./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.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_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/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 9382426e0298eea8efda3bbcf0c2ed9d078bc5a4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:50:38,416 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:50:38,416 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:50:38,422 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:50:38,423 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:50:38,423 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:50:38,424 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:50:38,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:50:38,425 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:50:38,426 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:50:38,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:50:38,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:50:38,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:50:38,427 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:50:38,428 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:50:38,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:50:38,429 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:50:38,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:50:38,430 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:50:38,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:50:38,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:50:38,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:50:38,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:50:38,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:50:38,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:50:38,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:50:38,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:50:38,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:50:38,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:50:38,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:50:38,436 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:50:38,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:50:38,437 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:50:38,437 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:50:38,437 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:50:38,438 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:50:38,438 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-08 12:50:38,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:50:38,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:50:38,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:50:38,448 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:50:38,449 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:50:38,449 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 12:50:38,449 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 12:50:38,449 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 12:50:38,449 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 12:50:38,449 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 12:50:38,449 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 12:50:38,450 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:50:38,450 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 12:50:38,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:50:38,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:50:38,450 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 12:50:38,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 12:50:38,451 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 12:50:38,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:50:38,451 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 12:50:38,451 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:50:38,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 12:50:38,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:50:38,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:50:38,452 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 12:50:38,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:50:38,452 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:50:38,452 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 12:50:38,453 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 12:50:38,453 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_c6add536-9675-4688-9507-01ded77211ca/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 -> 9382426e0298eea8efda3bbcf0c2ed9d078bc5a4 [2018-12-08 12:50:38,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:50:38,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:50:38,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:50:38,486 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:50:38,486 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:50:38,486 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-08 12:50:38,521 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/data/fb4bb0c39/ec81ecc8c3f84e5c995c4affc2130e4d/FLAG7b44262ce [2018-12-08 12:50:38,929 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:50:38,929 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/sv-benchmarks/c/termination-crafted/Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-08 12:50:38,932 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/data/fb4bb0c39/ec81ecc8c3f84e5c995c4affc2130e4d/FLAG7b44262ce [2018-12-08 12:50:38,941 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/data/fb4bb0c39/ec81ecc8c3f84e5c995c4affc2130e4d [2018-12-08 12:50:38,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:50:38,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:50:38,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:50:38,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:50:38,946 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:50:38,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:50:38" (1/1) ... [2018-12-08 12:50:38,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5663953f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:38, skipping insertion in model container [2018-12-08 12:50:38,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:50:38" (1/1) ... [2018-12-08 12:50:38,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:50:38,961 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:50:39,040 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:50:39,042 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:50:39,050 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:50:39,058 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:50:39,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39 WrapperNode [2018-12-08 12:50:39,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:50:39,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:50:39,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:50:39,059 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:50:39,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (1/1) ... [2018-12-08 12:50:39,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (1/1) ... [2018-12-08 12:50:39,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:50:39,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:50:39,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:50:39,076 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:50:39,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (1/1) ... [2018-12-08 12:50:39,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (1/1) ... [2018-12-08 12:50:39,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (1/1) ... [2018-12-08 12:50:39,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (1/1) ... [2018-12-08 12:50:39,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (1/1) ... [2018-12-08 12:50:39,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (1/1) ... [2018-12-08 12:50:39,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (1/1) ... [2018-12-08 12:50:39,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:50:39,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:50:39,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:50:39,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:50:39,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/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 [2018-12-08 12:50:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:50:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:50:39,209 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:50:39,209 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 12:50:39,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:50:39 BoogieIcfgContainer [2018-12-08 12:50:39,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:50:39,210 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 12:50:39,210 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 12:50:39,212 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 12:50:39,213 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:50:39,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 12:50:38" (1/3) ... [2018-12-08 12:50:39,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51c461a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 12:50:39, skipping insertion in model container [2018-12-08 12:50:39,213 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:50:39,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:39" (2/3) ... [2018-12-08 12:50:39,214 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51c461a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 12:50:39, skipping insertion in model container [2018-12-08 12:50:39,214 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:50:39,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:50:39" (3/3) ... [2018-12-08 12:50:39,215 INFO L375 chiAutomizerObserver]: Analyzing ICFG Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-08 12:50:39,246 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:50:39,246 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 12:50:39,247 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 12:50:39,247 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 12:50:39,247 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:50:39,247 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:50:39,247 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 12:50:39,247 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:50:39,247 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 12:50:39,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-12-08 12:50:39,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-08 12:50:39,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 12:50:39,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 12:50:39,270 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-08 12:50:39,270 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-08 12:50:39,270 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 12:50:39,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-12-08 12:50:39,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-08 12:50:39,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 12:50:39,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 12:50:39,271 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-08 12:50:39,271 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-08 12:50:39,275 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L16true assume main_~y~0 > main_~x~0; 3#L17-2true [2018-12-08 12:50:39,276 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0; 3#L17-2true [2018-12-08 12:50:39,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:39,279 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2018-12-08 12:50:39,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:39,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:39,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:39,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:39,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:50:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:50:39,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:39,337 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2018-12-08 12:50:39,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:39,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:39,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:39,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:39,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:50:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:50:39,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:39,343 