./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/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_3-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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 [2019-11-15 22:55:34,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:55:34,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:55:34,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:55:34,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:55:34,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:55:34,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:55:34,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:55:34,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:55:34,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:55:34,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:55:34,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:55:34,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:55:34,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:55:34,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:55:34,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:55:34,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:55:34,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:55:34,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:55:34,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:55:34,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:55:34,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:55:34,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:55:34,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:55:34,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:55:34,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:55:34,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:55:34,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:55:34,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:55:34,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:55:34,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:55:34,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:55:34,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:55:34,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:55:34,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:55:34,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:55:34,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:55:34,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:55:34,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:55:34,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:55:34,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:55:34,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:55:34,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:55:34,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:55:34,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:55:34,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:55:34,654 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:55:34,654 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:55:34,654 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:55:34,654 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:55:34,655 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:55:34,655 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:55:34,655 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:55:34,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:55:34,656 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:55:34,656 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:55:34,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:55:34,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:55:34,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:55:34,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:55:34,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:55:34,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:55:34,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:55:34,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:55:34,658 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:55:34,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:55:34,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:55:34,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:55:34,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:55:34,659 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:55:34,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:55:34,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:55:34,660 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:55:34,661 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:55:34,661 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/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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 [2019-11-15 22:55:34,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:55:34,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:55:34,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:55:34,699 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:55:34,700 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:55:34,700 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-11-15 22:55:34,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/data/02da962f5/0f9f16044f754b7186b334463ec8aebe/FLAG94140935d [2019-11-15 22:55:35,156 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:55:35,157 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-11-15 22:55:35,164 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/data/02da962f5/0f9f16044f754b7186b334463ec8aebe/FLAG94140935d [2019-11-15 22:55:35,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/data/02da962f5/0f9f16044f754b7186b334463ec8aebe [2019-11-15 22:55:35,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:55:35,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:55:35,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:55:35,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:55:35,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:55:35,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6136fe7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35, skipping insertion in model container [2019-11-15 22:55:35,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,195 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:55:35,209 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:55:35,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:55:35,404 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:55:35,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:55:35,427 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:55:35,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35 WrapperNode [2019-11-15 22:55:35,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:55:35,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:55:35,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:55:35,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:55:35,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:55:35,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:55:35,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:55:35,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:55:35,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (1/1) ... [2019-11-15 22:55:35,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:55:35,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:55:35,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:55:35,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:55:35,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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 [2019-11-15 22:55:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:55:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:55:35,682 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:55:35,683 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 22:55:35,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:55:35 BoogieIcfgContainer [2019-11-15 22:55:35,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:55:35,684 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:55:35,685 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:55:35,688 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:55:35,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:55:35,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:55:35" (1/3) ... [2019-11-15 22:55:35,689 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19f3e899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:55:35, skipping insertion in model container [2019-11-15 22:55:35,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:55:35,690 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:55:35" (2/3) ... [2019-11-15 22:55:35,690 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19f3e899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:55:35, skipping insertion in model container [2019-11-15 22:55:35,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:55:35,690 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:55:35" (3/3) ... [2019-11-15 22:55:35,694 INFO L371 chiAutomizerObserver]: Analyzing ICFG simple_3-2.c [2019-11-15 22:55:35,739 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:55:35,739 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:55:35,739 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:55:35,740 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:55:35,740 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:55:35,740 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:55:35,740 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:55:35,740 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:55:35,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-15 22:55:35,770 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 22:55:35,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:55:35,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:55:35,776 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 22:55:35,776 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 22:55:35,777 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:55:35,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-15 22:55:35,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 22:55:35,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:55:35,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:55:35,778 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 22:55:35,778 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 22:55:35,785 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L15-2true [2019-11-15 22:55:35,785 INFO L793 eck$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 [2019-11-15 22:55:35,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:55:35,791 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-15 22:55:35,800 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:55:35,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278871836] [2019-11-15 22:55:35,800 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:35,801 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:35,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:55:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:35,875 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:55:35,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:55:35,876 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-15 22:55:35,876 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:55:35,876 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922489889] [2019-11-15 22:55:35,876 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:35,877 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:35,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:55:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:35,893 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:55:35,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:55:35,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-15 22:55:35,894 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:55:35,895 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376029303] [2019-11-15 22:55:35,895 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:35,895 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:35,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:55:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:35,910 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:55:35,970 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:55:35,971 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:55:35,971 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:55:35,971 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:55:35,972 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:55:35,972 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:35,972 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:55:35,972 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:55:35,972 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Loop [2019-11-15 22:55:35,972 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:55:35,973 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:55:35,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:36,162 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:55:36,163 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:36,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:55:36,170 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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 [2019-11-15 22:55:36,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:55:36,184 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 22:55:37,584 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:55:37,586 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:55:37,586 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:55:37,586 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:55:37,586 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:55:37,586 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:55:37,586 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:37,586 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:55:37,587 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:55:37,587 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Loop [2019-11-15 22:55:37,587 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:55:37,587 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:55:37,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:37,700 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:55:37,704 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:55:37,706 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 [2019-11-15 22:55:37,707 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:37,708 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:37,708 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:37,709 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:37,713 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:55:37,718 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:55:37,718 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:37,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:37,753 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 22:55:37,754 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 [2019-11-15 22:55:37,756 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:37,759 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:37,759 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:37,759 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:37,760 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:37,764 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:37,764 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:37,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:37,804 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 22:55:37,805 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 [2019-11-15 22:55:37,806 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:37,807 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:37,807 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:37,807 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:37,808 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:37,810 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:37,812 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:37,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:37,842 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 22:55:37,851 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 [2019-11-15 22:55:37,853 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:37,853 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:37,853 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:37,854 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:37,854 