./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/ConvLower.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/ConvLower.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 7bae4f7c3d0d0a015aa612e78087b008098dcb33
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-20ed64e
[2021-08-27 14:09:52,696 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-08-27 14:09:52,699 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-08-27 14:09:52,727 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-08-27 14:09:52,727 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-08-27 14:09:52,730 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-08-27 14:09:52,731 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-08-27 14:09:52,734 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-08-27 14:09:52,736 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-08-27 14:09:52,739 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-08-27 14:09:52,740 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-08-27 14:09:52,742 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-08-27 14:09:52,743 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-08-27 14:09:52,744 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-08-27 14:09:52,746 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-08-27 14:09:52,748 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-08-27 14:09:52,749 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-08-27 14:09:52,749 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-08-27 14:09:52,751 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-08-27 14:09:52,755 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-08-27 14:09:52,756 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-08-27 14:09:52,757 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-08-27 14:09:52,757 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-08-27 14:09:52,758 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-08-27 14:09:52,763 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-08-27 14:09:52,763 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-08-27 14:09:52,763 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-08-27 14:09:52,770 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-08-27 14:09:52,770 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-08-27 14:09:52,771 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-08-27 14:09:52,771 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-08-27 14:09:52,771 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-08-27 14:09:52,773 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-08-27 14:09:52,773 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-08-27 14:09:52,774 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-08-27 14:09:52,774 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-08-27 14:09:52,775 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-08-27 14:09:52,775 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-08-27 14:09:52,775 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-08-27 14:09:52,776 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-08-27 14:09:52,777 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-08-27 14:09:52,780 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf
[2021-08-27 14:09:52,803 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-08-27 14:09:52,803 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-08-27 14:09:52,804 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-08-27 14:09:52,804 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-08-27 14:09:52,805 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-08-27 14:09:52,806 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-08-27 14:09:52,806 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-08-27 14:09:52,806 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-08-27 14:09:52,806 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-08-27 14:09:52,806 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-08-27 14:09:52,806 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-08-27 14:09:52,807 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-08-27 14:09:52,807 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-08-27 14:09:52,807 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-08-27 14:09:52,807 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-08-27 14:09:52,807 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-08-27 14:09:52,807 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-08-27 14:09:52,807 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-08-27 14:09:52,807 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-08-27 14:09:52,807 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-08-27 14:09:52,807 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-08-27 14:09:52,808 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-08-27 14:09:52,808 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-08-27 14:09:52,808 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-08-27 14:09:52,808 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-08-27 14:09:52,808 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-08-27 14:09:52,808 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-08-27 14:09:52,808 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-08-27 14:09:52,808 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-08-27 14:09:52,809 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-08-27 14:09:52,809 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 -> 7bae4f7c3d0d0a015aa612e78087b008098dcb33
[2021-08-27 14:09:53,017 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-08-27 14:09:53,033 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-08-27 14:09:53,035 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-08-27 14:09:53,036 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-08-27 14:09:53,036 INFO  L275        PluginConnector]: CDTParser initialized
[2021-08-27 14:09:53,037 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/ConvLower.c
[2021-08-27 14:09:53,078 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448df8e4f/d244b9ef650f4a218c20d31fd07d1c9b/FLAGe71597492
[2021-08-27 14:09:53,414 INFO  L306              CDTParser]: Found 1 translation units.
