./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 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y --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 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:03:36,496 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:03:36,499 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:03:36,542 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:03:36,542 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:03:36,544 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:03:36,545 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:03:36,548 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:03:36,550 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:03:36,551 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:03:36,552 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:03:36,554 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:03:36,554 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:03:36,555 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:03:36,557 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:03:36,559 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:03:36,560 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:03:36,561 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:03:36,564 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:03:36,566 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:03:36,572 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:03:36,574 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:03:36,576 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:03:36,577 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:03:36,581 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:03:36,581 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:03:36,582 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:03:36,583 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:03:36,583 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:03:36,585 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:03:36,585 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:03:36,594 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:03:36,596 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:03:36,597 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:03:36,599 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:03:36,599 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:03:36,600 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:03:36,600 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:03:36,600 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:03:36,601 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:03:36,602 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:03:36,603 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf
[2021-11-13 18:03:36,654 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-13 18:03:36,654 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:03:36,655 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:03:36,655 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:03:36,657 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:03:36,657 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-13 18:03:36,657 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-13 18:03:36,658 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-13 18:03:36,658 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-11-13 18:03:36,658 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-11-13 18:03:36,659 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-11-13 18:03:36,659 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-11-13 18:03:36,660 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-13 18:03:36,660 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:03:36,660 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:03:36,660 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-13 18:03:36,660 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-13 18:03:36,661 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-11-13 18:03:36,661 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-13 18:03:36,661 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-11-13 18:03:36,661 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-13 18:03:36,661 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-11-13 18:03:36,662 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-13 18:03:36,662 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-11-13 18:03:36,662 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:03:36,662 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-13 18:03:36,662 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:03:36,663 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-13 18:03:36,663 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-13 18:03:36,665 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-13 18:03:36,665 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y
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 -> 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e
[2021-11-13 18:03:37,033 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:03:37,061 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:03:37,065 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:03:37,066 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-13 18:03:37,067 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-13 18:03:37,068 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-restricted-15/PastaB14.c
[2021-11-13 18:03:37,155 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/data/c6ac215de/f7d09b2cf0c047e9acdb22794a6c6866/FLAGb289c11c6
[2021-11-13 18:03:37,632 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-13 18:03:37,633 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/sv-benchmarks/c/termination-restricted-15/PastaB14.c
[2021-11-13 18:03:37,646 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/data/c6ac215de/f7d09b2cf0c047e9acdb22794a6c6866/FLAGb289c11c6
[2021-11-13 18:03:37,998 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/data/c6ac215de/f7d09b2cf0c047e9acdb22794a6c6866
[2021-11-13 18:03:38,001 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:03:38,003 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:03:38,005 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:03:38,005 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:03:38,009 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:03:38,010 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:03:37" (1/1) ...
[2021-11-13 18:03:38,012 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8f656c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38, skipping insertion in model container
[2021-11-13 18:03:38,012 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:03:37" (1/1) ...
[2021-11-13 18:03:38,020 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-13 18:03:38,033 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:03:38,209 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:03:38,219 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-13 18:03:38,232 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:03:38,245 INFO  L208         MainTranslator]: Completed translation
[2021-11-13 18:03:38,246 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38 WrapperNode
[2021-11-13 18:03:38,246 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:03:38,247 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:03:38,248 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:03:38,248 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:03:38,259 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (1/1) ...
[2021-11-13 18:03:38,263 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (1/1) ...
[2021-11-13 18:03:38,283 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:03:38,284 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:03:38,284 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:03:38,284 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:03:38,293 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (1/1) ...
[2021-11-13 18:03:38,293 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (1/1) ...
[2021-11-13 18:03:38,294 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (1/1) ...
[2021-11-13 18:03:38,294 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (1/1) ...
[2021-11-13 18:03:38,296 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (1/1) ...
[2021-11-13 18:03:38,301 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (1/1) ...
[2021-11-13 18:03:38,302 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (1/1) ...
[2021-11-13 18:03:38,304 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:03:38,305 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:03:38,306 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:03:38,306 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:03:38,307 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (1/1) ...
[2021-11-13 18:03:38,316 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:38,327 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:38,344 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:38,363 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:03:38,390 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:03:38,391 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:03:38,533 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:03:38,533 INFO  L299             CfgBuilder]: Removed 2 assume(true) statements.
