./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/Sequence_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Sequence_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/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 a2ea109607ebd9a0eb298d5042ccc7f2e5bd7dbe ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:55:31,834 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:55:31,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:55:31,852 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:55:31,852 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:55:31,853 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:55:31,854 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:55:31,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:55:31,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:55:31,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:55:31,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:55:31,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:55:31,863 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:55:31,864 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:55:31,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:55:31,865 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:55:31,866 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:55:31,867 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:55:31,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:55:31,870 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:55:31,871 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:55:31,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:55:31,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:55:31,882 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:55:31,883 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:55:31,884 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:55:31,885 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:55:31,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:55:31,886 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:55:31,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:55:31,887 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:55:31,887 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:55:31,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:55:31,888 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:55:31,888 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:55:31,889 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:55:31,889 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-18 15:55:31,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:55:31,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:55:31,902 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:55:31,902 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:55:31,902 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:55:31,902 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:55:31,902 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:55:31,902 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:55:31,902 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:55:31,903 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:55:31,903 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:55:31,903 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:55:31,903 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:55:31,903 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:55:31,904 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:55:31,904 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:55:31,904 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:55:31,905 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:55:31,905 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:55:31,905 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:55:31,905 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:55:31,905 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:55:31,905 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:55:31,905 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:55:31,905 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:55:31,905 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:55:31,906 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:55:31,906 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:55:31,906 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:55:31,906 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_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/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 -> a2ea109607ebd9a0eb298d5042ccc7f2e5bd7dbe [2018-11-18 15:55:31,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:55:31,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:55:31,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:55:31,948 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:55:31,949 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:55:31,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/Sequence_true-termination_true-no-overflow.c [2018-11-18 15:55:31,991 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/data/9b2576eda/194a20f3b40a41398fbea11f1157a15c/FLAG7cec15f1c [2018-11-18 15:55:32,332 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:55:32,332 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/sv-benchmarks/c/termination-restricted-15/Sequence_true-termination_true-no-overflow.c [2018-11-18 15:55:32,337 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/data/9b2576eda/194a20f3b40a41398fbea11f1157a15c/FLAG7cec15f1c [2018-11-18 15:55:32,768 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/data/9b2576eda/194a20f3b40a41398fbea11f1157a15c [2018-11-18 15:55:32,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:55:32,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:55:32,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:55:32,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:55:32,775 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:55:32,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a25bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32, skipping insertion in model container [2018-11-18 15:55:32,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:55:32,797 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:55:32,928 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:55:32,930 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:55:32,939 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:55:32,949 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:55:32,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32 WrapperNode [2018-11-18 15:55:32,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:55:32,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:55:32,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:55:32,950 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:55:32,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:55:32,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:55:32,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:55:32,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:55:32,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (1/1) ... [2018-11-18 15:55:32,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:55:32,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:55:32,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:55:32,981 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:55:32,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:55:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:55:33,157 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:55:33,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:55:33 BoogieIcfgContainer [2018-11-18 15:55:33,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:55:33,158 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:55:33,158 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:55:33,161 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:55:33,162 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:55:33,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:55:32" (1/3) ... [2018-11-18 15:55:33,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bf3b62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:55:33, skipping insertion in model container [2018-11-18 15:55:33,163 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:55:33,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:55:32" (2/3) ... [2018-11-18 15:55:33,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bf3b62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:55:33, skipping insertion in model container [2018-11-18 15:55:33,163 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:55:33,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:55:33" (3/3) ... [2018-11-18 15:55:33,165 INFO L375 chiAutomizerObserver]: Analyzing ICFG Sequence_true-termination_true-no-overflow.c [2018-11-18 15:55:33,205 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:55:33,205 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:55:33,205 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:55:33,205 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:55:33,205 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:55:33,205 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:55:33,206 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:55:33,206 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:55:33,206 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:55:33,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-18 15:55:33,230 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-18 15:55:33,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:55:33,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:55:33,235 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 15:55:33,235 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 15:55:33,235 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:55:33,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-18 15:55:33,236 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-18 15:55:33,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:55:33,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:55:33,237 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 15:55:33,237 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 15:55:33,241 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0;main_~j~0 := 5; 11#L11-3true [2018-11-18 15:55:33,242 INFO L796 eck$LassoCheckResult]: Loop: 11#L11-3true assume true; 5#L11-1true assume !!