./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/Flip.c --full-output -ea --architecture 64bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 8bd4bc60
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/Flip.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 450446710566ec183df799a31b6732fa6118716d
.................................................................................................................................................................................................................................................................................................................................................................................
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 0.1.25-8bd4bc6
[2020-07-29 01:29:51,431 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-29 01:29:51,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-29 01:29:51,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-29 01:29:51,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-29 01:29:51,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-29 01:29:51,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-29 01:29:51,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-29 01:29:51,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-29 01:29:51,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-29 01:29:51,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-29 01:29:51,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-29 01:29:51,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-29 01:29:51,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-29 01:29:51,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-29 01:29:51,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-29 01:29:51,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-29 01:29:51,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-29 01:29:51,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-29 01:29:51,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-29 01:29:51,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-29 01:29:51,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-29 01:29:51,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-29 01:29:51,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-29 01:29:51,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-29 01:29:51,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-29 01:29:51,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-29 01:29:51,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-29 01:29:51,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-29 01:29:51,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-29 01:29:51,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-29 01:29:51,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-29 01:29:51,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-29 01:29:51,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-29 01:29:51,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-29 01:29:51,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-29 01:29:51,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-29 01:29:51,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-29 01:29:51,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-29 01:29:51,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-29 01:29:51,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-29 01:29:51,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf
[2020-07-29 01:29:51,577 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-29 01:29:51,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-29 01:29:51,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-29 01:29:51,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-29 01:29:51,587 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-29 01:29:51,588 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2020-07-29 01:29:51,588 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2020-07-29 01:29:51,588 INFO L138 SettingsManager]: * Use old map elimination=false
[2020-07-29 01:29:51,588 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2020-07-29 01:29:51,589 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2020-07-29 01:29:51,589 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2020-07-29 01:29:51,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-29 01:29:51,591 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2020-07-29 01:29:51,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-29 01:29:51,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-29 01:29:51,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2020-07-29 01:29:51,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2020-07-29 01:29:51,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2020-07-29 01:29:51,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-29 01:29:51,593 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2020-07-29 01:29:51,593 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-29 01:29:51,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2020-07-29 01:29:51,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-29 01:29:51,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-29 01:29:51,595 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump
[2020-07-29 01:29:51,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-29 01:29:51,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-29 01:29:51,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-29 01:29:51,596 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto
[2020-07-29 01:29:51,597 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2020-07-29 01:29:51,599 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 450446710566ec183df799a31b6732fa6118716d
[2020-07-29 01:29:51,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-29 01:29:51,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-29 01:29:51,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-29 01:29:51,923 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-29 01:29:51,923 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-29 01:29:51,924 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/Flip.c
[2020-07-29 01:29:51,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe23cbe4b/254f17b73b6347fb8da9ece4e44799b1/FLAGa79f2f0ab
[2020-07-29 01:29:52,440 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-29 01:29:52,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/Flip.c
[2020-07-29 01:29:52,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe23cbe4b/254f17b73b6347fb8da9ece4e44799b1/FLAGa79f2f0ab
[2020-07-29 01:29:52,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe23cbe4b/254f17b73b6347fb8da9ece4e44799b1
[2020-07-29 01:29:52,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-29 01:29:52,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2020-07-29 01:29:52,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-29 01:29:52,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-29 01:29:52,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-29 01:29:52,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:29:52" (1/1) ...
[2020-07-29 01:29:52,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5813a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:52, skipping insertion in model container
[2020-07-29 01:29:52,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:29:52" (1/1) ...
[2020-07-29 01:29:52,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-29 01:29:52,915 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-29 01:29:53,067 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-29 01:29:53,072 INFO L203 MainTranslator]: Completed pre-run
[2020-07-29 01:29:53,088 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-29 01:29:53,102 INFO L208 MainTranslator]: Completed translation
[2020-07-29 01:29:53,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53 WrapperNode
[2020-07-29 01:29:53,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-29 01:29:53,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-07-29 01:29:53,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-07-29 01:29:53,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-07-29 01:29:53,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (1/1) ...
[2020-07-29 01:29:53,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (1/1) ...
[2020-07-29 01:29:53,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-07-29 01:29:53,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-29 01:29:53,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-29 01:29:53,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-29 01:29:53,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (1/1) ...
[2020-07-29 01:29:53,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (1/1) ...
[2020-07-29 01:29:53,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (1/1) ...
[2020-07-29 01:29:53,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (1/1) ...
[2020-07-29 01:29:53,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (1/1) ...
[2020-07-29 01:29:53,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (1/1) ...
[2020-07-29 01:29:53,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (1/1) ...
[2020-07-29 01:29:53,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-29 01:29:53,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-29 01:29:53,210 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-29 01:29:53,210 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-29 01:29:53,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2020-07-29 01:29:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-29 01:29:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-29 01:29:53,427 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-29 01:29:53,427 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-29 01:29:53,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:53 BoogieIcfgContainer
[2020-07-29 01:29:53,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-29 01:29:53,436 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2020-07-29 01:29:53,436 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2020-07-29 01:29:53,439 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2020-07-29 01:29:53,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2020-07-29 01:29:53,441 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:29:52" (1/3) ...
