./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaB14.c --full-output --architecture 64bit


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


Checking for termination
Using default analysis
Version 20ed64ec
Calling Ultimate with: /usr/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/termination-restricted-15/PastaB14.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 512f7e19ac2b7cb7541d6a7df13b26d3df8b69a4
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-20ed64e
[2021-08-27 14:11:44,952 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-08-27 14:11:44,956 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-08-27 14:11:44,996 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-08-27 14:11:44,997 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-08-27 14:11:45,001 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-08-27 14:11:45,002 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-08-27 14:11:45,008 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-08-27 14:11:45,010 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-08-27 14:11:45,015 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-08-27 14:11:45,016 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-08-27 14:11:45,020 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-08-27 14:11:45,020 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-08-27 14:11:45,022 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-08-27 14:11:45,023 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-08-27 14:11:45,023 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-08-27 14:11:45,027 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-08-27 14:11:45,027 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-08-27 14:11:45,028 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-08-27 14:11:45,033 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-08-27 14:11:45,037 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-08-27 14:11:45,038 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-08-27 14:11:45,039 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-08-27 14:11:45,040 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-08-27 14:11:45,042 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-08-27 14:11:45,043 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-08-27 14:11:45,043 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-08-27 14:11:45,045 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-08-27 14:11:45,045 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-08-27 14:11:45,046 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-08-27 14:11:45,046 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-08-27 14:11:45,047 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-08-27 14:11:45,048 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-08-27 14:11:45,049 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-08-27 14:11:45,050 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-08-27 14:11:45,050 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-08-27 14:11:45,051 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-08-27 14:11:45,051 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-08-27 14:11:45,052 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-08-27 14:11:45,053 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-08-27 14:11:45,054 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-08-27 14:11:45,054 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf
[2021-08-27 14:11:45,086 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-08-27 14:11:45,087 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-08-27 14:11:45,087 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-08-27 14:11:45,087 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-08-27 14:11:45,088 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-08-27 14:11:45,088 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-08-27 14:11:45,088 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-08-27 14:11:45,088 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-08-27 14:11:45,088 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-08-27 14:11:45,089 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-08-27 14:11:45,089 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-08-27 14:11:45,089 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-08-27 14:11:45,089 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-08-27 14:11:45,089 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-08-27 14:11:45,089 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-08-27 14:11:45,089 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-08-27 14:11:45,090 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-08-27 14:11:45,090 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-08-27 14:11:45,090 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-08-27 14:11:45,096 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-08-27 14:11:45,096 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-08-27 14:11:45,096 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-08-27 14:11:45,097 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-08-27 14:11:45,097 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-08-27 14:11:45,097 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-08-27 14:11:45,097 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-08-27 14:11:45,097 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-08-27 14:11:45,097 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-08-27 14:11:45,097 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-08-27 14:11:45,098 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-08-27 14:11:45,098 INFO  L138        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 512f7e19ac2b7cb7541d6a7df13b26d3df8b69a4
[2021-08-27 14:11:45,364 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-08-27 14:11:45,388 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-08-27 14:11:45,391 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-08-27 14:11:45,391 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-08-27 14:11:45,392 INFO  L275        PluginConnector]: CDTParser initialized
[2021-08-27 14:11:45,393 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaB14.c
[2021-08-27 14:11:45,465 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71aea284/98b74deaf5d84a7aa0396f5d71c07ae5/FLAG958319b0d
[2021-08-27 14:11:45,864 INFO  L306              CDTParser]: Found 1 translation units.