[2021-11-13 18:03:38,535 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:03:38 BoogieIcfgContainer
[2021-11-13 18:03:38,535 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:03:38,536 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-13 18:03:38,537 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-11-13 18:03:38,540 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-11-13 18:03:38,541 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:03:38,541 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:03:37" (1/3) ...
[2021-11-13 18:03:38,543 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e5af63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:03:38, skipping insertion in model container
[2021-11-13 18:03:38,543 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:03:38,544 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:38" (2/3) ...
[2021-11-13 18:03:38,544 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e5af63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:03:38, skipping insertion in model container
[2021-11-13 18:03:38,544 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:03:38,545 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:03:38" (3/3) ...
[2021-11-13 18:03:38,546 INFO  L388   chiAutomizerObserver]: Analyzing ICFG PastaB14.c
[2021-11-13 18:03:38,602 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-11-13 18:03:38,602 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-11-13 18:03:38,602 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-13 18:03:38,602 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-13 18:03:38,602 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-13 18:03:38,602 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-11-13 18:03:38,602 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-13 18:03:38,603 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-13 18:03:38,625 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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)
[2021-11-13 18:03:38,647 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-11-13 18:03:38,648 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:03:38,648 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:03:38,654 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-11-13 18:03:38,654 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-11-13 18:03:38,654 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-11-13 18:03:38,654 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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)
[2021-11-13 18:03:38,656 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-11-13 18:03:38,656 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:03:38,656 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:03:38,657 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-11-13 18:03:38,657 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-11-13 18:03:38,665 INFO  L791   eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 7#L12-3true 
[2021-11-13 18:03:38,665 INFO  L793   eck$LassoCheckResult]: Loop: 7#L12-3true assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > 0); 3#L12-2true assume !(main_~y~0#1 > 0); 7#L12-3true 
[2021-11-13 18:03:38,673 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:03:38,673 INFO  L85        PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2021-11-13 18:03:38,685 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:03:38,685 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031009534]
[2021-11-13 18:03:38,686 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:03:38,687 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:03:38,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:03:38,758 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:03:38,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:03:38,773 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:03:38,776 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:03:38,776 INFO  L85        PathProgramCache]: Analyzing trace with hash 1320, now seen corresponding path program 1 times
[2021-11-13 18:03:38,776 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:03:38,777 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868071995]
[2021-11-13 18:03:38,777 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:03:38,777 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:03:38,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:03:38,848 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:03:38,848 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:03:38,849 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868071995]
[2021-11-13 18:03:38,849 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868071995] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:03:38,850 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:03:38,850 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-11-13 18:03:38,850 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530876063]
[2021-11-13 18:03:38,851 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:03:38,856 INFO  L808   eck$LassoCheckResult]: loop already infeasible
[2021-11-13 18:03:38,857 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:03:38,890 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:03:38,891 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:03:38,893 INFO  L87              Difference]: Start difference. First operand  has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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)
[2021-11-13 18:03:38,910 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:03:38,911 INFO  L93              Difference]: Finished difference Result 9 states and 10 transitions.
[2021-11-13 18:03:38,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-13 18:03:38,917 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions.
[2021-11-13 18:03:38,918 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2021-11-13 18:03:38,921 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 5 states and 6 transitions.
[2021-11-13 18:03:38,922 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 5
[2021-11-13 18:03:38,923 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 5
[2021-11-13 18:03:38,923 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions.
[2021-11-13 18:03:38,924 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:03:38,924 INFO  L681         BuchiCegarLoop]: Abstraction has 5 states and 6 transitions.
[2021-11-13 18:03:38,942 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions.
[2021-11-13 18:03:38,950 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5.
[2021-11-13 18:03:38,951 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2021-11-13 18:03:38,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions.
[2021-11-13 18:03:38,953 INFO  L704         BuchiCegarLoop]: Abstraction has 5 states and 6 transitions.
[2021-11-13 18:03:38,953 INFO  L587         BuchiCegarLoop]: Abstraction has 5 states and 6 transitions.
[2021-11-13 18:03:38,954 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-11-13 18:03:38,954 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions.
