./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/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 32bit --witnessprinter.graph.data.programhash d57e8ddb55bdff7b186468e47377e815829f9014 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:29:18,432 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:29:18,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:29:18,440 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:29:18,440 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:29:18,441 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:29:18,442 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:29:18,443 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:29:18,444 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:29:18,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:29:18,445 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:29:18,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:29:18,446 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:29:18,447 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:29:18,448 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:29:18,448 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:29:18,449 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:29:18,450 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:29:18,452 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:29:18,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:29:18,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:29:18,454 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:29:18,456 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:29:18,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:29:18,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:29:18,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:29:18,457 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:29:18,458 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:29:18,458 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:29:18,459 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:29:18,459 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:29:18,460 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:29:18,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:29:18,460 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:29:18,461 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:29:18,461 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:29:18,461 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 00:29:18,470 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:29:18,471 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:29:18,471 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:29:18,472 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:29:18,472 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:29:18,472 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 00:29:18,472 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 00:29:18,472 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 00:29:18,473 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 00:29:18,473 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 00:29:18,473 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 00:29:18,473 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:29:18,473 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:29:18,473 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 00:29:18,473 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:29:18,474 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:29:18,474 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:29:18,474 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 00:29:18,474 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 00:29:18,474 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 00:29:18,475 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:29:18,475 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:29:18,475 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 00:29:18,475 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:29:18,475 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 00:29:18,476 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:29:18,476 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:29:18,476 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 00:29:18,476 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:29:18,476 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:29:18,476 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 00:29:18,477 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 00:29:18,477 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_a00f38f6-e9cc-4f62-83b9-9247d65675cb/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57e8ddb55bdff7b186468e47377e815829f9014 [2018-11-23 00:29:18,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:29:18,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:29:18,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:29:18,509 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:29:18,509 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:29:18,510 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-11-23 00:29:18,546 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/data/e16f39b82/9bd396226a4b4a25ad81ddf8a277a793/FLAGcfe299dc9 [2018-11-23 00:29:18,931 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:29:18,932 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-11-23 00:29:18,935 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/data/e16f39b82/9bd396226a4b4a25ad81ddf8a277a793/FLAGcfe299dc9 [2018-11-23 00:29:18,946 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/data/e16f39b82/9bd396226a4b4a25ad81ddf8a277a793 [2018-11-23 00:29:18,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:29:18,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:29:18,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:29:18,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:29:18,952 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:29:18,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:18" (1/1) ... [2018-11-23 00:29:18,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e5f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:18, skipping insertion in model container [2018-11-23 00:29:18,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:18" (1/1) ... [2018-11-23 00:29:18,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:29:18,970 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:29:19,068 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:29:19,070 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:29:19,079 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:29:19,088 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:29:19,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19 WrapperNode [2018-11-23 00:29:19,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:29:19,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:29:19,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:29:19,089 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:29:19,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (1/1) ... [2018-11-23 00:29:19,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (1/1) ... [2018-11-23 00:29:19,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:29:19,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:29:19,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:29:19,108 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:29:19,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (1/1) ... [2018-11-23 00:29:19,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (1/1) ... [2018-11-23 00:29:19,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (1/1) ... [2018-11-23 00:29:19,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (1/1) ... [2018-11-23 00:29:19,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (1/1) ... [2018-11-23 00:29:19,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (1/1) ... [2018-11-23 00:29:19,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (1/1) ... [2018-11-23 00:29:19,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:29:19,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:29:19,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:29:19,121 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:29:19,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:29:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:29:19,283 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:29:19,283 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 00:29:19,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:19 BoogieIcfgContainer [2018-11-23 00:29:19,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:29:19,284 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 00:29:19,284 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 00:29:19,287 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 00:29:19,287 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:29:19,288 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:29:18" (1/3) ... [2018-11-23 00:29:19,288 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64a0025b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:29:19, skipping insertion in model container [2018-11-23 00:29:19,289 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:29:19,289 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:19" (2/3) ... [2018-11-23 00:29:19,290 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64a0025b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:29:19, skipping insertion in model container [2018-11-23 00:29:19,290 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:29:19,290 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:19" (3/3) ... [2018-11-23 00:29:19,291 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call3_true-termination.i [2018-11-23 00:29:19,341 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:29:19,342 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 00:29:19,342 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 00:29:19,342 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 00:29:19,342 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:29:19,342 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:29:19,342 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 00:29:19,342 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:29:19,342 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 00:29:19,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-23 00:29:19,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 00:29:19,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:29:19,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:29:19,374 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 00:29:19,374 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 00:29:19,374 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 00:29:19,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-23 00:29:19,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 00:29:19,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:29:19,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:29:19,376 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 00:29:19,376 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 00:29:19,382 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true [2018-11-23 00:29:19,383 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-11-23 00:29:19,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:29:19,388 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-23 00:29:19,390 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:29:19,390 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:29:19,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:19,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:29:19,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:19,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:29:19,458 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-23 00:29:19,458 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:29:19,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:29:19,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:19,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:29:19,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:19,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:29:19,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-23 00:29:19,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:29:19,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:29:19,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:19,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:29:19,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:19,500 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:29:19,501 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:29:19,501 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:29:19,501 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:29:19,501 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 00:29:19,501 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:19,501 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:29:19,501 