[2021-08-27 14:11:45,864 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB14.c
[2021-08-27 14:11:45,869 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71aea284/98b74deaf5d84a7aa0396f5d71c07ae5/FLAG958319b0d
[2021-08-27 14:11:46,293 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71aea284/98b74deaf5d84a7aa0396f5d71c07ae5
[2021-08-27 14:11:46,296 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-08-27 14:11:46,298 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-08-27 14:11:46,299 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-08-27 14:11:46,299 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-08-27 14:11:46,303 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-08-27 14:11:46,303 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,305 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f3c592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46, skipping insertion in model container
[2021-08-27 14:11:46,305 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,311 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-08-27 14:11:46,321 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-08-27 14:11:46,419 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-08-27 14:11:46,422 INFO  L203         MainTranslator]: Completed pre-run
[2021-08-27 14:11:46,431 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-08-27 14:11:46,440 INFO  L208         MainTranslator]: Completed translation
[2021-08-27 14:11:46,440 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46 WrapperNode
[2021-08-27 14:11:46,441 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-08-27 14:11:46,441 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-08-27 14:11:46,442 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-08-27 14:11:46,442 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-08-27 14:11:46,473 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,476 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,492 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-08-27 14:11:46,493 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-08-27 14:11:46,493 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-08-27 14:11:46,494 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-08-27 14:11:46,499 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,499 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,500 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,500 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,501 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,505 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,505 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,506 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-08-27 14:11:46,508 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-08-27 14:11:46,508 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-08-27 14:11:46,509 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-08-27 14:11:46,510 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (1/1) ...
[2021-08-27 14:11:46,516 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:46,521 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:11:46,530 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)
[2021-08-27 14:11:46,556 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
[2021-08-27 14:11:46,578 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-08-27 14:11:46,578 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-08-27 14:11:46,697 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-08-27 14:11:46,697 INFO  L299             CfgBuilder]: Removed 6 assume(true) statements.
[2021-08-27 14:11:46,699 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:11:46 BoogieIcfgContainer
[2021-08-27 14:11:46,699 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-08-27 14:11:46,700 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-08-27 14:11:46,700 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-08-27 14:11:46,702 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-08-27 14:11:46,703 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-08-27 14:11:46,703 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:11:46" (1/3) ...
[2021-08-27 14:11:46,704 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a3debdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:11:46, skipping insertion in model container
[2021-08-27 14:11:46,704 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-08-27 14:11:46,704 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:46" (2/3) ...
[2021-08-27 14:11:46,704 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a3debdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:11:46, skipping insertion in model container
[2021-08-27 14:11:46,705 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-08-27 14:11:46,705 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:11:46" (3/3) ...
[2021-08-27 14:11:46,706 INFO  L389   chiAutomizerObserver]: Analyzing ICFG PastaB14.c
[2021-08-27 14:11:46,749 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-08-27 14:11:46,749 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-08-27 14:11:46,749 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-08-27 14:11:46,750 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-08-27 14:11:46,750 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-08-27 14:11:46,750 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-08-27 14:11:46,750 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-08-27 14:11:46,750 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-08-27 14:11:46,761 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-27 14:11:46,774 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-08-27 14:11:46,775 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-08-27 14:11:46,775 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-08-27 14:11:46,779 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1]
[2021-08-27 14:11:46,779 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-08-27 14:11:46,779 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-08-27 14:11:46,780 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-27 14:11:46,781 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-08-27 14:11:46,781 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-08-27 14:11:46,781 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-08-27 14:11:46,781 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1]
[2021-08-27 14:11:46,782 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-08-27 14:11:46,795 INFO  L791   eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L12-3true 
[2021-08-27 14:11:46,795 INFO  L793   eck$LassoCheckResult]: Loop: 7#L12-3true assume !!(main_~x~0 == main_~y~0 && main_~x~0 > 0); 3#L12-2true assume !(main_~y~0 > 0); 7#L12-3true 
[2021-08-27 14:11:46,800 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:11:46,800 INFO  L82        PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times
[2021-08-27 14:11:46,808 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:11:46,809 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339039623]
[2021-08-27 14:11:46,809 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:11:46,810 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:11:46,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:11:46,869 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-27 14:11:46,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:11:46,888 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-27 14:11:46,892 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:11:46,892 INFO  L82        PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times
[2021-08-27 14:11:46,892 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:11:46,893 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071534230]
[2021-08-27 14:11:46,893 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:11:46,894 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:11:46,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-27 14:11:46,974 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-27 14:11:46,975 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-27 14:11:46,976 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071534230]
[2021-08-27 14:11:46,977 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071534230] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-27 14:11:46,977 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-27 14:11:46,977 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-08-27 14:11:46,977 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179092409]
[2021-08-27 14:11:46,981 INFO  L808   eck$LassoCheckResult]: loop already infeasible
[2021-08-27 14:11:46,982 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-27 14:11:46,999 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-27 14:11:47,000 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-27 14:11:47,002 INFO  L87              Difference]: Start difference. First operand  has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-27 14:11:47,053 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-27 14:11:47,053 INFO  L93              Difference]: Finished difference Result 8 states and 9 transitions.
