23 02:38:07,099 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-23 02:38:07,108 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-23 02:38:07,108 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2024-11-23 02:38:07,111 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2024-11-23 02:38:07,133 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2024-11-23 02:38:07,133 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 02:38:07,134 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-23 02:38:07,137 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-23 02:38:07,137 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2024-11-23 02:38:07,142 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2024-11-23 02:38:07,142 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2024-11-23 02:38:07,206 INFO  L405          LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2024-11-23 02:38:07,211 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0
[2024-11-23 02:38:07,211 INFO  L204          LassoAnalysis]: Preferences:
[2024-11-23 02:38:07,211 INFO  L125   ssoRankerPreferences]: Compute integeral hull: false
[2024-11-23 02:38:07,212 INFO  L126   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-23 02:38:07,212 INFO  L127   ssoRankerPreferences]: Term annotations enabled: false
[2024-11-23 02:38:07,212 INFO  L128   ssoRankerPreferences]: Use exernal solver: false
[2024-11-23 02:38:07,212 INFO  L129   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 02:38:07,212 INFO  L130   ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-23 02:38:07,212 INFO  L131   ssoRankerPreferences]: Path of dumped script: 
[2024-11-23 02:38:07,212 INFO  L132   ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop
[2024-11-23 02:38:07,212 INFO  L133   ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-23 02:38:07,212 INFO  L241          LassoAnalysis]: Starting lasso preprocessing...
[2024-11-23 02:38:07,213 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-23 02:38:07,233 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-23 02:38:07,257 INFO  L259          LassoAnalysis]: Preprocessing complete.
[2024-11-23 02:38:07,261 INFO  L451          LassoAnalysis]: Using template 'affine'.
[2024-11-23 02:38:07,262 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 02:38:07,262 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-23 02:38:07,264 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-23 02:38:07,265 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2024-11-23 02:38:07,266 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
[2024-11-23 02:38:07,277 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2024-11-23 02:38:07,277 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2024-11-23 02:38:07,278 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-23 02:38:07,282 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-23 02:38:07,282 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-23 02:38:07,286 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2024-11-23 02:38:07,290 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2024-11-23 02:38:07,294 INFO  L488          LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-23 02:38:07,305 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2024-11-23 02:38:07,306 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 02:38:07,306 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-23 02:38:07,308 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-23 02:38:07,309 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2024-11-23 02:38:07,310 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
[2024-11-23 02:38:07,320 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2024-11-23 02:38:07,321 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2024-11-23 02:38:07,321 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-23 02:38:07,321 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-23 02:38:07,321 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-23 02:38:07,322 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2024-11-23 02:38:07,322 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2024-11-23 02:38:07,334 INFO  L488          LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-23 02:38:07,341 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2024-11-23 02:38:07,341 INFO  L451          LassoAnalysis]: Using template '2-nested'.
[2024-11-23 02:38:07,341 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 02:38:07,342 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-23 02:38:07,352 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-23 02:38:07,357 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2024-11-23 02:38:07,358 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
[2024-11-23 02:38:07,371 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2024-11-23 02:38:07,371 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2024-11-23 02:38:07,372 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-23 02:38:07,372 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-23 02:38:07,372 INFO  L205   nArgumentSynthesizer]: 3 template conjuncts.
[2024-11-23 02:38:07,375 INFO  L401   nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications.
[2024-11-23 02:38:07,375 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2024-11-23 02:38:07,384 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2024-11-23 02:38:07,405 INFO  L443   ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2024-11-23 02:38:07,405 INFO  L444   ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero.
[2024-11-23 02:38:07,407 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 02:38:07,407 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-23 02:38:07,412 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-23 02:38:07,414 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2024-11-23 02:38:07,418 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2024-11-23 02:38:07,418 INFO  L438   nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2024-11-23 02:38:07,418 INFO  L474          LassoAnalysis]: Proved termination.
