./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/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 07d66c4a8707cd8197105d63e3dee30aff715401 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:11:22,899 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:11:22,901 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:11:22,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:11:22,911 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:11:22,912 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:11:22,913 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:11:22,915 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:11:22,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:11:22,917 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:11:22,918 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:11:22,918 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:11:22,919 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:11:22,920 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:11:22,920 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:11:22,921 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:11:22,922 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:11:22,924 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:11:22,926 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:11:22,928 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:11:22,929 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:11:22,930 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:11:22,932 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:11:22,932 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:11:22,933 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:11:22,933 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:11:22,935 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:11:22,936 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:11:22,936 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:11:22,937 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:11:22,937 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:11:22,939 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:11:22,939 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:11:22,939 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:11:22,940 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:11:22,940 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:11:22,941 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:11:22,954 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:11:22,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:11:22,955 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:11:22,955 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:11:22,956 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:11:22,956 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:11:22,956 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:11:22,957 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:11:22,957 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:11:22,957 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:11:22,957 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:11:22,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:11:22,958 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:11:22,958 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:11:22,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:11:22,958 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:11:22,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:11:22,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:11:22,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:11:22,959 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:11:22,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:11:22,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:11:22,959 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:11:22,959 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:11:22,959 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:11:22,959 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:11:22,960 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:11:22,960 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:11:22,961 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_969c45a8-e52e-4c7b-9143-50e9e436745b/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 -> 07d66c4a8707cd8197105d63e3dee30aff715401 [2018-10-27 06:11:22,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:11:23,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:11:23,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:11:23,007 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:11:23,007 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:11:23,008 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c [2018-10-27 06:11:23,062 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/bin-2019/uautomizer/data/2d4cc5515/da35390c6f724c57856177a316207375/FLAG08c321658 [2018-10-27 06:11:23,436 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:11:23,437 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c [2018-10-27 06:11:23,442 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/bin-2019/uautomizer/data/2d4cc5515/da35390c6f724c57856177a316207375/FLAG08c321658 [2018-10-27 06:11:23,460 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/bin-2019/uautomizer/data/2d4cc5515/da35390c6f724c57856177a316207375 [2018-10-27 06:11:23,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:11:23,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:11:23,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:23,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:11:23,469 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:11:23,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e84b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23, skipping insertion in model container [2018-10-27 06:11:23,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:11:23,502 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:11:23,623 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:23,625 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:11:23,637 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:23,648 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:11:23,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23 WrapperNode [2018-10-27 06:11:23,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:23,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:23,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:11:23,650 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:11:23,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:23,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:11:23,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:11:23,680 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:11:23,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (1/1) ... [2018-10-27 06:11:23,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:11:23,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:11:23,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:11:23,697 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:11:23,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/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 [2018-10-27 06:11:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:11:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:11:24,062 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:11:24,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:24 BoogieIcfgContainer [2018-10-27 06:11:24,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:11:24,063 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:11:24,064 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:11:24,068 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:11:24,069 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:24,069 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:11:23" (1/3) ... [2018-10-27 06:11:24,071 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f6b86d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:11:24, skipping insertion in model container [2018-10-27 06:11:24,071 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:24,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:23" (2/3) ... [2018-10-27 06:11:24,072 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f6b86d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:11:24, skipping insertion in model container [2018-10-27 06:11:24,072 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:24,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:24" (3/3) ... [2018-10-27 06:11:24,075 INFO L375 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c [2018-10-27 06:11:24,181 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:11:24,182 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:11:24,182 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:11:24,182 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:11:24,182 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:11:24,182 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:11:24,182 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:11:24,182 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:11:24,183 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:11:24,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-10-27 06:11:24,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-10-27 06:11:24,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:11:24,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:11:24,266 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-10-27 06:11:24,266 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:11:24,266 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:11:24,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-10-27 06:11:24,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-10-27 06:11:24,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:11:24,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:11:24,268 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-10-27 06:11:24,268 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:11:24,284 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~x~0, main_~max~0;havoc main_~a~0;havoc main_~x~0;havoc main_~max~0;main_~max~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L16true assume main_~max~0 > 0;main_~a~0 := 0;main_~x~0 := 1; 7#L19-3true [2018-10-27 06:11:24,285 INFO L795 eck$LassoCheckResult]: Loop: 7#L19-3true assume true; 10#L19-1true assume !!