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:29:19,501 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-23 00:29:19,502 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:29:19,502 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:29:19,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:29:19,654 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:29:19,655 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:19,666 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:29:19,666 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:19,698 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 00:29:19,698 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:29:34,832 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 00:29:34,840 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:29:34,840 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:29:34,840 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:29:34,840 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:29:34,841 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 00:29:34,841 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:34,841 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:29:34,841 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:29:34,841 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-23 00:29:34,841 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:29:34,841 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:29:34,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:29:34,906 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:29:34,909 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 00:29:34,910 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:34,911 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:34,912 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:34,913 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:34,913 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:34,913 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:29:34,915 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:29:34,915 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:34,928 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:34,928 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 00:29:34,929 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:34,929 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:34,929 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:34,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:34,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:34,930 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:29:34,931 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:29:34,931 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:34,942 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:34,943 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 00:29:34,943 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:34,944 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:34,944 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:34,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:34,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:34,945 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:34,947 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:29:34,947 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:34,963 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:34,963 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 00:29:34,963 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:34,964 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:34,964 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:34,964 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:34,964 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:34,964 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:29:34,966 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:29:34,967 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:34,982 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:34,982 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 00:29:34,982 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:34,983 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:34,983 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:29:34,983 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:34,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:34,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:34,984 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:29:34,988 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:29:34,988 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:35,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:35,021 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 00:29:35,022 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:35,022 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:35,023 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 00:29:35,023 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:35,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:35,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:35,023 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:35,028 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:29:35,029 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:35,073 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:35,074 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 00:29:35,074 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:35,075 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:35,075 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:29:35,075 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:35,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:35,076 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:35,076 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:29:35,081 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:29:35,081 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:35,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:35,124 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 00:29:35,124 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:35,126 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:35,126 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:29:35,126 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:35,126 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:35,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:35,126 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:35,128 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:29:35,128 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:35,136 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:35,136 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 00:29:35,137 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:35,137 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:35,138 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:29:35,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:35,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:35,138 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:35,138 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 00:29:35,140 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:29:35,140 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:35,154 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:35,169 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:29:35,169 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:29:35,169 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:29:35,169 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:29:35,169 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 00:29:35,169 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:35,170 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:29:35,170 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:29:35,170 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-23 00:29:35,170 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:29:35,170 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:29:35,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:29:35,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:29:35,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:29:35,257 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:29:35,257 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:35,274 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:29:35,274 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:29:35,279 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:29:35,279 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_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:35,298 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:29:35,298 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:35,330 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 00:29:35,330 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:29:47,385 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 00:29:47,392 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:29:47,392 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:29:47,392 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:29:47,392 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:29:47,392 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 00:29:47,392 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:47,392 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:29:47,393 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:29:47,393 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-23 00:29:47,393 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:29:47,393 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:29:47,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:29:47,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:29:47,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:29:47,494 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:29:47,494 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 00:29:47,495 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,495 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,495 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,496 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,496 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:29:47,496 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:29:47,496 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,500 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,501 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,501 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,502 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,502 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,502 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:29:47,504 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:29:47,504 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:29:47,514 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,514 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,515 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,515 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,515 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,515 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:29:47,515 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:29:47,516 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,516 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,516 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 00:29:47,516 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,517 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,517 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,517 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,517 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,517 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:29:47,518 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:29:47,518 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,518 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,519 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,519 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,519 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,519 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,519 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:29:47,526 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 00:29:47,526 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 00:29:47,538 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,539 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,539 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,539 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,540 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,540 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,540 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:29:47,540 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:29:47,540 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,543 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,543 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 00:29:47,544 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,544 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,544 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,545 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,545 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:47,545 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:29:47,545 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,546 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,546 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,546 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,547 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:47,550 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 00:29:47,550 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 00:29:47,564 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,565 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,565 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,566 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:47,567 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:29:47,567 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,567 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,567 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 00:29:47,568 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,568 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,568 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,568 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,568 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,569 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:29:47,570 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:29:47,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,571 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,571 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,572 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,572 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,572 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,572 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:29:47,575 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 00:29:47,575 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 00:29:47,591 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,591 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,592 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:29:47,592 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,592 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,592 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,592 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:29:47,594 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:29:47,595 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,595 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,595 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 00:29:47,596 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,596 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,596 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:29:47,596 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,597 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,597 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:29:47,597 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:29:47,597 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,598 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,598 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,598 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,599 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:29:47,599 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,599 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,599 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:29:47,605 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 00:29:47,606 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 00:29:47,627 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,627 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,628 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,628 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:29:47,628 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,628 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:29:47,629 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:29:47,629 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,630 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 00:29:47,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,630 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,631 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 00:29:47,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,631 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:47,632 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:29:47,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,635 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,636 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,636 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,636 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 00:29:47,637 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,637 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,637 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:47,640 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 00:29:47,640 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 00:29:47,682 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,682 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,683 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,683 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 00:29:47,683 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,684 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:47,684 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:29:47,684 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,686 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 00:29:47,686 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,687 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,687 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:29:47,687 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,687 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,687 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,687 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:29:47,688 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:29:47,688 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,689 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,689 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,690 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,690 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:29:47,690 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,690 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,690 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:29:47,695 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 00:29:47,695 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 00:29:47,778 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,779 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,779 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,779 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:29:47,780 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,780 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,780 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,780 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:29:47,781 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:29:47,781 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,782 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 00:29:47,782 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,782 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,783 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:29:47,783 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,783 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:47,784 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:29:47,784 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,785 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,785 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,785 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,785 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:29:47,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,786 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:47,788 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 00:29:47,788 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 00:29:47,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,814 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,814 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,814 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:29:47,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,815 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:29:47,815 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:29:47,815 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,816 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,816 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 00:29:47,817 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 [2018-11-23 00:29:47,817 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,817 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:29:47,817 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,817 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,818 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 00:29:47,818 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:29:47,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,819 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,820 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,820 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:29:47,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,820 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 00:29:47,828 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 00:29:47,828 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 00:29:47,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,871 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:29:47,872 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:29:47,872 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:29:47,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:29:47,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:29:47,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:29:47,873 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 00:29:47,873 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:29:47,874 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:29:47,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:29:47,876 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-23 00:29:47,876 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-11-23 00:29:47,876 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-11-23 00:29:47,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:29:47,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-23 00:29:47,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:29:47,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:29:47,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:47,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:29:47,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:47,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:29:47,883 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-23 00:29:47,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:29:47,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:29:47,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:47,884 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 00:29:47,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:47,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:29:47,888 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-23 00:29:47,888 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:29:47,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:29:47,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:47,888 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 00:29:47,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:29:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:29:47,925 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:29:47,925 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:29:47,925 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:29:47,925 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:29:47,925 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 00:29:47,925 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:47,925 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:29:47,925 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:29:47,925 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-23 00:29:47,926 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:29:47,926 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:29:47,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:29:47,986 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:29:47,986 