./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/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 05602efd0716c9bc46b30aae12cb2e2448644d24 ................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:32:47,943 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:32:47,944 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:32:47,950 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:32:47,950 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:32:47,950 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:32:47,951 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:32:47,951 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:32:47,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:32:47,953 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:32:47,953 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:32:47,953 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:32:47,954 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:32:47,954 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:32:47,955 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:32:47,955 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:32:47,955 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:32:47,956 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:32:47,957 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:32:47,958 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:32:47,958 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:32:47,959 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:32:47,960 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:32:47,960 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:32:47,960 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:32:47,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:32:47,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:32:47,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:32:47,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:32:47,962 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:32:47,962 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:32:47,962 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:32:47,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:32:47,963 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:32:47,963 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:32:47,963 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:32:47,963 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-09 01:32:47,971 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:32:47,971 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:32:47,971 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:32:47,971 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:32:47,972 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:32:47,972 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 01:32:47,972 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 01:32:47,972 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 01:32:47,972 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 01:32:47,972 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 01:32:47,972 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 01:32:47,972 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:32:47,972 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 01:32:47,972 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:32:47,972 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:32:47,973 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 01:32:47,973 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 01:32:47,973 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 01:32:47,973 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:32:47,973 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 01:32:47,973 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:32:47,973 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 01:32:47,973 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:32:47,973 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:32:47,973 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 01:32:47,974 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:32:47,974 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 01:32:47,974 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 01:32:47,974 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 01:32:47,974 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_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/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 -> 05602efd0716c9bc46b30aae12cb2e2448644d24 [2018-12-09 01:32:47,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:32:47,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:32:47,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:32:47,999 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:32:47,999 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:32:48,000 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c [2018-12-09 01:32:48,032 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/bin-2019/uautomizer/data/4556cdb2a/c48318fef0fe4b6983958b6c0708900e/FLAGaf7e93c85 [2018-12-09 01:32:48,402 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:32:48,402 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c [2018-12-09 01:32:48,406 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/bin-2019/uautomizer/data/4556cdb2a/c48318fef0fe4b6983958b6c0708900e/FLAGaf7e93c85 [2018-12-09 01:32:48,414 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/bin-2019/uautomizer/data/4556cdb2a/c48318fef0fe4b6983958b6c0708900e [2018-12-09 01:32:48,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:32:48,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:32:48,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:32:48,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:32:48,419 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:32:48,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48, skipping insertion in model container [2018-12-09 01:32:48,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:32:48,433 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:32:48,514 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:32:48,516 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:32:48,524 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:32:48,531 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:32:48,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48 WrapperNode [2018-12-09 01:32:48,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:32:48,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:32:48,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:32:48,532 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:32:48,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:32:48,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:32:48,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:32:48,551 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:32:48,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (1/1) ... [2018-12-09 01:32:48,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:32:48,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:32:48,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:32:48,562 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:32:48,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/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 [2018-12-09 01:32:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:32:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:32:48,696 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:32:48,696 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 01:32:48,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:32:48 BoogieIcfgContainer [2018-12-09 01:32:48,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:32:48,697 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 01:32:48,697 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 01:32:48,699 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 01:32:48,700 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:32:48,700 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 01:32:48" (1/3) ... [2018-12-09 01:32:48,701 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e197ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 01:32:48, skipping insertion in model container [2018-12-09 01:32:48,701 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:32:48,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:32:48" (2/3) ... [2018-12-09 01:32:48,701 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e197ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 01:32:48, skipping insertion in model container [2018-12-09 01:32:48,702 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:32:48,702 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:32:48" (3/3) ... [2018-12-09 01:32:48,703 INFO L375 chiAutomizerObserver]: Analyzing ICFG ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c [2018-12-09 01:32:48,748 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:32:48,748 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 01:32:48,748 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 01:32:48,748 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 01:32:48,748 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:32:48,748 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:32:48,748 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 01:32:48,749 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:32:48,749 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 01:32:48,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-12-09 01:32:48,768 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-09 01:32:48,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 01:32:48,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 01:32:48,772 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 01:32:48,772 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 01:32:48,772 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 01:32:48,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-12-09 01:32:48,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-09 01:32:48,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 01:32:48,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 01:32:48,773 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 01:32:48,773 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 01:32:48,778 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L27-2true [2018-12-09 01:32:48,778 INFO L796 eck$LassoCheckResult]: Loop: 8#L27-2true assume !!