[2024-11-23 02:38:07,419 INFO  L476          LassoAnalysis]: Termination argument consisting of:
Ranking function 2-nested ranking function:
  f0 = -2*ULTIMATE.start_main_~y~0#1 + 1
  f1 = -2*ULTIMATE.start_main_~x~0#1
Supporting invariants []
[2024-11-23 02:38:07,436 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0
[2024-11-23 02:38:07,452 INFO  L156   tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2024-11-23 02:38:07,458 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression
[2024-11-23 02:38:07,459 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression
[2024-11-23 02:38:07,476 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 02:38:07,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 02:38:07,489 INFO  L255         TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 02:38:07,490 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 02:38:07,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 02:38:07,503 WARN  L253         TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-23 02:38:07,504 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 02:38:07,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 02:38:07,528 INFO  L141   lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 
[2024-11-23 02:38:07,530 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand  has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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)
[2024-11-23 02:38:07,580 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0
[2024-11-23 02:38:07,606 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand  has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 26 states and 32 transitions. Complement of second has 4 states.
[2024-11-23 02:38:07,608 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states 
[2024-11-23 02:38:07,634 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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)
[2024-11-23 02:38:07,635 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions.
[2024-11-23 02:38:07,636 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 3 letters. Loop has 1 letters.
[2024-11-23 02:38:07,636 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2024-11-23 02:38:07,636 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 4 letters. Loop has 1 letters.
[2024-11-23 02:38:07,636 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2024-11-23 02:38:07,636 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 3 letters. Loop has 2 letters.
[2024-11-23 02:38:07,636 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2024-11-23 02:38:07,637 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions.
[2024-11-23 02:38:07,638 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-11-23 02:38:07,639 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions.
[2024-11-23 02:38:07,640 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2024-11-23 02:38:07,640 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2024-11-23 02:38:07,640 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2024-11-23 02:38:07,640 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-23 02:38:07,640 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 02:38:07,640 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 02:38:07,640 INFO  L425   stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 02:38:07,641 INFO  L332   stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-11-23 02:38:07,641 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2024-11-23 02:38:07,641 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-11-23 02:38:07,641 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2024-11-23 02:38:07,645 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:38:07 BoogieIcfgContainer
[2024-11-23 02:38:07,645 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-23 02:38:07,646 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 02:38:07,646 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-23 02:38:07,646 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-23 02:38:07,646 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:06" (3/4) ...
[2024-11-23 02:38:07,648 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-23 02:38:07,648 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 02:38:07,649 INFO  L158              Benchmark]: Toolchain (without parser) took 1570.38ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 85.2MB in the beginning and 159.4MB in the end (delta: -74.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 02:38:07,649 INFO  L158              Benchmark]: CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 105.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 02:38:07,650 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 215.46ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 72.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-23 02:38:07,650 INFO  L158              Benchmark]: Boogie Procedure Inliner took 45.49ms. Allocated memory is still 155.2MB. Free memory was 72.8MB in the beginning and 126.1MB in the end (delta: -53.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB.
[2024-11-23 02:38:07,650 INFO  L158              Benchmark]: Boogie Preprocessor took 34.52ms. Allocated memory is still 155.2MB. Free memory was 126.1MB in the beginning and 124.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 02:38:07,650 INFO  L158              Benchmark]: RCFGBuilder took 320.34ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 124.4MB in the beginning and 156.4MB in the end (delta: -32.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 02:38:07,651 INFO  L158              Benchmark]: BuchiAutomizer took 947.63ms. Allocated memory is still 192.9MB. Free memory was 156.4MB in the beginning and 159.4MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 02:38:07,651 INFO  L158              Benchmark]: Witness Printer took 2.76ms. Allocated memory is still 192.9MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 02:38:07,653 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 105.1kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 215.46ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 72.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 45.49ms. Allocated memory is still 155.2MB. Free memory was 72.8MB in the beginning and 126.1MB in the end (delta: -53.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 34.52ms. Allocated memory is still 155.2MB. Free memory was 126.1MB in the beginning and 124.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 320.34ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 124.4MB in the beginning and 156.4MB in the end (delta: -32.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 947.63ms. Allocated memory is still 192.9MB. Free memory was 156.4MB in the beginning and 159.4MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 2.76ms. Allocated memory is still 192.9MB. Free memory is still 159.4MB. 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: Expression type not yet supported in backtranslation: IfThenElseExpression
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression
 * 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 2-nested ranking function null, null and consists of 3 locations. 
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 0.8s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 0.6s. 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks:   Lassos: inital17 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 76ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 1	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.1s	InitialAbstractionConstructionTime: 0.0s
  - TerminationAnalysisResult: Termination proven
    Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2024-11-23 02:38:07,672 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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