[2021-08-27 14:11:47,054 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-27 14:11:47,055 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions.
[2021-08-27 14:11:47,056 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2021-08-27 14:11:47,059 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions.
[2021-08-27 14:11:47,059 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 4
[2021-08-27 14:11:47,060 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 4
[2021-08-27 14:11:47,060 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions.
[2021-08-27 14:11:47,060 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-08-27 14:11:47,060 INFO  L681         BuchiCegarLoop]: Abstraction has 4 states and 5 transitions.
[2021-08-27 14:11:47,086 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions.
[2021-08-27 14:11:47,091 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4.
[2021-08-27 14:11:47,092 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-27 14:11:47,092 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions.
[2021-08-27 14:11:47,093 INFO  L704         BuchiCegarLoop]: Abstraction has 4 states and 5 transitions.
[2021-08-27 14:11:47,108 INFO  L587         BuchiCegarLoop]: Abstraction has 4 states and 5 transitions.
[2021-08-27 14:11:47,109 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-08-27 14:11:47,109 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions.
[2021-08-27 14:11:47,109 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2021-08-27 14:11:47,109 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-08-27 14:11:47,110 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-08-27 14:11:47,110 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1]
[2021-08-27 14:11:47,110 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-08-27 14:11:47,110 INFO  L791   eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 27#L12-3 
[2021-08-27 14:11:47,110 INFO  L793   eck$LassoCheckResult]: Loop: 27#L12-3 assume !!(main_~x~0 == main_~y~0 && main_~x~0 > 0); 24#L12-2 assume !!(main_~y~0 > 0);main_~x~0 := main_~x~0 - 1;main_~y~0 := main_~y~0 - 1; 25#L12-2 assume !(main_~y~0 > 0); 27#L12-3 
[2021-08-27 14:11:47,111 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:11:47,111 INFO  L82        PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times
[2021-08-27 14:11:47,111 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:11:47,112 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069313318]
[2021-08-27 14:11:47,112 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:11:47,112 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:11:47,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:11:47,115 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-27 14:11:47,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:11:47,118 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-27 14:11:47,119 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:11:47,119 INFO  L82        PathProgramCache]: Analyzing trace with hash 40007, now seen corresponding path program 1 times
[2021-08-27 14:11:47,119 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:11:47,119 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150014143]
[2021-08-27 14:11:47,119 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:11:47,120 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:11:47,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:11:47,134 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-27 14:11:47,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:11:47,139 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-27 14:11:47,139 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:11:47,139 INFO  L82        PathProgramCache]: Analyzing trace with hash 963528, now seen corresponding path program 1 times
[2021-08-27 14:11:47,140 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:11:47,140 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139574607]
[2021-08-27 14:11:47,140 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:11:47,140 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:11:47,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:11:47,145 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-27 14:11:47,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:11:47,150 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-27 14:11:47,281 INFO  L210          LassoAnalysis]: Preferences:
[2021-08-27 14:11:47,282 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-08-27 14:11:47,282 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-08-27 14:11:47,282 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-08-27 14:11:47,283 INFO  L129   ssoRankerPreferences]: Use exernal solver: true
[2021-08-27 14:11:47,283 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:47,287 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-08-27 14:11:47,287 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-08-27 14:11:47,287 INFO  L133   ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop
[2021-08-27 14:11:47,287 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-08-27 14:11:47,288 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-08-27 14:11:47,303 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-08-27 14:11:47,310 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-08-27 14:11:47,316 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-08-27 14:11:47,472 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-08-27 14:11:47,472 INFO  L404          LassoAnalysis]: Checking for nontermination...
[2021-08-27 14:11:47,474 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:47,480 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:11:47,485 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)
[2021-08-27 14:11:47,490 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-08-27 14:11:47,490 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-08-27 14:11:47,507 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
[2021-08-27 14:11:47,524 INFO  L437          LassoAnalysis]: Proved nontermination for one component.