(main_~x~0 < main_~max~0); 13#L20true assume main_#t~nondet1 != 0;havoc main_#t~nondet1;main_~a~0 := main_~a~0 + 1; 11#L20-2true main_~x~0 := main_~x~0 + 1; 7#L19-3true [2018-10-27 06:11:24,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:24,303 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2018-10-27 06:11:24,305 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:24,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:24,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:24,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:24,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:24,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:24,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1206635, now seen corresponding path program 1 times [2018-10-27 06:11:24,437 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:24,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:24,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:24,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:24,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:24,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:24,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1804969356, now seen corresponding path program 1 times [2018-10-27 06:11:24,450 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:24,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:24,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:24,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:24,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:24,572 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:11:24,573 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:11:24,573 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:11:24,573 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:11:24,573 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:11:24,574 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:11:24,574 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:11:24,574 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:11:24,574 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c_Iteration1_Loop [2018-10-27 06:11:24,574 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:11:24,574 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:11:24,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:24,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:24,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:24,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:24,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:24,889 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:11:24,890 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/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) [2018-10-27 06:11:24,895 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:11:24,895 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:11:24,947 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:11:24,947 INFO L446 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_969c45a8-e52e-4c7b-9143-50e9e436745b/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) [2018-10-27 06:11:24,960 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:11:24,960 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:11:24,999 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:11:24,999 INFO L446 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_969c45a8-e52e-4c7b-9143-50e9e436745b/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 [2018-10-27 06:11:25,004 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:11:25,004 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:11:25,010 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:11:25,011 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=7} Honda state: {ULTIMATE.start_main_#t~nondet1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/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 [2018-10-27 06:11:25,030 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:11:25,030 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/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 [2018-10-27 06:11:25,056 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:11:25,056 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:11:25,114 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:11:25,115 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0=0} Honda state: {ULTIMATE.start_main_~a~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0=4}, {ULTIMATE.start_main_~a~0=5}, {ULTIMATE.start_main_~a~0=-8}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/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 [2018-10-27 06:11:25,142 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:11:25,142 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_969c45a8-e52e-4c7b-9143-50e9e436745b/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 [2018-10-27 06:11:25,164 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:11:25,165 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:11:25,324 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:11:25,325 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:11:25,326 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:11:25,326 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:11:25,326 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:11:25,326 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:11:25,326 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:11:25,326 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:11:25,326 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:11:25,326 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c_Iteration1_Loop [2018-10-27 06:11:25,327 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:11:25,327 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:11:25,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:25,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:25,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:25,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:25,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:25,578 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:11:25,584 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:11:25,585 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 [2018-10-27 06:11:25,587 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:25,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:25,588 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:25,588 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:25,592 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:25,593 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:25,601 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:25,602 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 [2018-10-27 06:11:25,602 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:25,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:25,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:25,603 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:25,605 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:25,605 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:25,615 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:25,616 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 [2018-10-27 06:11:25,616 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:25,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:25,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:25,617 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-10-27 06:11:25,617 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:25,620 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:11:25,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:25,626 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:25,627 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 [2018-10-27 06:11:25,627 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:25,628 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:25,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:25,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:25,628 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:25,628 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:25,629 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:25,635 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:25,638 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 [2018-10-27 06:11:25,639 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:25,640 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:25,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:25,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:25,640 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:25,641 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:25,641 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:25,648 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:11:25,654 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-10-27 06:11:25,655 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:11:25,656 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:11:25,657 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:11:25,657 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:11:25,657 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~max~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~max~0 - 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2018-10-27 06:11:25,659 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:11:25,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:25,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:25,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:25,874 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 [2018-10-27 06:11:25,875 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2018-10-27 06:11:26,016 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 27 states and 31 transitions. Complement of second has 7 states. [2018-10-27 06:11:26,019 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 [2018-10-27 06:11:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-10-27 06:11:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2018-10-27 06:11:26,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 4 letters. [2018-10-27 06:11:26,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:26,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 7 letters. Loop has 4 letters. [2018-10-27 06:11:26,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:26,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 8 letters. [2018-10-27 06:11:26,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:26,027 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2018-10-27 06:11:26,028 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:11:26,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2018-10-27 06:11:26,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:11:26,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:11:26,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:11:26,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:11:26,036 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:26,037 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:26,037 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:26,037 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:11:26,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:11:26,040 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:11:26,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:11:26,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:11:26 BoogieIcfgContainer [2018-10-27 06:11:26,049 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:11:26,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:11:26,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:11:26,049 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:11:26,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:24" (3/4) ... [2018-10-27 06:11:26,055 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:11:26,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:11:26,057 INFO L168 Benchmark]: Toolchain (without parser) took 2592.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -107.5 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:26,060 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:11:26,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.04 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:26,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.25 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:11:26,063 INFO L168 Benchmark]: Boogie Preprocessor took 17.03 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:26,065 INFO L168 Benchmark]: RCFGBuilder took 365.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -206.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:26,066 INFO L168 Benchmark]: BuchiAutomizer took 1985.26 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: 85.4 MB). Peak memory consumption was 85.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:26,067 INFO L168 Benchmark]: Witness Printer took 7.18 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. [2018-10-27 06:11:26,071 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.04 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.4 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 30.25 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.03 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 365.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -206.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1985.26 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: 85.4 MB). Peak memory consumption was 85.4 MB. Max. memory is 11.5 GB. * Witness Printer took 7.18 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function max + -1 * x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 16 SDslu, 10 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...