[2021-08-27 14:09:53,414 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/ConvLower.c
[2021-08-27 14:09:53,418 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448df8e4f/d244b9ef650f4a218c20d31fd07d1c9b/FLAGe71597492
[2021-08-27 14:09:53,430 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448df8e4f/d244b9ef650f4a218c20d31fd07d1c9b
[2021-08-27 14:09:53,432 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-08-27 14:09:53,434 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-08-27 14:09:53,436 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-08-27 14:09:53,436 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-08-27 14:09:53,439 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-08-27 14:09:53,439 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,440 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4dcc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53, skipping insertion in model container
[2021-08-27 14:09:53,440 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,444 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-08-27 14:09:53,451 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-08-27 14:09:53,534 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-08-27 14:09:53,536 INFO  L203         MainTranslator]: Completed pre-run
[2021-08-27 14:09:53,543 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-08-27 14:09:53,550 INFO  L208         MainTranslator]: Completed translation
[2021-08-27 14:09:53,550 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53 WrapperNode
[2021-08-27 14:09:53,550 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-08-27 14:09:53,551 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-08-27 14:09:53,551 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-08-27 14:09:53,551 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-08-27 14:09:53,555 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,557 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,592 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-08-27 14:09:53,593 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-08-27 14:09:53,594 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-08-27 14:09:53,594 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-08-27 14:09:53,598 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,598 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,599 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,599 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,600 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,602 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,603 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,603 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-08-27 14:09:53,604 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-08-27 14:09:53,605 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-08-27 14:09:53,605 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-08-27 14:09:53,605 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (1/1) ...
[2021-08-27 14:09:53,610 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:53,614 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:09:53,626 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 14:09:53,660 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 14:09:53,672 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-08-27 14:09:53,672 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-08-27 14:09:53,781 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-08-27 14:09:53,781 INFO  L299             CfgBuilder]: Removed 5 assume(true) statements.
[2021-08-27 14:09:53,783 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:09:53 BoogieIcfgContainer
[2021-08-27 14:09:53,783 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-08-27 14:09:53,785 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-08-27 14:09:53,785 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-08-27 14:09:53,786 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-08-27 14:09:53,787 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-08-27 14:09:53,787 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:09:53" (1/3) ...
[2021-08-27 14:09:53,788 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3165f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:09:53, skipping insertion in model container
[2021-08-27 14:09:53,789 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-08-27 14:09:53,789 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:09:53" (2/3) ...
[2021-08-27 14:09:53,789 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3165f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:09:53, skipping insertion in model container
[2021-08-27 14:09:53,789 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-08-27 14:09:53,789 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:09:53" (3/3) ...
[2021-08-27 14:09:53,790 INFO  L389   chiAutomizerObserver]: Analyzing ICFG ConvLower.c
[2021-08-27 14:09:53,827 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-08-27 14:09:53,827 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-08-27 14:09:53,827 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-08-27 14:09:53,827 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-08-27 14:09:53,828 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-08-27 14:09:53,828 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-08-27 14:09:53,828 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-08-27 14:09:53,828 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-08-27 14:09:53,835 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-27 14:09:53,845 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-08-27 14:09:53,845 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-08-27 14:09:53,845 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-08-27 14:09:53,848 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1]
[2021-08-27 14:09:53,848 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-08-27 14:09:53,848 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-08-27 14:09:53,849 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-27 14:09:53,849 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-08-27 14:09:53,849 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-08-27 14:09:53,849 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-08-27 14:09:53,850 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1]
[2021-08-27 14:09:53,850 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-08-27 14:09:53,854 INFO  L791   eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 4#L10-2true 
[2021-08-27 14:09:53,854 INFO  L793   eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~i~0 > 5); 6#L10true assume 10 != main_~i~0;main_~i~0 := main_~i~0 - 1; 4#L10-2true 
[2021-08-27 14:09:53,857 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:09:53,857 INFO  L82        PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times
[2021-08-27 14:09:53,862 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:09:53,873 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795760449]
[2021-08-27 14:09:53,873 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:09:53,874 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:09:53,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:53,918 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-27 14:09:53,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:53,934 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-27 14:09:53,937 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:09:53,938 INFO  L82        PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times
[2021-08-27 14:09:53,938 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:09:53,938 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982823910]
[2021-08-27 14:09:53,939 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:09:53,939 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:09:53,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:53,950 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-27 14:09:53,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:53,962 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-27 14:09:53,963 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:09:53,964 INFO  L82        PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times
[2021-08-27 14:09:53,964 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:09:53,964 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130896329]
[2021-08-27 14:09:53,964 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:09:53,964 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:09:53,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:53,976 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-27 14:09:53,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:53,981 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-27 14:09:54,076 INFO  L210          LassoAnalysis]: Preferences:
[2021-08-27 14:09:54,076 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-08-27 14:09:54,076 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-08-27 14:09:54,076 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-08-27 14:09:54,077 INFO  L129   ssoRankerPreferences]: Use exernal solver: true
[2021-08-27 14:09:54,077 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:54,077 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-08-27 14:09:54,077 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-08-27 14:09:54,077 INFO  L133   ssoRankerPreferences]: Filename of dumped script: ConvLower.c_Iteration1_Loop
[2021-08-27 14:09:54,077 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-08-27 14:09:54,077 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-08-27 14:09:54,087 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 14:09:54,094 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 14:09:54,102 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 14:09:54,259 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-08-27 14:09:54,259 INFO  L404          LassoAnalysis]: Checking for nontermination...