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2018-12-08 12:50:39,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:39,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:39,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:39,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:39,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:50:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:50:39,385 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:50:39,385 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:50:39,385 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:50:39,385 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:50:39,386 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 12:50:39,386 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:50:39,386 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:50:39,386 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:50:39,386 INFO L131 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2018-12-08 12:50:39,386 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:50:39,386 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:50:39,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,467 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:50:39,468 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/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 [2018-12-08 12:50:39,471 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:50:39,471 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:50:39,476 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:50:39,476 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/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 [2018-12-08 12:50:39,491 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:50:39,491 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:50:39,507 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:50:39,507 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_c6add536-9675-4688-9507-01ded77211ca/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 [2018-12-08 12:50:39,509 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:50:39,510 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:50:39,512 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:50:39,512 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/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 [2018-12-08 12:50:39,526 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:50:39,527 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:50:39,529 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:50:39,529 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/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 [2018-12-08 12:50:39,543 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:50:39,543 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/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 [2018-12-08 12:50:39,560 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 12:50:39,561 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:50:39,627 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 12:50:39,628 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:50:39,628 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:50:39,628 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:50:39,629 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:50:39,629 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 12:50:39,629 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:50:39,629 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:50:39,629 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:50:39,629 INFO L131 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2018-12-08 12:50:39,629 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:50:39,629 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:50:39,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:50:39,676 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:50:39,679 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 12:50:39,680 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 [2018-12-08 12:50:39,681 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,682 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,682 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:50:39,686 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:50:39,686 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 12:50:39,692 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,693 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 [2018-12-08 12:50:39,693 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,693 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,694 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,694 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,694 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:50:39,695 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:50:39,695 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,696 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,696 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 [2018-12-08 12:50:39,696 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,697 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,697 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,697 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,697 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:50:39,698 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:50:39,698 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,698 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,699 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 [2018-12-08 12:50:39,699 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,700 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,700 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,700 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:50:39,701 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:50:39,701 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,701 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,702 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 [2018-12-08 12:50:39,702 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,702 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,702 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,703 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:50:39,705 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:50:39,705 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 12:50:39,721 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,722 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 [2018-12-08 12:50:39,722 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,722 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,723 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:50:39,724 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:50:39,724 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 12:50:39,729 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,729 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 12:50:39,730 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 [2018-12-08 12:50:39,730 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,731 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,733 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:50:39,733 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:50:39,738 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,738 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 [2018-12-08 12:50:39,738 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,739 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,739 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,739 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,739 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,739 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:50:39,739 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,740 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 [2018-12-08 12:50:39,741 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,741 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,742 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,742 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:50:39,742 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,744 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 [2018-12-08 12:50:39,744 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,744 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,745 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,745 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,745 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,745 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:50:39,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,746 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,747 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 [2018-12-08 12:50:39,747 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,748 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,750 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:50:39,750 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:50:39,766 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,767 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 [2018-12-08 12:50:39,767 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,767 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,767 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,769 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:50:39,769 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:50:39,774 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,775 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 12:50:39,775 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 [2018-12-08 12:50:39,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,776 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,778 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:50:39,778 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:50:39,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,783 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 [2018-12-08 12:50:39,783 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,783 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,784 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,784 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:50:39,784 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,785 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,786 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 [2018-12-08 12:50:39,786 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,786 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,786 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,787 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:50:39,787 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,788 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,788 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 [2018-12-08 12:50:39,788 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,788 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,788 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,788 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,789 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:50:39,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,789 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,790 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 [2018-12-08 12:50:39,790 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,790 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,793 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:50:39,793 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:50:39,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,808 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 [2018-12-08 12:50:39,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,809 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,811 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:50:39,811 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:50:39,816 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,817 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 12:50:39,817 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 [2018-12-08 12:50:39,817 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,818 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,818 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,819 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:50:39,820 