(main_~x~0 < main_~y~0);main_~x~0 := 1 + main_~x~0;main_~y~0 := main_~z~0; 8#L27-2true [2018-12-09 01:32:48,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:32:48,782 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-09 01:32:48,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:32:48,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:32:48,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:32:48,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:32:48,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:32:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:32:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:32:48,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:32:48,841 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-12-09 01:32:48,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:32:48,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:32:48,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:32:48,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:32:48,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:32:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:32:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:32:48,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:32:48,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-09 01:32:48,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:32:48,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:32:48,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:32:48,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:32:48,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:32:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:32:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:32:48,883 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 01:32:48,884 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 01:32:48,884 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 01:32:48,884 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 01:32:48,884 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 01:32:48,884 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:32:48,884 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 01:32:48,884 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 01:32:48,884 INFO L131 ssoRankerPreferences]: Filename of dumped script: ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c_Iteration1_Loop [2018-12-09 01:32:48,885 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 01:32:48,885 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 01:32:48,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:32:48,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:32:48,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:32:48,963 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 01:32:48,964 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/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 [2018-12-09 01:32:48,967 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:32:48,967 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:32:48,996 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:32:48,996 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_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/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 [2018-12-09 01:32:48,999 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:32:48,999 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:32:49,014 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:32:49,014 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_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/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 [2018-12-09 01:32:49,017 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:32:49,017 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c2df627-7b7e-4aa8-aa37-a7180ea8cfc8/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 [2018-12-09 01:32:49,034 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 01:32:49,034 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:32:51,424 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 01:32:51,426 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 01:32:51,426 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 01:32:51,426 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 01:32:51,426 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 01:32:51,426 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 01:32:51,426 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:32:51,426 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 01:32:51,426 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 01:32:51,427 INFO L131 ssoRankerPreferences]: Filename of dumped script: ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c_Iteration1_Loop [2018-12-09 01:32:51,427 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 01:32:51,427 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 01:32:51,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:32:51,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:32:51,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:32:51,475 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 01:32:51,478 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 01:32:51,479 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 [2018-12-09 01:32:51,480 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:32:51,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:32:51,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:32:51,481 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:32:51,483 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 01:32:51,483 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 01:32:51,489 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:32:51,490 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 [2018-12-09 01:32:51,490 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:32:51,491 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:32:51,491 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:32:51,491 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:32:51,493 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 01:32:51,493 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 01:32:51,498 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:32:51,499 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 [2018-12-09 01:32:51,500 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:32:51,500 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:32:51,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:32:51,500 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:32:51,500 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:32:51,501 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:32:51,502 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:32:51,508 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:32:51,508 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 01:32:51,508 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 [2018-12-09 01:32:51,509 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:32:51,509 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:32:51,509 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:32:51,509 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 01:32:51,512 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 01:32:51,512 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 01:32:51,515 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:32:51,516 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 [2018-12-09 01:32:51,516 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:32:51,516 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:32:51,516 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:32:51,516 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 01:32:51,518 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 01:32:51,519 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 01:32:51,525 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:32:51,525 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 [2018-12-09 01:32:51,525 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:32:51,526 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:32:51,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:32:51,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:32:51,526 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 01:32:51,527 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 01:32:51,527 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:32:51,535 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 01:32:51,550 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2018-12-09 01:32:51,550 INFO L444 ModelExtractionUtils]: 2 out of 9 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-12-09 01:32:51,552 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 01:32:51,552 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-09 01:32:51,552 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 01:32:51,553 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*ULTIMATE.start_main_~z~0 - 1*ULTIMATE.start_main_~x~0 f1 = -1*ULTIMATE.start_main_~x~0 + 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2018-12-09 01:32:51,554 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-09 01:32:51,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:32:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:32:51,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:32:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:32:51,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:32:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:32:51,600 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 [2018-12-09 01:32:51,600 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2018-12-09 01:32:51,622 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2018-12-09 01:32:51,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 01:32:51,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-12-09 01:32:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2018-12-09 01:32:51,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2018-12-09 01:32:51,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 01:32:51,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2018-12-09 01:32:51,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 01:32:51,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2018-12-09 01:32:51,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 01:32:51,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2018-12-09 01:32:51,626 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 01:32:51,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2018-12-09 01:32:51,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-09 01:32:51,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-09 01:32:51,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-09 01:32:51,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 01:32:51,629 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:32:51,629 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:32:51,629 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:32:51,629 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 01:32:51,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:32:51,630 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 01:32:51,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-09 01:32:51,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 01:32:51 BoogieIcfgContainer [2018-12-09 01:32:51,633 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 01:32:51,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:32:51,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:32:51,633 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:32:51,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:32:48" (3/4) ... [2018-12-09 01:32:51,636 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 01:32:51,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:32:51,636 INFO L168 Benchmark]: Toolchain (without parser) took 3220.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -55.3 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:32:51,637 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:32:51,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 115.47 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:32:51,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.06 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:32:51,638 INFO L168 Benchmark]: Boogie Preprocessor took 10.97 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 945.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:32:51,638 INFO L168 Benchmark]: RCFGBuilder took 135.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:32:51,639 INFO L168 Benchmark]: BuchiAutomizer took 2935.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:32:51,639 INFO L168 Benchmark]: Witness Printer took 2.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:32:51,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 115.47 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 18.06 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.97 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 945.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 135.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2935.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.39 ms. Allocated memory is still 1.1 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function (if z + -1 * x > 0 then 1 else 0), (if z + -1 * x > 0 then z + -1 * x else -1 * x + y) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp100 dnf100 smp100 tf109 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...