[2021-08-27 14:09:54,260 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:54,261 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:09:54,262 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 14:09:54,275 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-08-27 14:09:54,276 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-08-27 14:09:54,276 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 14:09:54,300 INFO  L437          LassoAnalysis]: Proved nontermination for one component.
[2021-08-27 14:09:54,300 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 14:09:54,317 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0
[2021-08-27 14:09:54,318 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:54,318 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:09:54,319 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 14:09:54,324 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 14:09:54,325 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-08-27 14:09:54,325 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-08-27 14:09:54,338 INFO  L437          LassoAnalysis]: Proved nontermination for one component.
[2021-08-27 14:09:54,339 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 14:09:54,354 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 14:09:54,354 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:54,354 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:09:54,355 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 14:09:54,359 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 14:09:54,362 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-08-27 14:09:54,368 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-08-27 14:09:54,400 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 14:09:54,401 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:54,401 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:09:54,402 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 14:09:54,419 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2021-08-27 14:09:54,419 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-08-27 14:09:54,439 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 14:09:54,453 INFO  L444          LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2021-08-27 14:09:54,463 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 14:09:54,463 INFO  L210          LassoAnalysis]: Preferences:
[2021-08-27 14:09:54,463 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-08-27 14:09:54,463 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-08-27 14:09:54,463 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-08-27 14:09:54,463 INFO  L129   ssoRankerPreferences]: Use exernal solver: false
[2021-08-27 14:09:54,463 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:54,463 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-08-27 14:09:54,463 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-08-27 14:09:54,463 INFO  L133   ssoRankerPreferences]: Filename of dumped script: ConvLower.c_Iteration1_Loop
[2021-08-27 14:09:54,463 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-08-27 14:09:54,464 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-08-27 14:09:54,465 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 14:09:54,473 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 14:09:54,489 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 14:09:54,586 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-08-27 14:09:54,589 INFO  L490          LassoAnalysis]: Using template 'affine'.
[2021-08-27 14:09:54,590 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:54,590 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:09:54,590 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 14:09:54,591 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 14:09:54,593 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 14:09:54,600 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-08-27 14:09:54,601 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-08-27 14:09:54,601 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-08-27 14:09:54,601 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-08-27 14:09:54,605 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-08-27 14:09:54,605 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-08-27 14:09:54,629 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-08-27 14:09:54,652 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 14:09:54,652 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:54,652 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:09:54,653 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 14:09:54,664 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 14:09:54,665 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 14:09:54,672 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-08-27 14:09:54,672 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-08-27 14:09:54,672 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-08-27 14:09:54,672 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-08-27 14:09:54,675 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-08-27 14:09:54,675 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-08-27 14:09:54,690 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-08-27 14:09:54,705 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 14:09:54,706 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:54,706 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:09:54,706 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 14:09:54,707 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 14:09:54,709 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 14:09:54,716 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-08-27 14:09:54,716 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-08-27 14:09:54,716 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-08-27 14:09:54,716 INFO  L204   nArgumentSynthesizer]: 2 loop disjuncts
[2021-08-27 14:09:54,716 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-08-27 14:09:54,719 INFO  L401   nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications.