[2021-11-13 18:03:38,954 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2021-11-13 18:03:38,955 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:03:38,955 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:03:38,955 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-11-13 18:03:38,955 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-11-13 18:03:38,956 INFO  L791   eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 29#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 30#L12-3 
[2021-11-13 18:03:38,956 INFO  L793   eck$LassoCheckResult]: Loop: 30#L12-3 assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > 0); 26#L12-2 assume !!(main_~y~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 27#L12-2 assume !(main_~y~0#1 > 0); 30#L12-3 
[2021-11-13 18:03:38,957 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:03:38,957 INFO  L85        PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times
[2021-11-13 18:03:38,957 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:03:38,958 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673016114]
[2021-11-13 18:03:38,958 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:03:38,959 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:03:38,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:03:38,964 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:03:38,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:03:38,968 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:03:38,983 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:03:38,983 INFO  L85        PathProgramCache]: Analyzing trace with hash 41000, now seen corresponding path program 1 times
[2021-11-13 18:03:38,984 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:03:38,984 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783604319]
[2021-11-13 18:03:38,984 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:03:38,985 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:03:38,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:03:38,993 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:03:38,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:03:39,002 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:03:39,003 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:03:39,003 INFO  L85        PathProgramCache]: Analyzing trace with hash 28699942, now seen corresponding path program 1 times
[2021-11-13 18:03:39,004 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:03:39,004 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516727690]
[2021-11-13 18:03:39,005 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:03:39,005 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:03:39,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:03:39,014 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:03:39,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:03:39,023 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:03:39,130 INFO  L210          LassoAnalysis]: Preferences:
[2021-11-13 18:03:39,131 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:03:39,131 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:03:39,131 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:03:39,131 INFO  L129   ssoRankerPreferences]: Use exernal solver: true
[2021-11-13 18:03:39,132 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:39,132 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:03:39,132 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-11-13 18:03:39,132 INFO  L133   ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop
[2021-11-13 18:03:39,133 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:03:39,133 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:03:39,167 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:03:39,186 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:03:39,199 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:03:39,366 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:03:39,367 INFO  L404          LassoAnalysis]: Checking for nontermination...
[2021-11-13 18:03:39,369 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:39,370 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:39,394 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:39,397 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2021-11-13 18:03:39,398 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-11-13 18:03:39,398 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:03:39,427 INFO  L437          LassoAnalysis]: Proved nontermination for one component.
[2021-11-13 18:03:39,427 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: []
[2021-11-13 18:03:39,465 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:03:39,465 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:39,466 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:39,467 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:39,473 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-11-13 18:03:39,473 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:03:39,478 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2021-11-13 18:03:39,499 INFO  L437          LassoAnalysis]: Proved nontermination for one component.
[2021-11-13 18:03:39,499 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: []
[2021-11-13 18:03:39,536 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:03:39,537 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:39,537 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:39,538 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:39,545 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2021-11-13 18:03:39,545 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-11-13 18:03:39,546 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:03:39,610 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:03:39,610 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:39,611 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:39,612 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:39,615 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2021-11-13 18:03:39,616 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:03:39,640 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2021-11-13 18:03:39,699 INFO  L444          LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2021-11-13 18:03:39,709 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:03:39,709 INFO  L210          LassoAnalysis]: Preferences:
[2021-11-13 18:03:39,710 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:03:39,710 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:03:39,711 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:03:39,711 INFO  L129   ssoRankerPreferences]: Use exernal solver: false
[2021-11-13 18:03:39,711 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:39,711 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:03:39,711 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-11-13 18:03:39,711 INFO  L133   ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop
[2021-11-13 18:03:39,712 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:03:39,712 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:03:39,714 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:03:39,720 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:03:39,727 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:03:39,830 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:03:39,835 INFO  L490          LassoAnalysis]: Using template 'affine'.
[2021-11-13 18:03:39,836 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:39,837 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:39,838 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:39,845 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
[2021-11-13 18:03:39,856 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:03:39,856 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:03:39,857 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:03:39,857 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:03:39,862 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:03:39,863 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:03:39,868 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2021-11-13 18:03:39,872 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:03:39,907 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:03:39,908 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:39,908 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:39,909 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:39,915 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
[2021-11-13 18:03:39,924 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:03:39,925 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:03:39,925 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:03:39,925 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:03:39,929 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:03:39,929 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:03:39,934 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2021-11-13 18:03:39,950 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:03:39,987 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2021-11-13 18:03:39,987 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:39,987 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:39,988 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:39,994 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
[2021-11-13 18:03:40,003 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:03:40,004 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:03:40,004 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:03:40,004 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:03:40,004 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:03:40,007 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:03:40,007 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:03:40,010 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2021-11-13 18:03:40,018 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-11-13 18:03:40,032 INFO  L443   ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2021-11-13 18:03:40,032 INFO  L444   ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero.