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:50:39,823 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,824 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 [2018-12-08 12:50:39,824 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,824 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,825 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,825 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,825 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,825 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:50:39,825 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,826 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 [2018-12-08 12:50:39,827 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,827 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,827 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,827 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,828 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:50:39,828 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,828 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,829 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 [2018-12-08 12:50:39,829 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,829 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,830 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,830 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:50:39,830 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,831 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 [2018-12-08 12:50:39,832 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,832 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,832 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,832 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,834 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:50:39,834 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:50:39,848 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,849 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 [2018-12-08 12:50:39,849 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:50:39,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,850 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,850 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,851 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:50:39,851 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:50:39,857 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,857 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 12:50:39,857 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 [2018-12-08 12:50:39,858 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,858 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,858 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,858 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,860 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:50:39,860 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:50:39,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,865 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 [2018-12-08 12:50:39,865 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,865 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,865 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,866 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,866 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,866 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:50:39,866 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,867 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,867 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 [2018-12-08 12:50:39,867 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,868 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,868 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,868 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:50:39,868 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,869 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,869 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 [2018-12-08 12:50:39,869 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,870 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,870 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,870 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,870 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,870 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,871 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:50:39,871 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,872 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 [2018-12-08 12:50:39,873 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,873 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,873 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,875 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:50:39,875 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:50:39,887 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,887 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 [2018-12-08 12:50:39,888 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,888 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,888 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:50:39,890 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:50:39,890 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:50:39,894 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,894 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 12:50:39,894 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 [2018-12-08 12:50:39,895 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,895 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:50:39,895 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,896 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,896 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,897 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:50:39,897 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:50:39,902 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,902 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 [2018-12-08 12:50:39,903 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,903 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:50:39,903 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,903 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,903 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,903 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,904 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:50:39,904 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,905 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,906 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 [2018-12-08 12:50:39,906 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,906 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:50:39,906 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,906 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,906 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,907 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,907 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:50:39,907 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,908 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,909 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 [2018-12-08 12:50:39,909 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,909 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:50:39,909 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,910 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,911 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:50:39,911 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,913 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 [2018-12-08 12:50:39,913 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,913 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:50:39,913 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,914 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,914 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,916 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:50:39,916 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:50:39,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,928 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 [2018-12-08 12:50:39,928 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,929 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:50:39,929 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,929 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,930 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:50:39,930 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:50:39,935 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,936 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 12:50:39,936 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 [2018-12-08 12:50:39,937 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,937 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:39,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,937 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,939 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:50:39,939 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:50:39,944 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,945 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 [2018-12-08 12:50:39,945 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,945 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:39,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,946 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,946 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:50:39,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,947 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 [2018-12-08 12:50:39,947 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,947 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:39,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,948 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,948 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:50:39,948 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,949 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,949 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 [2018-12-08 12:50:39,950 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,950 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:39,950 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,950 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,951 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:50:39,951 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,952 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,953 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 [2018-12-08 12:50:39,953 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,953 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:39,953 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,954 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,956 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:50:39,956 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:50:39,970 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,970 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 [2018-12-08 12:50:39,971 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,971 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:39,972 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,972 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,972 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:50:39,973 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:50:39,974 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:50:39,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,979 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 12:50:39,980 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 [2018-12-08 12:50:39,980 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,980 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,980 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,981 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:50:39,982 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:50:39,984 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,984 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 [2018-12-08 12:50:39,984 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,985 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,985 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,985 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,985 