./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_3-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_3-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/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 92de3ce9156ddf83a60df0cbd59fea0aeff14b3b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:07,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:07,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:07,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:07,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:07,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:07,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:07,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:07,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:07,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:07,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:07,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:07,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:07,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:07,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:07,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:07,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:07,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:07,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:07,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:07,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:07,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:07,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:07,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:07,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:07,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:07,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:07,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:07,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:07,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:07,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:07,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:07,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:07,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:07,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:07,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:07,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:07,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:07,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:07,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:07,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:07,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:00:07,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:07,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:07,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:07,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:07,569 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:07,569 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:00:07,569 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:00:07,569 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:00:07,570 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:00:07,570 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:00:07,570 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:00:07,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:07,571 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:07,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:07,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:07,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:07,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:07,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:00:07,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:00:07,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:00:07,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:07,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:07,572 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:00:07,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:07,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:00:07,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:07,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:07,573 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:00:07,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:07,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:07,574 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:00:07,576 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:00:07,578 INFO L138 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_fafd0137-3179-42ea-9dac-f459228f291f/bin/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 -> 92de3ce9156ddf83a60df0cbd59fea0aeff14b3b [2019-10-22 09:00:07,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:07,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:07,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:07,641 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:07,642 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:07,643 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-10-22 09:00:07,694 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/data/f922733fe/98c2b2146727417883842ecee696c057/FLAG971f38047 [2019-10-22 09:00:08,058 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:08,058 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-10-22 09:00:08,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/data/f922733fe/98c2b2146727417883842ecee696c057/FLAG971f38047 [2019-10-22 09:00:08,077 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/data/f922733fe/98c2b2146727417883842ecee696c057 [2019-10-22 09:00:08,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:08,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:08,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:08,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:08,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:08,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3692950b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08, skipping insertion in model container [2019-10-22 09:00:08,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,095 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:08,108 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:08,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:08,244 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:08,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:08,322 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:08,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08 WrapperNode [2019-10-22 09:00:08,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:08,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:08,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:08,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:08,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:08,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:08,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:08,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:08,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (1/1) ... [2019-10-22 09:00:08,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:08,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:08,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:08,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:08,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/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 [2019-10-22 09:00:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:08,532 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:08,532 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:00:08,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:08 BoogieIcfgContainer [2019-10-22 09:00:08,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:08,534 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:00:08,534 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:00:08,537 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:00:08,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:08,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:00:08" (1/3) ... [2019-10-22 09:00:08,539 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bfd6840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:08, skipping insertion in model container [2019-10-22 09:00:08,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:08,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:08" (2/3) ... [2019-10-22 09:00:08,539 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bfd6840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:08, skipping insertion in model container [2019-10-22 09:00:08,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:08,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:08" (3/3) ... [2019-10-22 09:00:08,541 INFO L371 chiAutomizerObserver]: Analyzing ICFG simple_3-2.c [2019-10-22 09:00:08,578 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:00:08,578 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:00:08,579 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:00:08,579 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:08,579 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:08,579 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:00:08,579 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:08,579 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:00:08,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 09:00:08,605 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 09:00:08,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:08,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:08,610 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 09:00:08,610 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 09:00:08,610 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:00:08,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 09:00:08,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 09:00:08,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:08,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:08,611 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 09:00:08,612 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 09:00:08,616 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L15-2true [2019-10-22 09:00:08,616 INFO L793 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 8#L15-2true [2019-10-22 09:00:08,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:08,620 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 09:00:08,625 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:08,626 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75095519] [2019-10-22 09:00:08,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:08,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:08,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:08,699 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:08,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:08,700 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-10-22 09:00:08,701 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:08,701 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093998907] [2019-10-22 09:00:08,701 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:08,701 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:08,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:08,716 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:08,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:08,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-10-22 09:00:08,721 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:08,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412229764] [2019-10-22 09:00:08,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:08,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:08,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:08,741 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:08,881 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-10-22 09:00:08,906 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:00:08,907 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:00:08,907 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:00:08,907 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:00:08,907 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:00:08,907 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:08,907 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:00:08,907 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:00:08,908 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Loop [2019-10-22 09:00:08,908 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:00:08,908 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:00:08,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:09,082 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:00:09,083 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:00:09,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:00:09,096 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/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 [2019-10-22 09:00:09,112 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:00:09,112 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:00:10,225 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:00:10,227 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:00:10,227 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:00:10,227 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:00:10,227 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:00:10,227 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:00:10,227 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:10,227 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:00:10,228 