[2020-07-29 01:29:53,442 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58c719e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:29:53, skipping insertion in model container
[2020-07-29 01:29:53,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2020-07-29 01:29:53,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:53" (2/3) ...
[2020-07-29 01:29:53,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58c719e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:29:53, skipping insertion in model container
[2020-07-29 01:29:53,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2020-07-29 01:29:53,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:53" (3/3) ...
[2020-07-29 01:29:53,445 INFO L371 chiAutomizerObserver]: Analyzing ICFG Flip.c
[2020-07-29 01:29:53,498 INFO L356 BuchiCegarLoop]: Interprodecural is true
[2020-07-29 01:29:53,498 INFO L357 BuchiCegarLoop]: Hoare is false
[2020-07-29 01:29:53,498 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2020-07-29 01:29:53,499 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-29 01:29:53,499 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-29 01:29:53,499 INFO L361 BuchiCegarLoop]: Difference is false
[2020-07-29 01:29:53,499 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-29 01:29:53,499 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2020-07-29 01:29:53,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states.
[2020-07-29 01:29:53,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1
[2020-07-29 01:29:53,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2020-07-29 01:29:53,540 INFO L119 BuchiIsEmpty]: Starting construction of run
[2020-07-29 01:29:53,546 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1]
[2020-07-29 01:29:53,546 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1]
[2020-07-29 01:29:53,547 INFO L424 BuchiCegarLoop]: ======== Iteration 1============
[2020-07-29 01:29:53,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states.
[2020-07-29 01:29:53,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1
[2020-07-29 01:29:53,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2020-07-29 01:29:53,549 INFO L119 BuchiIsEmpty]: Starting construction of run
[2020-07-29 01:29:53,549 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1]
[2020-07-29 01:29:53,550 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1]
[2020-07-29 01:29:53,556 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~t~0;havoc main_~i~0;havoc main_~j~0;havoc main_~t~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~t~0 := 0; 5#L13-2true
[2020-07-29 01:29:53,557 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(0 != main_~i~0 && 0 != main_~j~0);main_~t~0 := main_~i~0;main_~i~0 := main_~j~0;main_~j~0 := main_~t~0; 5#L13-2true
[2020-07-29 01:29:53,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-29 01:29:53,562 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times
[2020-07-29 01:29:53,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-07-29 01:29:53,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243395642]
[2020-07-29 01:29:53,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-29 01:29:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-29 01:29:53,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-29 01:29:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-29 01:29:53,639 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-29 01:29:53,658 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-07-29 01:29:53,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-29 01:29:53,660 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times
[2020-07-29 01:29:53,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-07-29 01:29:53,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936608861]
[2020-07-29 01:29:53,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-29 01:29:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-29 01:29:53,673 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-29 01:29:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-29 01:29:53,678 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-29 01:29:53,680 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-07-29 01:29:53,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-29 01:29:53,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times
[2020-07-29 01:29:53,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-07-29 01:29:53,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630869645]
[2020-07-29 01:29:53,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-29 01:29:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-29 01:29:53,698 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-29 01:29:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-29 01:29:53,703 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-29 01:29:53,705 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-07-29 01:29:53,844 INFO L210 LassoAnalysis]: Preferences:
[2020-07-29 01:29:53,846 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2020-07-29 01:29:53,846 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2020-07-29 01:29:53,846 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2020-07-29 01:29:53,847 INFO L129 ssoRankerPreferences]: Use exernal solver: true
[2020-07-29 01:29:53,847 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2020-07-29 01:29:53,847 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2020-07-29 01:29:53,848 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2020-07-29 01:29:53,848 INFO L133 ssoRankerPreferences]: Filename of dumped script: Flip.c_Iteration1_Lasso
[2020-07-29 01:29:53,848 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2020-07-29 01:29:53,850 INFO L274 LassoAnalysis]: Starting lasso preprocessing...
[2020-07-29 01:29:53,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2020-07-29 01:29:53,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2020-07-29 01:29:53,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2020-07-29 01:29:53,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2020-07-29 01:29:53,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2020-07-29 01:29:53,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2020-07-29 01:29:54,323 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 25
[2020-07-29 01:29:54,365 INFO L292 LassoAnalysis]: Preprocessing complete.
[2020-07-29 01:29:54,366 INFO L404 LassoAnalysis]: Checking for nontermination...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2020-07-29 01:29:54,381 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2020-07-29 01:29:54,381 INFO L160 nArgumentSynthesizer]: Using integer mode.
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2020-07-29 01:29:54,390 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2020-07-29 01:29:54,391 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2020-07-29 01:29:54,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2020-07-29 01:29:54,426 INFO L160 nArgumentSynthesizer]: Using integer mode.
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2020-07-29 01:29:54,430 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2020-07-29 01:29:54,431 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: []
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2020-07-29 01:29:54,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2020-07-29 01:29:54,468 INFO L160 nArgumentSynthesizer]: Using integer mode.
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2020-07-29 01:29:54,475 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2020-07-29 01:29:54,476 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2020-07-29 01:29:54,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2020-07-29 01:29:54,506 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2020-07-29 01:29:54,510 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2020-07-29 01:29:54,510 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2020-07-29 01:29:54,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2020-07-29 01:29:54,539 INFO L160 nArgumentSynthesizer]: Using integer mode.
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2020-07-29 01:29:54,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2020-07-29 01:29:54,587 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2020-07-29 01:29:54,780 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2020-07-29 01:29:54,781 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~j~0=-2, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~i~0=-2} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=1, ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=-3, ULTIMATE.start_main_~i~0=0}] Lambdas: [3, 3, 0] Nus: [0, 1]
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2020-07-29 01:29:54,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2020-07-29 01:29:54,807 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2020-07-29 01:29:54,812 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2020-07-29 01:29:54,812 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: []
[2020-07-29 01:29:54,849 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
[2020-07-29 01:29:54,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
[2020-07-29 01:29:54,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
[2020-07-29 01:29:54,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
[2020-07-29 01:29:54,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
[2020-07-29 01:29:54,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
[2020-07-29 01:29:54,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:29:54 BoogieIcfgContainer
[2020-07-29 01:29:54,871 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2020-07-29 01:29:54,872 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2020-07-29 01:29:54,872 INFO L271 PluginConnector]: Initializing Witness Printer...
[2020-07-29 01:29:54,872 INFO L275 PluginConnector]: Witness Printer initialized
[2020-07-29 01:29:54,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:53" (3/4) ...
[2020-07-29 01:29:54,876 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2020-07-29 01:29:54,919 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2020-07-29 01:29:54,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-07-29 01:29:54,922 INFO L168 Benchmark]: Toolchain (without parser) took 2048.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 961.6 MB in the beginning and 999.2 MB in the end (delta: -37.6 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB.
[2020-07-29 01:29:54,923 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2020-07-29 01:29:54,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.19 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
[2020-07-29 01:29:54,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB.
[2020-07-29 01:29:54,927 INFO L168 Benchmark]: Boogie Preprocessor took 17.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2020-07-29 01:29:54,928 INFO L168 Benchmark]: RCFGBuilder took 225.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB.
[2020-07-29 01:29:54,929 INFO L168 Benchmark]: BuchiAutomizer took 1435.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 118.5 MB). Peak memory consumption was 118.5 MB. Max. memory is 11.5 GB.
[2020-07-29 01:29:54,929 INFO L168 Benchmark]: Witness Printer took 48.13 ms. Allocated memory is still 1.2 GB. Free memory is still 999.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2020-07-29 01:29:54,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- AssertionsEnabledResult: Assertions are enabled
Assertions are enabled
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB.
* CACSL2BoogieTranslator took 224.19 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
* Boogie Procedure Inliner took 88.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB.
* Boogie Preprocessor took 17.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
* RCFGBuilder took 225.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB.
* BuchiAutomizer took 1435.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 118.5 MB). Peak memory consumption was 118.5 MB. Max. memory is 11.5 GB.
* Witness Printer took 48.13 ms. Allocated memory is still 1.2 GB. Free memory is still 999.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
* Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Trivial decomposition into one nonterminating module.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax161 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq214 hnf93 smp100 dnf276 smp100 tf100 neg93 sie114 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- GeometricNonTerminationArgumentResult [Line: 13]: Nontermination argument in form of an infinite program execution.
[2020-07-29 01:29:54,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
[2020-07-29 01:29:54,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
[2020-07-29 01:29:54,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
[2020-07-29 01:29:54,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
[2020-07-29 01:29:54,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
[2020-07-29 01:29:54,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
[2020-07-29 01:29:54,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
[2020-07-29 01:29:54,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
[2020-07-29 01:29:54,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
[2020-07-29 01:29:54,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
[2020-07-29 01:29:54,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true
[2020-07-29 01:29:54,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false
Nontermination argument in form of an infinite execution
State at position 0 is
{t=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a137877=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40f7692a=0, ~unnamed0~0~false=0, i=0, j=0}
State at position 1 is
{t=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a137877=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40f7692a=0, ~unnamed0~0~false=0, i=-2, j=-2}
For i>1, the state at position i is
{t=0 + sum_{k=0}^i 1*3^k + -3*0^k + -3*k*3^(k-1), org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a137877=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40f7692a=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, i=-2 + sum_{k=0}^i 0, j=-2 + sum_{k=0}^i 0}
- StatisticsResult: NonterminationArgumentStatistics
Unbounded Execution 2GEVs Lambdas: [3, 3, 0] Mus: [0, 1]
- NonterminatingLassoResult [Line: 13]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L6] int i;
[L7] int j;
[L8] int t;
[L9] i = __VERIFIER_nondet_int()
[L10] j = __VERIFIER_nondet_int()
[L11] t = 0
Loop:
[L13] COND TRUE i != 0 && j != 0
[L14] t = i
[L15] i = j
[L16] j = t
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...