[2021-08-27 14:09:54,719 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-08-27 14:09:54,732 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-08-27 14:09:54,736 INFO  L443   ModelExtractionUtils]: Simplification made 2 calls to the SMT solver.
[2021-08-27 14:09:54,736 INFO  L444   ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero.
[2021-08-27 14:09:54,737 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-08-27 14:09:54,737 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-27 14:09:54,739 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 14:09:54,739 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 14:09:54,741 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-08-27 14:09:54,741 INFO  L438   nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2021-08-27 14:09:54,741 INFO  L513          LassoAnalysis]: Proved termination.
[2021-08-27 14:09:54,741 INFO  L515          LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0
Supporting invariants []
[2021-08-27 14:09:54,756 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 14:09:54,759 INFO  L297   tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2021-08-27 14:09:54,789 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:09:54,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-27 14:09:54,800 WARN  L261         TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-08-27 14:09:54,801 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-27 14:09:54,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-27 14:09:54,823 WARN  L261         TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-08-27 14:09:54,823 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-27 14:09:54,848 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 14:09:54,856 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 14:09:54,856 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand  has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 14:09:54,893 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand  has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand  has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 20 states and 28 transitions. Complement of second has 7 states.
[2021-08-27 14:09:54,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states 
[2021-08-27 14:09:54,895 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 14:09:54,895 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions.
[2021-08-27 14:09:54,896 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 2 letters.
[2021-08-27 14:09:54,897 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-08-27 14:09:54,897 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 2 letters.
[2021-08-27 14:09:54,897 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-08-27 14:09:54,897 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 4 letters.
[2021-08-27 14:09:54,898 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-08-27 14:09:54,898 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions.
[2021-08-27 14:09:54,901 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-08-27 14:09:54,904 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 8 states and 11 transitions.
[2021-08-27 14:09:54,904 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 4
[2021-08-27 14:09:54,904 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 5
[2021-08-27 14:09:54,905 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions.
[2021-08-27 14:09:54,905 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2021-08-27 14:09:54,905 INFO  L681         BuchiCegarLoop]: Abstraction has 8 states and 11 transitions.
[2021-08-27 14:09:54,913 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions.
[2021-08-27 14:09:54,921 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7.
[2021-08-27 14:09:54,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7 states, 7 states have (on average 1.4285714285714286) 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 14:09:54,922 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions.
[2021-08-27 14:09:54,923 INFO  L704         BuchiCegarLoop]: Abstraction has 7 states and 10 transitions.
[2021-08-27 14:09:54,923 INFO  L587         BuchiCegarLoop]: Abstraction has 7 states and 10 transitions.
[2021-08-27 14:09:54,923 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-08-27 14:09:54,923 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions.