[2021-08-27 14:11:47,524 INFO  L440          LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2021-08-27 14:11:47,553 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
[2021-08-27 14:11:47,554 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:47,554 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:11:47,555 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)
[2021-08-27 14:11:47,557 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
[2021-08-27 14:11:47,559 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-08-27 14:11:47,559 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-08-27 14:11:47,585 INFO  L437          LassoAnalysis]: Proved nontermination for one component.
[2021-08-27 14:11:47,585 INFO  L440          LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2021-08-27 14:11:47,611 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-08-27 14:11:47,611 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:47,612 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:11:47,617 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)
[2021-08-27 14:11:47,619 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
[2021-08-27 14:11:47,621 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-08-27 14:11:47,621 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-08-27 14:11:47,671 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
[2021-08-27 14:11:47,671 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:47,672 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:11:47,673 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)
[2021-08-27 14:11:47,674 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
[2021-08-27 14:11:47,676 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2021-08-27 14:11:47,676 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-08-27 14:11:47,733 INFO  L444          LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2021-08-27 14:11:47,740 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
[2021-08-27 14:11:47,740 INFO  L210          LassoAnalysis]: Preferences:
[2021-08-27 14:11:47,741 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-08-27 14:11:47,741 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-08-27 14:11:47,741 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-08-27 14:11:47,741 INFO  L129   ssoRankerPreferences]: Use exernal solver: false
[2021-08-27 14:11:47,741 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:47,741 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-08-27 14:11:47,741 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-08-27 14:11:47,741 INFO  L133   ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop
[2021-08-27 14:11:47,741 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-08-27 14:11:47,741 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-08-27 14:11:47,743 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-08-27 14:11:47,750 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-08-27 14:11:47,756 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-08-27 14:11:47,840 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-08-27 14:11:47,844 INFO  L490          LassoAnalysis]: Using template 'affine'.
[2021-08-27 14:11:47,845 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:47,845 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:11:47,846 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)
[2021-08-27 14:11:47,848 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
[2021-08-27 14:11:47,849 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
[2021-08-27 14:11:47,860 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-08-27 14:11:47,861 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-08-27 14:11:47,861 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-08-27 14:11:47,861 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-08-27 14:11:47,866 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-08-27 14:11:47,866 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-08-27 14:11:47,885 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-08-27 14:11:47,910 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2021-08-27 14:11:47,910 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:47,910 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:11:47,911 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)
[2021-08-27 14:11:47,913 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
[2021-08-27 14:11:47,914 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
[2021-08-27 14:11:47,922 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-08-27 14:11:47,923 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-08-27 14:11:47,923 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-08-27 14:11:47,923 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-08-27 14:11:47,934 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-08-27 14:11:47,934 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-08-27 14:11:47,952 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-08-27 14:11:47,979 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2021-08-27 14:11:47,979 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:47,980 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:11:47,981 INFO  L229       MonitoredProcess]: Starting monitored process 8 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)
[2021-08-27 14:11:47,987 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
[2021-08-27 14:11:47,996 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-08-27 14:11:47,996 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-08-27 14:11:47,996 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-08-27 14:11:47,996 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-08-27 14:11:47,996 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-08-27 14:11:47,999 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-08-27 14:11:47,999 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-08-27 14:11:48,002 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2021-08-27 14:11:48,011 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-08-27 14:11:48,026 INFO  L443   ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2021-08-27 14:11:48,026 INFO  L444   ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero.
[2021-08-27 14:11:48,028 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:11:48,028 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:11:48,030 INFO  L229       MonitoredProcess]: Starting monitored process 9 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)
[2021-08-27 14:11:48,031 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2021-08-27 14:11:48,032 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-08-27 14:11:48,032 INFO  L438   nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2021-08-27 14:11:48,032 INFO  L513          LassoAnalysis]: Proved termination.
[2021-08-27 14:11:48,033 INFO  L515          LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0
Supporting invariants []
[2021-08-27 14:11:48,059 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2021-08-27 14:11:48,061 INFO  L297   tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2021-08-27 14:11:48,079 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:11:48,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-27 14:11:48,089 INFO  L263         TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-08-27 14:11:48,090 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-27 14:11:48,097 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-27 14:11:48,097 INFO  L263         TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-08-27 14:11:48,098 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-27 14:11:48,135 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-27 14:11:48,139 INFO  L152   lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 
[2021-08-27 14:11:48,141 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand  has 4 states, 4 states have (on average 1.0) 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)
[2021-08-27 14:11:48,181 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand  has 4 states, 4 states have (on average 1.0) 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 8 states and 9 transitions. Complement of second has 6 states.