[2021-11-13 18:03:40,034 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:03:40,034 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:40,036 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:40,041 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-11-13 18:03:40,041 INFO  L438   nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2021-11-13 18:03:40,041 INFO  L513          LassoAnalysis]: Proved termination.
[2021-11-13 18:03:40,042 INFO  L515          LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1
Supporting invariants []
[2021-11-13 18:03:40,061 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2021-11-13 18:03:40,080 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2021-11-13 18:03:40,083 INFO  L297   tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2021-11-13 18:03:40,103 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:03:40,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:03:40,111 WARN  L261         TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:03:40,112 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:03:40,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:03:40,126 INFO  L263         TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:03:40,126 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:03:40,232 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:03:40,244 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2021-11-13 18:03:40,245 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 
[2021-11-13 18:03:40,246 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand  has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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)
[2021-11-13 18:03:40,319 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand  has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) Result 9 states and 10 transitions. Complement of second has 6 states.
[2021-11-13 18:03:40,319 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 
[2021-11-13 18:03:40,323 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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)
[2021-11-13 18:03:40,324 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions.
[2021-11-13 18:03:40,325 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 3 letters.
[2021-11-13 18:03:40,326 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:03:40,332 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 5 letters. Loop has 3 letters.
[2021-11-13 18:03:40,332 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:03:40,333 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 6 letters.
[2021-11-13 18:03:40,333 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:03:40,333 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions.
[2021-11-13 18:03:40,336 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:03:40,336 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions.
[2021-11-13 18:03:40,336 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-11-13 18:03:40,336 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-11-13 18:03:40,337 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-11-13 18:03:40,337 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:03:40,337 INFO  L681         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:03:40,337 INFO  L704         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:03:40,337 INFO  L587         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:03:40,337 INFO  L425         BuchiCegarLoop]: ======== Iteration 3============
[2021-11-13 18:03:40,337 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:03:40,338 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:03:40,338 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-11-13 18:03:40,347 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:03:40 BoogieIcfgContainer
[2021-11-13 18:03:40,347 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-11-13 18:03:40,351 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:03:40,351 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:03:40,351 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-11-13 18:03:40,352 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:03:38" (3/4) ...
[2021-11-13 18:03:40,355 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-11-13 18:03:40,355 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:03:40,361 INFO  L158              Benchmark]: Toolchain (without parser) took 2352.99ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 97.4MB in the beginning and 140.9MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:03:40,361 INFO  L158              Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:03:40,363 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 241.24ms. Allocated memory is still 136.3MB. Free memory was 97.2MB in the beginning and 111.0MB in the end (delta: -13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:03:40,363 INFO  L158              Benchmark]: Boogie Procedure Inliner took 35.77ms. Allocated memory is still 136.3MB. Free memory was 111.0MB in the beginning and 109.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:03:40,364 INFO  L158              Benchmark]: Boogie Preprocessor took 20.34ms. Allocated memory is still 136.3MB. Free memory was 109.7MB in the beginning and 108.9MB in the end (delta: 728.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:03:40,364 INFO  L158              Benchmark]: RCFGBuilder took 230.10ms. Allocated memory is still 136.3MB. Free memory was 108.9MB in the beginning and 101.0MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 18:03:40,367 INFO  L158              Benchmark]: BuchiAutomizer took 1811.15ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 101.0MB in the beginning and 140.9MB in the end (delta: -40.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:03:40,368 INFO  L158              Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 167.8MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:03:40,377 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 241.24ms. Allocated memory is still 136.3MB. Free memory was 97.2MB in the beginning and 111.0MB in the end (delta: -13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 35.77ms. Allocated memory is still 136.3MB. Free memory was 111.0MB in the beginning and 109.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 20.34ms. Allocated memory is still 136.3MB. Free memory was 109.7MB in the beginning and 108.9MB in the end (delta: 728.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 230.10ms. Allocated memory is still 136.3MB. Free memory was 108.9MB in the beginning and 101.0MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 1811.15ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 101.0MB in the beginning and 140.9MB in the end (delta: -40.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 4.74ms. Allocated memory is still 167.8MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 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 1.7s and 3 iterations.  TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1.	Nontrivial modules had stage [1, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/1	HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 18.77ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 15.65ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 11 mSolverCounterSat, 1.95ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	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: 35ms 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!
[2021-11-13 18:03:40,427 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134e30f1-fbc7-4372-b6d4-3ccd8892ad4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE