./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_Continue1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_Continue1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer --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 8d665fd3f3168df1350ae63676f0c958ae0f0575 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:27:44,991 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:27:44,993 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:27:45,002 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:27:45,002 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:27:45,002 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:27:45,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:27:45,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:27:45,005 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:27:45,006 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:27:45,007 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:27:45,007 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:27:45,007 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:27:45,008 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:27:45,009 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:27:45,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:27:45,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:27:45,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:27:45,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:27:45,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:27:45,014 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:27:45,015 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:27:45,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:27:45,016 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:27:45,017 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:27:45,017 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:27:45,018 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:27:45,018 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:27:45,019 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:27:45,019 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:27:45,020 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:27:45,020 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:27:45,020 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:27:45,020 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:27:45,021 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:27:45,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:27:45,022 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 13:27:45,032 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:27:45,032 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:27:45,033 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:27:45,034 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:27:45,034 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:27:45,034 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:27:45,034 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:27:45,034 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:27:45,034 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:27:45,034 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:27:45,034 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:27:45,035 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:27:45,035 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:27:45,035 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:27:45,035 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:27:45,035 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:27:45,035 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:27:45,035 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:27:45,036 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:27:45,036 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:27:45,036 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:27:45,036 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:27:45,036 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:27:45,036 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:27:45,036 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:27:45,037 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:27:45,037 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:27:45,037 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:27:45,037 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:27:45,038 INFO L133 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer 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 -> 8d665fd3f3168df1350ae63676f0c958ae0f0575 [2018-11-28 13:27:45,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:27:45,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:27:45,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:27:45,070 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:27:45,071 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:27:45,071 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/java_Continue1_true-termination_true-no-overflow.c [2018-11-28 13:27:45,110 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/data/1ccfff845/90a0ad87fe814842b7cc38bcbeca7d5b/FLAG24de2447a [2018-11-28 13:27:45,510 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:27:45,511 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/sv-benchmarks/c/termination-restricted-15/java_Continue1_true-termination_true-no-overflow.c [2018-11-28 13:27:45,516 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/data/1ccfff845/90a0ad87fe814842b7cc38bcbeca7d5b/FLAG24de2447a [2018-11-28 13:27:45,528 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/data/1ccfff845/90a0ad87fe814842b7cc38bcbeca7d5b [2018-11-28 13:27:45,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:27:45,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:27:45,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:27:45,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:27:45,536 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:27:45,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279c5be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45, skipping insertion in model container [2018-11-28 13:27:45,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:27:45,557 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:27:45,657 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:27:45,659 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:27:45,668 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:27:45,676 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:27:45,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45 WrapperNode [2018-11-28 13:27:45,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:27:45,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:27:45,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:27:45,676 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:27:45,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:27:45,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:27:45,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:27:45,695 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:27:45,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (1/1) ... [2018-11-28 13:27:45,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:27:45,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:27:45,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:27:45,706 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:27:45,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/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 [2018-11-28 13:27:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:27:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:27:45,841 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:27:45,841 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 13:27:45,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:27:45 BoogieIcfgContainer [2018-11-28 13:27:45,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:27:45,842 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:27:45,842 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:27:45,844 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:27:45,845 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:27:45,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:27:45" (1/3) ... [2018-11-28 13:27:45,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635a1b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:27:45, skipping insertion in model container [2018-11-28 13:27:45,846 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:27:45,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:45" (2/3) ... [2018-11-28 13:27:45,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635a1b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:27:45, skipping insertion in model container [2018-11-28 13:27:45,846 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:27:45,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:27:45" (3/3) ... [2018-11-28 13:27:45,847 INFO L375 chiAutomizerObserver]: Analyzing ICFG java_Continue1_true-termination_true-no-overflow.c [2018-11-28 13:27:45,881 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:27:45,882 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:27:45,882 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:27:45,882 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:27:45,882 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:27:45,882 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:27:45,882 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:27:45,882 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:27:45,882 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:27:45,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-28 13:27:45,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 13:27:45,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:27:45,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:27:45,907 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:27:45,908 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 13:27:45,908 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:27:45,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-28 13:27:45,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 13:27:45,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:27:45,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:27:45,909 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:27:45,909 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 13:27:45,913 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0, main_~c~0;havoc main_~i~0;havoc main_~c~0;main_~i~0 := 0;main_~c~0 := 0; 3#L12-2true [2018-11-28 13:27:45,914 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~i~0 < 20);main_~i~0 := 1 + main_~i~0; 6#L12true assume main_~i~0 <= 10; 3#L12-2true [2018-11-28 13:27:45,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:45,918 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 13:27:45,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:45,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:45,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:45,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:45,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:45,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:45,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2018-11-28 13:27:45,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:45,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:45,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:45,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:45,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:45,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:45,985 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2018-11-28 13:27:45,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:45,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:45,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:45,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:45,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:46,037 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:27:46,038 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:27:46,038 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:27:46,038 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:27:46,038 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:27:46,038 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:27:46,038 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:27:46,038 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:27:46,038 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_Continue1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 13:27:46,039 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:27:46,039 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:27:46,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,119 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:27:46,120 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:27:46,123 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:27:46,124 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:27:46,142 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:27:46,142 INFO L448 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: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:27:46,144 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:27:46,144 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:27:46,160 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:27:46,160 INFO L448 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 /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:27:46,162 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:27:46,163 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/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 [2018-11-28 13:27:46,181 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:27:46,181 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:27:46,296 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 13:27:46,297 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:27:46,297 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:27:46,298 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:27:46,298 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:27:46,298 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:27:46,298 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:27:46,298 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:27:46,298 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:27:46,298 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_Continue1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 13:27:46,298 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:27:46,298 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:27:46,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,360 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:27:46,363 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:27:46,364 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:27:46,365 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:27:46,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:27:46,366 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:27:46,366 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:27:46,368 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:27:46,368 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:27:46,374 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:27:46,374 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:27:46,375 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:27:46,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:27:46,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:27:46,375 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:27:46,377 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:27:46,377 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:27:46,383 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:27:46,384 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:27:46,384 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:27:46,384 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:27:46,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:27:46,385 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:27:46,385 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:27:46,386 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:27:46,386 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:27:46,390 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 13:27:46,394 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 13:27:46,394 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 13:27:46,396 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 13:27:46,396 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 13:27:46,396 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 13:27:46,396 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 19 Supporting invariants [] [2018-11-28 13:27:46,397 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 13:27:46,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:46,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:27:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:46,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:27:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:27:46,505 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 [2018-11-28 13:27:46,506 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2018-11-28 13:27:46,557 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 28 states and 35 transitions. Complement of second has 7 states. [2018-11-28 13:27:46,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 13:27:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 13:27:46,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2018-11-28 13:27:46,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 2 letters. [2018-11-28 13:27:46,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:27:46,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-28 13:27:46,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:27:46,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 4 letters. [2018-11-28 13:27:46,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:27:46,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2018-11-28 13:27:46,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 13:27:46,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 8 states and 11 transitions. [2018-11-28 13:27:46,567 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2018-11-28 13:27:46,568 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2018-11-28 13:27:46,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2018-11-28 13:27:46,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 13:27:46,568 INFO L705 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2018-11-28 13:27:46,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2018-11-28 13:27:46,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-11-28 13:27:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-28 13:27:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2018-11-28 13:27:46,584 INFO L728 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-11-28 13:27:46,584 INFO L608 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-11-28 13:27:46,584 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:27:46,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2018-11-28 13:27:46,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 13:27:46,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:27:46,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:27:46,585 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 13:27:46,585 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 13:27:46,586 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0, main_~c~0;havoc main_~i~0;havoc main_~c~0;main_~i~0 := 0;main_~c~0 := 0; 76#L12-2 assume !!(main_~i~0 < 20);main_~i~0 := 1 + main_~i~0; 72#L12 [2018-11-28 13:27:46,586 INFO L796 eck$LassoCheckResult]: Loop: 72#L12 assume !(main_~i~0 <= 10);main_~c~0 := 1 + main_~c~0; 71#L12-2 assume !!(main_~i~0 < 20);main_~i~0 := 1 + main_~i~0; 72#L12 [2018-11-28 13:27:46,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:46,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 13:27:46,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:46,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:46,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:46,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:46,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:46,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:46,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2018-11-28 13:27:46,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:46,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:46,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:46,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:46,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:27:46,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:46,597 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2018-11-28 13:27:46,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:46,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:46,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:46,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:46,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:27:46,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:27:46,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:27:46,638 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:27:46,639 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:27:46,639 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:27:46,639 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:27:46,639 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:27:46,639 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:27:46,639 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:27:46,639 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:27:46,639 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_Continue1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 13:27:46,639 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:27:46,639 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:27:46,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,689 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:27:46,689 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/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 [2018-11-28 13:27:46,695 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:27:46,695 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:27:46,720 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 13:27:46,720 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/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 [2018-11-28 13:27:46,723 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:27:46,723 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7b1921e-4639-4990-813f-c363b1e515de/bin-2019/uautomizer/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 [2018-11-28 13:27:46,742 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:27:46,743 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:27:46,746 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 13:27:46,759 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:27:46,759 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:27:46,759 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:27:46,759 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:27:46,759 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:27:46,760 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:27:46,760 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:27:46,760 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:27:46,760 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_Continue1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 13:27:46,760 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:27:46,760 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:27:46,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:27:46,837 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:27:46,837 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:27:46,837 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:27:46,838 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:27:46,838 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:27:46,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:27:46,838 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:27:46,838 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:27:46,839 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:27:46,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:27:46,844 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 13:27:46,847 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 13:27:46,847 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 13:27:46,847 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 13:27:46,847 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 13:27:46,848 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 13:27:46,848 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 39 Supporting invariants [] [2018-11-28 13:27:46,848 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 13:27:46,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:46,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:27:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:46,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:27:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:27:46,865 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-28 13:27:46,865 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2018-11-28 13:27:46,872 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 11 states and 15 transitions. Complement of second has 4 states. [2018-11-28 13:27:46,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 13:27:46,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 13:27:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2018-11-28 13:27:46,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2018-11-28 13:27:46,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:27:46,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-28 13:27:46,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:27:46,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-28 13:27:46,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:27:46,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 15 transitions. [2018-11-28 13:27:46,875 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:27:46,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2018-11-28 13:27:46,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 13:27:46,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 13:27:46,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 13:27:46,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:27:46,875 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:27:46,876 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:27:46,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:27:46,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:27:46,879 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2018-11-28 13:27:46,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:46,880 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 13:27:46,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:27:46,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 13:27:46,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:27:46,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:27:46,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 13:27:46,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 13:27:46,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 13:27:46,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:27:46,882 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:27:46,882 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:27:46,882 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:27:46,882 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 13:27:46,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:27:46,882 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:27:46,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 13:27:46,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:27:46 BoogieIcfgContainer [2018-11-28 13:27:46,887 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:27:46,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:27:46,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:27:46,887 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:27:46,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:27:45" (3/4) ... [2018-11-28 13:27:46,890 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:27:46,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:27:46,890 INFO L168 Benchmark]: Toolchain (without parser) took 1359.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 958.6 MB in the beginning and 1.0 GB in the end (delta: -45.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:27:46,892 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:27:46,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.38 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 950.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:27:46,893 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.51 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 947.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:27:46,893 INFO L168 Benchmark]: Boogie Preprocessor took 10.64 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:27:46,893 INFO L168 Benchmark]: RCFGBuilder took 135.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:27:46,894 INFO L168 Benchmark]: BuchiAutomizer took 1044.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 139.5 MB). Peak memory consumption was 139.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:27:46,894 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:27:46,897 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.38 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 950.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.51 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 947.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.64 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 135.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1044.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 139.5 MB). Peak memory consumption was 139.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 5 locations. One deterministic module has affine ranking function -2 * i + 39 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 13 SDslu, 9 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax191 hnf98 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...