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:00:10,228 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Loop [2019-10-22 09:00:10,228 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:00:10,228 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:00:10,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:10,317 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:00:10,322 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:00:10,324 INFO L120 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 [2019-10-22 09:00:10,325 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:10,325 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:10,326 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:10,326 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:10,326 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:10,329 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:10,329 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:10,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:10,345 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 09:00:10,345 INFO L120 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 [2019-10-22 09:00:10,346 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:10,346 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:10,347 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:10,347 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:10,347 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:10,349 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:10,349 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:10,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:10,368 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 09:00:10,368 INFO L120 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 [2019-10-22 09:00:10,369 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:10,369 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:10,370 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:10,370 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:10,370 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:10,376 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:10,376 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:10,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:10,416 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 09:00:10,417 INFO L120 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 [2019-10-22 09:00:10,418 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:10,418 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:10,426 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:10,427 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:10,427 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:10,429 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:10,429 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:10,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:10,471 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 09:00:10,472 INFO L120 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 [2019-10-22 09:00:10,473 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:10,473 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:10,473 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:10,474 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:10,474 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:10,474 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:10,477 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:10,477 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:10,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:10,546 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 09:00:10,546 INFO L120 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 [2019-10-22 09:00:10,549 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:10,549 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:00:10,549 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:10,550 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:10,550 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:10,550 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:10,561 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:10,561 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:10,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:10,689 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 09:00:10,690 INFO L120 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 [2019-10-22 09:00:10,703 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:10,704 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:10,704 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:10,704 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:10,704 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:10,704 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:10,711 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:10,711 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:10,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:10,776 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 09:00:10,776 INFO L120 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 [2019-10-22 09:00:10,778 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:10,778 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:10,778 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:10,778 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:10,778 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:10,779 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:10,780 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:10,781 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:10,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:10,795 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 09:00:10,795 INFO L120 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 [2019-10-22 09:00:10,796 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:10,796 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:10,797 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:10,797 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:10,797 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:10,797 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:00:10,800 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:00:10,801 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:10,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:10,838 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:00:10,838 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:00:10,839 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:00:10,839 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:00:10,839 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:00:10,839 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:10,839 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:00:10,839 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:00:10,839 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Lasso [2019-10-22 09:00:10,839 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:00:10,840 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:00:10,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:10,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:10,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:10,946 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:00:10,947 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/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 [2019-10-22 09:00:10,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:00:10,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:00:10,960 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:00:10,961 INFO L440 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_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:00:10,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:00:10,971 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:00:10,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:00:10,987 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:11,065 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:00:11,068 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:00:11,068 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:00:11,068 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:00:11,068 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:00:11,068 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:00:11,068 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:11,068 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:00:11,068 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:00:11,069 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Lasso [2019-10-22 09:00:11,069 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:00:11,069 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:00:11,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:11,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:11,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:11,188 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:00:11,188 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:00:11,189 INFO L120 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 [2019-10-22 09:00:11,189 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,190 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,190 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,190 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:11,193 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:00:11,193 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:00:11,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,221 INFO L120 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 [2019-10-22 09:00:11,223 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,223 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,223 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,224 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,224 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:11,224 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:11,225 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,226 INFO L120 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 [2019-10-22 09:00:11,228 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,229 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,229 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,229 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,236 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:11,236 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:11,236 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,237 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 09:00:11,237 INFO L120 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 [2019-10-22 09:00:11,238 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,238 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,238 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,238 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:11,241 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 09:00:11,242 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 09:00:11,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,274 INFO L120 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 [2019-10-22 09:00:11,275 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,275 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,275 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,275 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,275 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:11,276 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:11,276 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,277 INFO L120 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 [2019-10-22 09:00:11,278 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,278 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,279 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,279 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,280 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:11,280 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:11,280 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,281 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 09:00:11,282 INFO L120 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 [2019-10-22 09:00:11,282 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,283 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,283 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,283 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:11,291 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 09:00:11,291 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 09:00:11,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,328 INFO L120 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 [2019-10-22 09:00:11,329 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,330 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,330 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,331 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,331 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:11,331 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:11,332 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,333 INFO L120 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 [2019-10-22 09:00:11,333 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,334 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,334 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,334 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,334 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:11,335 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:11,335 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,335 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 09:00:11,336 INFO L120 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 [2019-10-22 09:00:11,337 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,338 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,338 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,339 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:11,342 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 09:00:11,344 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 09:00:11,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,377 INFO L120 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 [2019-10-22 09:00:11,379 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,380 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,381 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,381 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,381 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:11,382 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:11,382 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,383 INFO L120 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 [2019-10-22 09:00:11,383 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:11,384 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,384 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,384 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,384 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:11,385 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:11,385 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,386 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 09:00:11,387 INFO L120 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 [2019-10-22 09:00:11,388 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,388 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:11,389 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,389 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,389 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:11,392 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 09:00:11,393 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 09:00:11,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,445 INFO L120 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 [2019-10-22 09:00:11,446 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,446 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:11,447 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,447 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,447 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,447 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:11,448 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:11,448 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,449 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,456 INFO L120 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 [2019-10-22 09:00:11,457 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,463 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:11,463 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,463 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,463 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,463 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:11,464 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:11,464 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,465 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 09:00:11,466 INFO L120 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 [2019-10-22 09:00:11,467 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,467 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:00:11,467 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,468 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,468 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:11,473 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 09:00:11,473 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 09:00:11,559 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,560 INFO L120 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 [2019-10-22 09:00:11,561 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,561 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:00:11,561 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,562 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,562 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,562 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:11,565 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:11,565 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,568 INFO L120 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 [2019-10-22 09:00:11,569 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,569 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:00:11,569 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,570 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,570 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,570 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:11,571 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:11,571 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,573 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 09:00:11,573 INFO L120 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 [2019-10-22 09:00:11,574 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,575 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:11,575 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,575 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,575 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:11,587 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 09:00:11,588 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 09:00:11,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,850 INFO L120 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 [2019-10-22 09:00:11,852 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,852 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:11,853 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,853 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,853 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,853 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:11,854 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:11,854 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,856 INFO L120 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 [2019-10-22 09:00:11,857 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,857 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:11,857 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,857 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,857 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,857 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:11,860 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:11,860 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,861 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 09:00:11,862 INFO L120 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 [2019-10-22 09:00:11,862 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,862 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:11,863 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,863 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,863 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:11,866 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 09:00:11,870 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 09:00:11,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,933 INFO L120 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 [2019-10-22 09:00:11,934 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,935 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:11,935 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,935 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,935 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,935 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:11,936 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:11,936 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,938 INFO L120 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 [2019-10-22 09:00:11,938 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,938 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:11,939 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:11,939 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,939 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,939 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:11,940 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:11,940 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:11,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:11,941 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 09:00:11,941 INFO L120 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 [2019-10-22 09:00:11,942 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:11,944 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:11,944 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:11,944 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:11,945 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:00:11,949 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 09:00:11,949 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 09:00:12,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:12,071 INFO L120 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 [2019-10-22 09:00:12,072 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:12,072 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:12,072 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:12,073 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:12,073 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:12,073 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:00:12,073 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:00:12,074 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:12,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:12,077 INFO L120 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 [2019-10-22 09:00:12,077 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:12,078 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:12,078 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:12,078 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:12,081 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:12,081 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:00:12,082 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:00:12,082 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:12,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:12,084 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-10-22 09:00:12,084 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L15-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 8#L15-2true [2019-10-22 09:00:12,085 INFO L793 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 8#L15-2true [2019-10-22 09:00:12,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:12,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-10-22 09:00:12,085 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:12,086 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729997480] [2019-10-22 09:00:12,086 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,086 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:12,101 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:12,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:12,101 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-10-22 09:00:12,102 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:12,102 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730232863] [2019-10-22 09:00:12,102 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,102 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:12,117 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:12,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:12,120 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-10-22 09:00:12,120 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:12,120 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051770637] [2019-10-22 09:00:12,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,121 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:12,140 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:12,158 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:00:12,158 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:00:12,158 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:00:12,158 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:00:12,159 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:00:12,159 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:12,159 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:00:12,159 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:00:12,159 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Loop [2019-10-22 09:00:12,159 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:00:12,159 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:00:12,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:12,256 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:00:12,256 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:00:12,263 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:00:12,263 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:00:12,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:00:12,287 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:12,717 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:00:12,720 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:00:12,720 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:00:12,721 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:00:12,721 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:00:12,721 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:00:12,721 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:12,721 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:00:12,721 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:00:12,721 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Loop [2019-10-22 09:00:12,721 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:00:12,722 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:00:12,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:12,819 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:00:12,819 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:00:12,820 INFO L120 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 [2019-10-22 09:00:12,820 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:12,820 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:12,821 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:12,821 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:12,821 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:12,821 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:12,821 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:12,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:12,830 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 09:00:12,830 INFO L120 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 [2019-10-22 09:00:12,831 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:12,831 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:12,831 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:12,831 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:12,831 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:12,832 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:12,832 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:12,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:12,836 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 09:00:12,837 INFO L120 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 [2019-10-22 09:00:12,838 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:12,839 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:12,839 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:12,839 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:12,839 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:12,840 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:12,840 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:12,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:12,845 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 09:00:12,845 INFO L120 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 [2019-10-22 09:00:12,846 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:12,846 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:12,846 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:12,846 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:12,847 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:12,848 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:12,848 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:12,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:12,854 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 09:00:12,855 INFO L120 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 [2019-10-22 09:00:12,856 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:12,856 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:12,856 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:12,856 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:12,856 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:12,856 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:12,858 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:12,863 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:12,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:12,881 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 09:00:12,882 INFO L120 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 [2019-10-22 09:00:12,882 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:12,882 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:00:12,883 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:12,883 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:12,883 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:12,883 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:12,885 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:12,886 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:12,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:12,925 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 09:00:12,926 INFO L120 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 [2019-10-22 09:00:12,927 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:12,927 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:12,927 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:12,928 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:12,928 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:12,929 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:12,932 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:12,934 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:13,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:13,003 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 09:00:13,003 INFO L120 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 [2019-10-22 09:00:13,005 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:13,006 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:13,007 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:13,007 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:13,007 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:13,007 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:13,008 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:13,009 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:13,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:13,021 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 09:00:13,021 INFO L120 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 [2019-10-22 09:00:13,022 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:13,024 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:13,025 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:13,025 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:13,025 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:13,025 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:00:13,027 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:00:13,028 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:13,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:13,068 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:00:13,069 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:00:13,069 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:00:13,069 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:00:13,069 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:00:13,069 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:13,069 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:00:13,069 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:00:13,070 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Lasso [2019-10-22 09:00:13,070 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:00:13,070 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:00:13,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:13,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:13,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:13,217 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:00:13,218 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/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 [2019-10-22 09:00:13,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:00:13,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:00:13,231 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:00:13,231 INFO L440 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_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:00:13,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:00:13,242 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:13,246 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:00:13,247 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:00:13,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:00:13,255 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fafd0137-3179-42ea-9dac-f459228f291f/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:13,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:00:13,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:00:13,833 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:00:13,836 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:00:13,837 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:00:13,837 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:00:13,837 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:00:13,837 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:00:13,837 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:13,837 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:00:13,837 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:00:13,837 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Lasso [2019-10-22 09:00:13,837 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:00:13,838 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:00:13,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:13,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:13,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:13,992 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:00:13,992 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:00:13,993 INFO L120 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 [2019-10-22 09:00:13,993 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:13,993 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:13,994 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:13,994 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:13,994 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:13,994 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:13,994 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:13,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:13,995 INFO L120 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 [2019-10-22 09:00:13,996 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:13,996 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:13,996 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:13,996 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:13,998 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:00:13,998 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:00:14,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,016 INFO L120 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 [2019-10-22 09:00:14,017 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:14,017 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,017 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,017 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,017 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:14,018 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:14,019 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,020 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 09:00:14,021 INFO L120 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 [2019-10-22 09:00:14,023 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:14,023 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,024 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,024 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,024 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:14,024 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:14,025 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,025 INFO L120 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 [2019-10-22 09:00:14,026 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:14,026 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,026 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,027 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:14,029 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 09:00:14,029 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 09:00:14,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,050 INFO L120 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 [2019-10-22 09:00:14,050 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:14,050 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,051 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,051 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,051 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:14,052 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:14,052 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,053 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 09:00:14,053 INFO L120 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 [2019-10-22 09:00:14,054 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:14,054 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,054 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,054 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,054 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:14,055 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:14,055 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,056 INFO L120 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 [2019-10-22 09:00:14,057 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:14,057 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,058 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,058 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:14,061 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 09:00:14,061 