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:47,989 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:29:47,989 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:29:48,026 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 00:29:48,026 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:30:03,774 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 00:30:03,782 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:30:03,782 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:30:03,782 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:30:03,782 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:30:03,783 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 00:30:03,783 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:30:03,783 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:30:03,783 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:30:03,783 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-23 00:30:03,783 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:30:03,783 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:30:03,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:30:03,858 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:30:03,859 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 00:30:03,859 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:03,859 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:03,860 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:03,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:03,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:03,860 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:30:03,860 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:30:03,861 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:03,865 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:03,865 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 00:30:03,865 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 [2018-11-23 00:30:03,865 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:03,866 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:03,866 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:03,866 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:03,866 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:30:03,866 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:30:03,867 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:03,869 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:03,869 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 00:30:03,869 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 [2018-11-23 00:30:03,870 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:03,870 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:03,870 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:03,870 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:03,870 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:03,871 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:30:03,871 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:03,873 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:03,874 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 00:30:03,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:03,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:03,874 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:03,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:03,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:03,875 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:30:03,875 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:30:03,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:03,878 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:03,878 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 00:30:03,879 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:03,879 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:03,879 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:30:03,879 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:03,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:03,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:03,880 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:30:03,881 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:30:03,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:03,889 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:03,889 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 00:30:03,890 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:03,890 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:03,890 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 00:30:03,891 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:03,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:03,891 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:03,891 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:03,892 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:30:03,892 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:03,903 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:03,903 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 00:30:03,903 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:03,904 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:03,904 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:30:03,904 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:03,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:03,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:03,905 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:30:03,907 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:30:03,907 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:03,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:03,927 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 00:30:03,927 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:03,928 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:03,928 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:30:03,928 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:03,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:03,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:03,930 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:03,931 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:30:03,931 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:03,936 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:03,936 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 00:30:03,936 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 [2018-11-23 00:30:03,937 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:03,937 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:30:03,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:03,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:03,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:03,937 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 00:30:03,939 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:30:03,939 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:03,949 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:03,978 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:30:03,978 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:30:03,978 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:30:03,978 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:30:03,978 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 00:30:03,978 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:30:03,978 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:30:03,978 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:30:03,978 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-23 00:30:03,979 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:30:03,979 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:30:03,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:30:03,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:30:03,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:30:04,057 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:30:04,057 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:30:04,060 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:30:04,060 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a00f38f6-e9cc-4f62-83b9-9247d65675cb/bin-2019/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:30:04,095 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 00:30:04,095 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:30:18,332 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 00:30:18,340 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:30:18,340 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:30:18,340 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:30:18,340 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:30:18,340 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 00:30:18,340 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:30:18,341 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:30:18,341 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:30:18,341 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-23 00:30:18,341 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:30:18,341 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:30:18,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:30:18,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:30:18,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:30:18,426 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:30:18,426 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 00:30:18,426 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,426 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,427 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:30:18,429 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:30:18,429 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:30:18,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,438 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,439 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,439 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,439 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:30:18,439 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:30:18,440 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,441 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,441 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,441 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:30:18,441 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:30:18,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,442 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,442 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 00:30:18,442 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,442 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,443 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,443 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,443 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:30:18,444 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 00:30:18,444 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 00:30:18,456 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,456 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,457 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,457 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,457 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,457 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,457 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:30:18,458 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:30:18,458 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,458 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,458 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,459 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,459 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,459 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:30:18,459 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:30:18,460 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,460 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,460 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 00:30:18,460 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,461 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,461 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,461 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,461 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:18,463 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 00:30:18,463 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 00:30:18,478 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,478 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,478 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,479 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,479 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,479 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:18,479 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:30:18,479 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,480 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,480 