(main_~i~0 < 100);main_~i~0 := 1 + main_~i~0; 11#L11-3true [2018-11-18 15:55:33,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:33,245 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-18 15:55:33,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:55:33,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:55:33,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:33,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:55:33,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:33,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:33,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-18 15:55:33,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:55:33,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:55:33,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:33,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:55:33,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:33,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:33,312 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-18 15:55:33,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:55:33,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:55:33,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:33,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:55:33,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:33,360 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 15:55:33,361 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 15:55:33,361 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 15:55:33,361 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 15:55:33,361 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 15:55:33,361 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:33,361 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 15:55:33,361 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 15:55:33,361 INFO L131 ssoRankerPreferences]: Filename of dumped script: Sequence_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-18 15:55:33,362 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 15:55:33,362 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 15:55:33,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:33,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:33,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:33,501 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 15:55:33,501 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:33,505 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 15:55:33,505 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 15:55:33,526 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 15:55:33,527 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_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:33,532 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 15:55:33,532 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 15:55:33,559 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 15:55:33,560 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_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:33,563 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 15:55:33,563 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:33,581 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 15:55:33,581 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 15:55:33,601 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 15:55:33,602 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 15:55:33,602 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 15:55:33,602 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 15:55:33,602 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 15:55:33,602 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 15:55:33,603 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:33,603 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 15:55:33,603 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 15:55:33,603 INFO L131 ssoRankerPreferences]: Filename of dumped script: Sequence_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-18 15:55:33,603 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 15:55:33,603 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 15:55:33,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:33,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:33,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:33,761 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 15:55:33,764 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 15:55:33,765 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 15:55:33,766 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 15:55:33,766 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 15:55:33,766 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 15:55:33,767 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 15:55:33,770 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 15:55:33,770 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 15:55:33,776 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 15:55:33,777 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 15:55:33,777 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 15:55:33,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 15:55:33,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 15:55:33,778 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 15:55:33,780 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 15:55:33,780 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 15:55:33,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 15:55:33,787 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 15:55:33,788 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 15:55:33,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 15:55:33,788 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 15:55:33,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 15:55:33,789 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 15:55:33,789 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 15:55:33,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 15:55:33,795 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 15:55:33,799 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 15:55:33,799 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 15:55:33,801 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 15:55:33,801 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 15:55:33,801 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 15:55:33,801 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199 Supporting invariants [] [2018-11-18 15:55:33,802 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 15:55:33,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:55:33,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:55:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:55:33,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:55:33,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:55:33,911 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-18 15:55:33,911 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2018-11-18 15:55:33,943 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2018-11-18 15:55:33,943 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 [2018-11-18 15:55:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 15:55:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2018-11-18 15:55:33,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2018-11-18 15:55:33,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 15:55:33,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-18 15:55:33,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 15:55:33,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-18 15:55:33,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 15:55:33,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2018-11-18 15:55:33,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 15:55:33,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 10 transitions. [2018-11-18 15:55:33,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2018-11-18 15:55:33,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2018-11-18 15:55:33,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2018-11-18 15:55:33,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-18 15:55:33,956 INFO L705 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2018-11-18 15:55:33,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2018-11-18 15:55:33,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-11-18 15:55:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 15:55:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2018-11-18 15:55:33,975 INFO L728 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2018-11-18 15:55:33,975 INFO L608 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2018-11-18 15:55:33,975 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:55:33,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2018-11-18 15:55:33,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 15:55:33,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:55:33,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:55:33,976 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-18 15:55:33,976 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 15:55:33,976 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 69#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0;main_~j~0 := 5; 70#L11-3 assume true; 71#L11-1 assume !(main_~i~0 < 100); 72#L13-2 [2018-11-18 15:55:33,976 INFO L796 eck$LassoCheckResult]: Loop: 72#L13-2 assume true; 76#L13 assume !!