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,985 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,986 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:50:39,986 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,987 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,988 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 [2018-12-08 12:50:39,988 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,988 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,988 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,988 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,989 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:50:39,989 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,990 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,990 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 [2018-12-08 12:50:39,990 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,990 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,991 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:39,991 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,991 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,991 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,991 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:50:39,991 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:39,992 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:39,992 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 [2018-12-08 12:50:39,993 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:39,993 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:39,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:39,993 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:39,993 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:39,994 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:50:39,995 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:50:40,002 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:40,003 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 [2018-12-08 12:50:40,003 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:40,003 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:50:40,004 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:40,004 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:40,004 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:50:40,004 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:50:40,004 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:50:40,008 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:40,008 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 12:50:40,008 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 [2018-12-08 12:50:40,009 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:40,009 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:40,009 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:40,009 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:40,009 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:50:40,010 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 12:50:40,010 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 12:50:40,013 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:40,013 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 [2018-12-08 12:50:40,014 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:40,014 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:40,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:40,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:40,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:40,014 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:50:40,015 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:50:40,015 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:40,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:40,016 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 [2018-12-08 12:50:40,017 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:40,017 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:40,017 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:40,017 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:40,017 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:40,017 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:50:40,018 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:50:40,018 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:40,020 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:40,020 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 [2018-12-08 12:50:40,021 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:40,021 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:40,021 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:50:40,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:40,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:40,022 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:50:40,022 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:50:40,022 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:50:40,024 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:40,024 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 [2018-12-08 12:50:40,024 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:40,025 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:40,025 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:40,025 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:40,025 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:50:40,026 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 12:50:40,026 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 12:50:40,035 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:40,036 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 [2018-12-08 12:50:40,036 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:50:40,036 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:50:40,037 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:50:40,037 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:50:40,037 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:50:40,038 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 12:50:40,039 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 12:50:40,043 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:50:40,043 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-08 12:50:40,043 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L16true assume main_~y~0 > main_~x~0; 3#L17-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0; 3#L17-2true [2018-12-08 12:50:40,044 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0; 3#L17-2true [2018-12-08 12:50:40,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:40,044 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 2 times [2018-12-08 12:50:40,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:40,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:40,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:40,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:40,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:50:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:50:40,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:40,050 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 2 times [2018-12-08 12:50:40,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:40,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:40,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:40,052 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 12:50:40,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:50:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:50:40,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:40,055 INFO L82 PathProgramCache]: Analyzing trace with hash 957572, now seen corresponding path program 3 times [2018-12-08 12:50:40,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:40,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:40,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:40,056 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 12:50:40,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:50:40,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:50:40,085 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6add536-9675-4688-9507-01ded77211ca/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 12:50:40,093 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 12:50:40,100 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-08 12:50:40,100 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 12:50:40,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:50:40,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:50:40,140 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 12:50:40,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-12-08 12:50:40,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 12:50:40,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 12:50:40,162 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2018-12-08 12:50:40,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:40,180 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-12-08 12:50:40,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 12:50:40,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2018-12-08 12:50:40,182 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 12:50:40,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-12-08 12:50:40,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 12:50:40,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 12:50:40,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 12:50:40,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 12:50:40,185 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:50:40,185 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:50:40,185 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:50:40,185 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 12:50:40,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-08 12:50:40,185 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 12:50:40,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-08 12:50:40,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 12:50:40 BoogieIcfgContainer [2018-12-08 12:50:40,188 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 12:50:40,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:50:40,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:50:40,188 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:50:40,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:50:39" (3/4) ... [2018-12-08 12:50:40,191 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:50:40,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:50:40,191 INFO L168 Benchmark]: Toolchain (without parser) took 1248.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 957.1 MB in the beginning and 869.0 MB in the end (delta: 88.0 MB). Peak memory consumption was 170.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:50:40,192 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. [2018-12-08 12:50:40,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 114.36 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:50:40,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.70 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:50:40,193 INFO L168 Benchmark]: Boogie Preprocessor took 9.78 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:50:40,193 INFO L168 Benchmark]: RCFGBuilder took 124.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:50:40,194 INFO L168 Benchmark]: BuchiAutomizer took 977.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 876.2 MB in the end (delta: 192.6 MB). Peak memory consumption was 192.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:50:40,194 INFO L168 Benchmark]: Witness Printer took 2.75 ms. Allocated memory is still 1.1 GB. Free memory was 876.2 MB in the beginning and 869.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:50:40,196 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 114.36 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.70 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.78 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 124.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 977.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 876.2 MB in the end (delta: 192.6 MB). Peak memory consumption was 192.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 ms. Allocated memory is still 1.1 GB. Free memory was 876.2 MB in the beginning and 869.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. 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 (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 7 SDslu, 6 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...