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 09:00:14,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,090 INFO L120 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 [2019-10-22 09:00:14,091 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:14,091 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,092 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,092 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,092 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:14,092 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:14,092 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,093 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-10-22 09:00:14,094 INFO L120 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 [2019-10-22 09:00:14,096 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:14,096 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,097 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,097 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,097 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:14,097 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:14,097 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,098 INFO L120 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 [2019-10-22 09:00:14,099 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:14,099 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,100 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,100 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:14,104 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 09:00:14,105 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 09:00:14,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,145 INFO L120 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 [2019-10-22 09:00:14,146 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:14,146 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,147 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,147 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,147 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:14,148 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:14,149 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,150 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-10-22 09:00:14,150 INFO L120 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 [2019-10-22 09:00:14,152 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,152 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:14,152 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,153 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,153 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,153 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:14,153 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:14,154 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,155 INFO L120 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 [2019-10-22 09:00:14,155 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,155 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:14,155 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,156 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,156 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:14,159 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 09:00:14,161 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 09:00:14,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,216 INFO L120 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 [2019-10-22 09:00:14,217 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,217 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:14,217 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,217 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,218 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,218 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:00:14,218 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:00:14,218 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,219 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-10-22 09:00:14,219 INFO L120 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 [2019-10-22 09:00:14,221 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,222 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:00:14,222 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,222 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,222 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,222 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:14,223 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:14,223 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,225 INFO L120 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 [2019-10-22 09:00:14,225 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,225 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:00:14,226 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,226 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,226 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:14,263 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 09:00:14,263 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 09:00:14,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,398 INFO L120 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 [2019-10-22 09:00:14,399 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,399 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-10-22 09:00:14,399 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,399 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,399 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,399 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:14,400 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:14,400 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,401 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-10-22 09:00:14,402 INFO L120 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 [2019-10-22 09:00:14,402 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,402 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:14,402 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,402 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,402 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,403 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:14,404 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:14,404 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,404 INFO L120 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 [2019-10-22 09:00:14,405 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,405 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:14,405 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,405 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,405 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:14,410 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-10-22 09:00:14,410 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-10-22 09:00:14,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,684 INFO L120 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 [2019-10-22 09:00:14,685 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,685 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:14,685 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,685 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,685 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,685 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-10-22 09:00:14,686 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-10-22 09:00:14,687 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,687 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-10-22 09:00:14,687 INFO L120 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 [2019-10-22 09:00:14,688 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,688 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:14,688 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,688 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,688 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,688 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:14,689 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:14,689 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,690 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,690 INFO L120 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 [2019-10-22 09:00:14,691 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,691 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:14,691 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,691 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,691 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:14,694 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 09:00:14,694 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 09:00:14,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,757 INFO L120 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 [2019-10-22 09:00:14,758 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,758 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-10-22 09:00:14,758 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,758 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,758 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,758 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:00:14,759 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:14,759 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,760 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-10-22 09:00:14,760 INFO L120 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 [2019-10-22 09:00:14,761 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,761 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:14,761 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,761 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,761 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,761 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:00:14,762 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:00:14,762 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,764 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,764 INFO L120 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 [2019-10-22 09:00:14,765 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,765 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:14,765 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,765 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,765 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:00:14,769 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-10-22 09:00:14,769 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-10-22 09:00:14,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,966 INFO L120 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 [2019-10-22 09:00:14,967 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-10-22 09:00:14,967 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-10-22 09:00:14,967 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:14,968 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:14,968 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:14,968 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-10-22 09:00:14,968 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:00:14,968 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:14,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:14,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:00:14 BoogieIcfgContainer [2019-10-22 09:00:14,975 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:00:14,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:14,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:14,976 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:14,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:08" (3/4) ... [2019-10-22 09:00:14,985 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:00:14,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:14,987 INFO L168 Benchmark]: Toolchain (without parser) took 6905.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 948.5 MB in the beginning and 882.6 MB in the end (delta: 66.0 MB). Peak memory consumption was 265.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:14,987 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:14,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:14,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:14,989 INFO L168 Benchmark]: Boogie Preprocessor took 17.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:14,989 INFO L168 Benchmark]: RCFGBuilder took 168.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:14,989 INFO L168 Benchmark]: BuchiAutomizer took 6441.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 883.9 MB in the end (delta: 236.3 MB). Peak memory consumption was 297.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:14,990 INFO L168 Benchmark]: Witness Printer took 9.80 ms. Allocated memory is still 1.2 GB. Free memory was 883.9 MB in the beginning and 882.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:14,992 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 168.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6441.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 883.9 MB in the end (delta: 236.3 MB). Peak memory consumption was 297.2 MB. Max. memory is 11.5 GB. * Witness Printer took 9.80 ms. Allocated memory is still 1.2 GB. Free memory was 883.9 MB in the beginning and 882.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. 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 6.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 6.3s. 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 div616 bol100 ite100 ukn100 eq143 hnf43 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 201ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s - 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...