(main_~j~0 < 21);main_~j~0 := 3 + main_~j~0; 72#L13-2 [2018-11-18 15:55:33,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:33,976 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-11-18 15:55:33,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:55:33,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:55:33,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:33,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:55:33,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:55:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:55:34,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:55:34,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:55:34,012 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 15:55:34,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:34,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1543, now seen corresponding path program 1 times [2018-11-18 15:55:34,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:55:34,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:55:34,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:34,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:55:34,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:55:34,037 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 15:55:34,037 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 15:55:34,037 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 15:55:34,037 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 15:55:34,037 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 15:55:34,037 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:34,037 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 15:55:34,038 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 15:55:34,038 INFO L131 ssoRankerPreferences]: Filename of dumped script: Sequence_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-18 15:55:34,038 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 15:55:34,038 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 15:55:34,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:34,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:34,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:34,092 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 15:55:34,092 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:34,104 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 15:55:34,104 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 15:55:34,120 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 15:55:34,121 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:34,123 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 15:55:34,123 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 15:55:34,139 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 15:55:34,139 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:34,142 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 15:55:34,142 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bbedabb-d4f8-494a-b1a8-10a2390fb04a/bin-2019/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:34,163 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 15:55:34,164 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 15:55:34,181 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 15:55:34,183 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 15:55:34,183 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 15:55:34,183 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 15:55:34,183 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 15:55:34,183 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 15:55:34,183 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:55:34,183 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 15:55:34,184 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 15:55:34,184 INFO L131 ssoRankerPreferences]: Filename of dumped script: Sequence_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-18 15:55:34,184 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 15:55:34,184 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 15:55:34,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:34,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:34,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 15:55:34,263 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 15:55:34,263 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 15:55:34,263 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 15:55:34,264 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 15:55:34,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 15:55:34,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 15:55:34,264 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 15:55:34,267 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 15:55:34,267 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 15:55:34,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 15:55:34,270 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 15:55:34,270 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 15:55:34,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 15:55:34,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 15:55:34,271 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 15:55:34,273 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 15:55:34,273 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 15:55:34,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 15:55:34,278 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 15:55:34,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 15:55:34,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 15:55:34,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 15:55:34,279 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 15:55:34,279 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 15:55:34,283 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 15:55:34,283 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 15:55:34,287 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 15:55:34,292 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 15:55:34,292 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 15:55:34,292 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 15:55:34,292 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 15:55:34,292 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 15:55:34,292 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~j~0 + 43 Supporting invariants [] [2018-11-18 15:55:34,293 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 15:55:34,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:55:34,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:55:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:55:34,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:55:34,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:55:34,331 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-18 15:55:34,331 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 3 states. [2018-11-18 15:55:34,334 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 4 states. [2018-11-18 15:55:34,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-18 15:55:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 15:55:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2018-11-18 15:55:34,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-18 15:55:34,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 15:55:34,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2018-11-18 15:55:34,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 15:55:34,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2018-11-18 15:55:34,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 15:55:34,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2018-11-18 15:55:34,337 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 15:55:34,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2018-11-18 15:55:34,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 15:55:34,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 15:55:34,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 15:55:34,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:55:34,338 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:55:34,338 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:55:34,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:55:34,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:55:34,341 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-18 15:55:34,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:55:34,343 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 15:55:34,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:55:34,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-18 15:55:34,344 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 15:55:34,344 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:55:34,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 15:55:34,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 15:55:34,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 15:55:34,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:55:34,344 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:55:34,344 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:55:34,344 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:55:34,344 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 15:55:34,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:55:34,344 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 15:55:34,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 15:55:34,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:55:34 BoogieIcfgContainer [2018-11-18 15:55:34,350 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:55:34,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:55:34,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:55:34,350 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:55:34,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:55:33" (3/4) ... [2018-11-18 15:55:34,353 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 15:55:34,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:55:34,354 INFO L168 Benchmark]: Toolchain (without parser) took 1582.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 960.7 MB in the beginning and 1.0 GB in the end (delta: -42.1 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:55:34,355 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:55:34,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.25 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:55:34,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.18 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:55:34,356 INFO L168 Benchmark]: Boogie Preprocessor took 11.15 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:55:34,357 INFO L168 Benchmark]: RCFGBuilder took 177.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:55:34,357 INFO L168 Benchmark]: BuchiAutomizer took 1191.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:55:34,358 INFO L168 Benchmark]: Witness Printer took 3.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:55:34,360 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.25 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 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 19.18 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.15 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 177.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1191.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 199 and consists of 4 locations. One deterministic module has affine ranking function -2 * j + 43 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 14 SDslu, 8 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...