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,480 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,480 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,481 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:18,481 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:30:18,481 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,481 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,482 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 00:30:18,482 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,482 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,482 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,482 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,483 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:30:18,485 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 00:30:18,485 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 00:30:18,505 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,505 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,506 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,506 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,506 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:30:18,506 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:30:18,507 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,507 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,507 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,508 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:30:18,508 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,508 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,508 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,508 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:30:18,508 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:30:18,509 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,509 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,509 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 00:30:18,509 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,510 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,510 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:30:18,510 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,510 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,510 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:30:18,512 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 00:30:18,512 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 00:30:18,538 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,538 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,539 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,539 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:30:18,539 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,539 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,539 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,539 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:30:18,540 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:30:18,540 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,540 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,541 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,541 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,541 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:30:18,541 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,541 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,541 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,542 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 00:30:18,542 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 00:30:18,542 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,542 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,543 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 00:30:18,543 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,543 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,543 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 00:30:18,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,544 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,544 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:18,546 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 00:30:18,546 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 00:30:18,599 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,599 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,600 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,600 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 00:30:18,600 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,600 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,600 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,600 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:18,601 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:30:18,601 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,602 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,602 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,603 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 00:30:18,603 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,603 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:18,604 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:30:18,604 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,605 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 00:30:18,605 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,605 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,605 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:30:18,606 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,606 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,606 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:30:18,610 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 00:30:18,610 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 00:30:18,771 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,772 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,772 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,772 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:30:18,772 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,774 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:30:18,775 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:30:18,775 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,776 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,776 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,776 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,776 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:30:18,776 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,777 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,777 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 00:30:18,777 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 00:30:18,777 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,778 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,778 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 00:30:18,778 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,778 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,779 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:30:18,779 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,779 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:18,780 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 00:30:18,781 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 00:30:18,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,815 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,815 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:30:18,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,816 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:18,816 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:30:18,816 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,817 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,817 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 [2018-11-23 00:30:18,817 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,817 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 00:30:18,817 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,818 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,818 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 00:30:18,818 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:30:18,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,819 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,819 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 00:30:18,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,821 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,821 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:30:18,821 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,821 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,821 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 00:30:18,824 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 00:30:18,824 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 00:30:18,926 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,926 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,927 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,927 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:30:18,927 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,927 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,927 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,927 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 00:30:18,928 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:30:18,928 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,929 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,929 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:30:18,930 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 00:30:18,930 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 00:30:18,930 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:30:18,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:30:18,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:30:18,930 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 00:30:18,930 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:30:18,930 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:30:18,932 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:30:18,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:30:18 BoogieIcfgContainer [2018-11-23 00:30:18,937 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 00:30:18,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:30:18,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:30:18,937 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:30:18,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:19" (3/4) ... [2018-11-23 00:30:18,941 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 00:30:18,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:30:18,941 INFO L168 Benchmark]: Toolchain (without parser) took 59992.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.8 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -222.3 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:30:18,942 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:30:18,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.07 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:30:18,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.31 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:30:18,944 INFO L168 Benchmark]: Boogie Preprocessor took 12.26 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 940.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:30:18,944 INFO L168 Benchmark]: RCFGBuilder took 162.82 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -279.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:30:18,944 INFO L168 Benchmark]: BuchiAutomizer took 59652.92 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 50.9 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.9 MB). Peak memory consumption was 500.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:30:18,945 INFO L168 Benchmark]: Witness Printer took 3.74 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:30:18,948 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.07 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.31 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.26 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 940.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 162.82 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -279.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 59652.92 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 50.9 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.9 MB). Peak memory consumption was 500.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.74 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 59.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 59.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div644 bol100 ite100 ukn100 eq141 hnf42 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 106ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 30.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" Loop: "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...