[2021-08-27 14:11:48,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 
[2021-08-27 14:11:48,182 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4 states, 4 states have (on average 1.0) 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)
[2021-08-27 14:11:48,183 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions.
[2021-08-27 14:11:48,184 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 1 letters. Loop has 3 letters.
[2021-08-27 14:11:48,184 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-08-27 14:11:48,185 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 4 letters. Loop has 3 letters.
[2021-08-27 14:11:48,187 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-08-27 14:11:48,187 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 1 letters. Loop has 6 letters.
[2021-08-27 14:11:48,187 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-08-27 14:11:48,188 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions.
[2021-08-27 14:11:48,189 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-08-27 14:11:48,189 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions.
[2021-08-27 14:11:48,189 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-08-27 14:11:48,189 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-08-27 14:11:48,189 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-08-27 14:11:48,189 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-08-27 14:11:48,189 INFO  L681         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-08-27 14:11:48,190 INFO  L704         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-08-27 14:11:48,190 INFO  L587         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-08-27 14:11:48,190 INFO  L425         BuchiCegarLoop]: ======== Iteration 3============
[2021-08-27 14:11:48,190 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2021-08-27 14:11:48,190 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-08-27 14:11:48,190 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-08-27 14:11:48,195 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:11:48 BoogieIcfgContainer
[2021-08-27 14:11:48,195 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-08-27 14:11:48,196 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-08-27 14:11:48,196 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-08-27 14:11:48,196 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-08-27 14:11:48,197 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:11:46" (3/4) ...
[2021-08-27 14:11:48,199 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-08-27 14:11:48,199 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-08-27 14:11:48,201 INFO  L168              Benchmark]: Toolchain (without parser) took 1901.82 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.7 MB in the beginning and 27.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB.
[2021-08-27 14:11:48,202 INFO  L168              Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.6 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-08-27 14:11:48,203 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 142.06 ms. Allocated memory is still 52.4 MB. Free memory was 29.5 MB in the beginning and 34.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB.
[2021-08-27 14:11:48,208 INFO  L168              Benchmark]: Boogie Procedure Inliner took 51.11 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 34.9 MB in the beginning and 46.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-08-27 14:11:48,208 INFO  L168              Benchmark]: Boogie Preprocessor took 13.25 ms. Allocated memory is still 62.9 MB. Free memory was 46.5 MB in the beginning and 45.7 MB in the end (delta: 857.8 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-08-27 14:11:48,209 INFO  L168              Benchmark]: RCFGBuilder took 191.07 ms. Allocated memory is still 62.9 MB. Free memory was 45.5 MB in the beginning and 36.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-08-27 14:11:48,210 INFO  L168              Benchmark]: BuchiAutomizer took 1494.99 ms. Allocated memory is still 62.9 MB. Free memory was 36.8 MB in the beginning and 27.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB.
[2021-08-27 14:11:48,210 INFO  L168              Benchmark]: Witness Printer took 3.10 ms. Allocated memory is still 62.9 MB. Free memory is still 27.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-08-27 14:11:48,217 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.6 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 142.06 ms. Allocated memory is still 52.4 MB. Free memory was 29.5 MB in the beginning and 34.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 51.11 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 34.9 MB in the beginning and 46.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 13.25 ms. Allocated memory is still 62.9 MB. Free memory was 46.5 MB in the beginning and 45.7 MB in the end (delta: 857.8 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * RCFGBuilder took 191.07 ms. Allocated memory is still 62.9 MB. Free memory was 45.5 MB in the beginning and 36.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 1494.99 ms. Allocated memory is still 62.9 MB. Free memory was 36.8 MB in the beginning and 27.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB.
 * Witness Printer took 3.10 ms. Allocated memory is still 62.9 MB. Free memory is still 27.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 1.4s and 3 iterations.  TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 7.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1.	Nontrivial modules had stage [1, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/1	HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 3 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.2ms Time	LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks:   Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp76 dnf100 smp100 tf107 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 1	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.2s	
  - TerminationAnalysisResult: Termination proven
    Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2021-08-27 14:11:48,249 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2021-08-27 14:11:48,461 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...