[2021-08-27 14:09:54,923 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-08-27 14:09:54,923 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-08-27 14:09:54,924 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-08-27 14:09:54,924 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-08-27 14:09:54,924 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-08-27 14:09:54,924 INFO  L791   eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 68#L10-2 assume !!(main_~i~0 > 5); 64#L10 
[2021-08-27 14:09:54,924 INFO  L793   eck$LassoCheckResult]: Loop: 64#L10 assume !(10 != main_~i~0); 63#L10-2 assume !!(main_~i~0 > 5); 64#L10 
[2021-08-27 14:09:54,925 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:09:54,925 INFO  L82        PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times
[2021-08-27 14:09:54,925 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:09:54,925 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449126362]
[2021-08-27 14:09:54,925 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:09:54,925 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:09:54,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:54,927 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-27 14:09:54,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:54,929 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-27 14:09:54,929 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:09:54,929 INFO  L82        PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times
[2021-08-27 14:09:54,930 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:09:54,930 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105689886]
[2021-08-27 14:09:54,930 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:09:54,930 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:09:54,937 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:54,937 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-27 14:09:54,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:54,938 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-27 14:09:54,939 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-27 14:09:54,939 INFO  L82        PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times
[2021-08-27 14:09:54,939 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-27 14:09:54,939 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909392121]
[2021-08-27 14:09:54,939 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-27 14:09:54,939 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-27 14:09:54,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:54,941 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-27 14:09:54,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-27 14:09:54,945 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-27 14:09:54,951 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 14:09:54,992 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:09:54 BoogieIcfgContainer
[2021-08-27 14:09:54,992 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-08-27 14:09:54,993 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-08-27 14:09:54,993 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-08-27 14:09:54,993 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-08-27 14:09:54,993 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:09:53" (3/4) ...
[2021-08-27 14:09:54,995 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2021-08-27 14:09:55,010 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2021-08-27 14:09:55,011 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-08-27 14:09:55,012 INFO  L168              Benchmark]: Toolchain (without parser) took 1577.12 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.0 MB in the beginning and 46.3 MB in the end (delta: -6.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB.
[2021-08-27 14:09:55,012 INFO  L168              Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-08-27 14:09:55,012 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 114.19 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 31.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-08-27 14:09:55,012 INFO  L168              Benchmark]: Boogie Procedure Inliner took 41.94 ms. Allocated memory is still 60.8 MB. Free memory was 31.4 MB in the beginning and 45.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-08-27 14:09:55,013 INFO  L168              Benchmark]: Boogie Preprocessor took 9.77 ms. Allocated memory is still 60.8 MB. Free memory was 45.2 MB in the beginning and 44.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-08-27 14:09:55,013 INFO  L168              Benchmark]: RCFGBuilder took 178.82 ms. Allocated memory is still 60.8 MB. Free memory was 44.2 MB in the beginning and 36.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-08-27 14:09:55,013 INFO  L168              Benchmark]: BuchiAutomizer took 1207.86 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 36.0 MB in the beginning and 47.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 511.9 kB. Max. memory is 16.1 GB.
[2021-08-27 14:09:55,014 INFO  L168              Benchmark]: Witness Printer took 17.77 ms. Allocated memory is still 73.4 MB. Free memory was 47.8 MB in the beginning and 46.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-08-27 14:09:55,015 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 114.19 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 31.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 41.94 ms. Allocated memory is still 60.8 MB. Free memory was 31.4 MB in the beginning and 45.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 9.77 ms. Allocated memory is still 60.8 MB. Free memory was 45.2 MB in the beginning and 44.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * RCFGBuilder took 178.82 ms. Allocated memory is still 60.8 MB. Free memory was 44.2 MB in the beginning and 36.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 1207.86 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 36.0 MB in the beginning and 47.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 511.9 kB. Max. memory is 16.1 GB.
 * Witness Printer took 17.77 ms. Allocated memory is still 73.4 MB. Free memory was 47.8 MB in the beginning and 46.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 5 locations.  The remainder module has 7 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 1.1s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 10.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1.	Nontrivial modules had stage [1, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 4 SDtfs, 7 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3ms Time	LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks:   Lassos: inital14 mio100 ax185 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf165 smp92 tf105 neg94 sie117 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: 0.1s	
  - TerminationAnalysisResult: Nontermination possible
    Buchi Automizer proved that your program is nonterminating for some inputs
  - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite execution
State at position 0 is
{}
State at position 1 is
{org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17b836fa=0, \result=0, i=10}
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 10]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L6]             int i;
[L7]             i = __VERIFIER_nondet_int()
[L9]  COND TRUE  i > 5
Loop:
[L10]  COND FALSE  !(i != 10)
[L9]   COND TRUE   i > 5
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-08-27 14:09:55,040 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...