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:37,856 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:37,858 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:37,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:37,892 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 22:55:37,892 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 [2019-11-15 22:55:37,893 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:37,894 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:37,894 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:37,894 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:37,894 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:37,894 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:37,898 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:37,898 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:37,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:37,996 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 22:55:37,997 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 [2019-11-15 22:55:38,000 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:38,001 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:55:38,001 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,001 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,001 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,001 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:38,010 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:38,011 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,124 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 22:55:38,125 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 [2019-11-15 22:55:38,127 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:38,127 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:38,127 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,127 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,128 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,128 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:38,136 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:38,136 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,253 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 22:55:38,254 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 [2019-11-15 22:55:38,255 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:38,255 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:38,255 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,256 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,256 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,257 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:38,263 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:38,263 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,288 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,288 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 22:55:38,289 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 [2019-11-15 22:55:38,290 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:38,290 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:38,290 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,291 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,291 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,291 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:55:38,296 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:55:38,296 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,339 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:55:38,339 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:55:38,340 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:55:38,340 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:55:38,340 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:55:38,340 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:38,340 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:55:38,340 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:55:38,340 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Lasso [2019-11-15 22:55:38,340 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:55:38,341 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:55:38,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:38,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:38,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:38,452 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:55:38,452 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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 [2019-11-15 22:55:38,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:55:38,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 22:55:38,462 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:55:38,463 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/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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) [2019-11-15 22:55:38,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:55:38,478 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:38,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:55:38,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 22:55:38,592 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:55:38,593 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:55:38,594 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:55:38,594 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:55:38,594 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:55:38,594 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:55:38,594 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:38,594 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:55:38,594 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:55:38,594 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Lasso [2019-11-15 22:55:38,594 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:55:38,595 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:55:38,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:38,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:38,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:38,730 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:55:38,730 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:55:38,730 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 [2019-11-15 22:55:38,731 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,731 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,731 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,731 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:55:38,733 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:55:38,734 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:55:38,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,751 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 [2019-11-15 22:55:38,752 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,752 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,752 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,752 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,752 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:55:38,753 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:55:38,753 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,754 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 [2019-11-15 22:55:38,755 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,755 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,755 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,755 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,756 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:55:38,758 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:55:38,758 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,760 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 22:55:38,761 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 [2019-11-15 22:55:38,761 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,762 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,762 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,762 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:38,768 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 22:55:38,768 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 22:55:38,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,788 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 [2019-11-15 22:55:38,788 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,789 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,789 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,789 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,789 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:38,790 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:38,790 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,791 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 [2019-11-15 22:55:38,791 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,792 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,792 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,792 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,792 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:38,793 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:38,793 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,793 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 22:55:38,795 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 [2019-11-15 22:55:38,796 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,797 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,797 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,797 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:38,808 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 22:55:38,809 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 22:55:38,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,837 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 [2019-11-15 22:55:38,837 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,838 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,838 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,838 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,838 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:38,839 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:38,839 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,840 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 [2019-11-15 22:55:38,841 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,841 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,842 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,842 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,842 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:38,843 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:38,843 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,843 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 22:55:38,844 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 [2019-11-15 22:55:38,845 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,845 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,846 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,846 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:38,849 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 22:55:38,850 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 22:55:38,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,898 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 [2019-11-15 22:55:38,898 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,899 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,899 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,899 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,899 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:38,900 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:38,900 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,901 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 [2019-11-15 22:55:38,902 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:38,902 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,902 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,902 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,902 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:38,903 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:38,904 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,905 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 22:55:38,906 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 [2019-11-15 22:55:38,907 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:38,907 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:38,907 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,908 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,908 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:38,911 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 22:55:38,911 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 22:55:38,980 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,980 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 [2019-11-15 22:55:38,981 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:38,981 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:38,981 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,983 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,983 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,984 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:38,984 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:38,985 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,986 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 [2019-11-15 22:55:38,987 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:38,987 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:38,987 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:38,988 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,988 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,988 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:38,989 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:38,989 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:38,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:38,990 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 22:55:38,990 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 [2019-11-15 22:55:38,991 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:38,991 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:55:38,992 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:38,992 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:38,992 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:39,001 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 22:55:39,002 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 22:55:39,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,076 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 [2019-11-15 22:55:39,077 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,077 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:55:39,078 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:39,078 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,078 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,079 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:39,079 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:39,079 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:39,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,082 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 [2019-11-15 22:55:39,083 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,083 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:55:39,083 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:39,083 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,083 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,084 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:39,084 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:39,084 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:39,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,086 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 22:55:39,087 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 [2019-11-15 22:55:39,088 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,089 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:39,089 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,089 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,090 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:39,095 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 22:55:39,095 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 22:55:39,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,341 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 [2019-11-15 22:55:39,342 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,342 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:39,342 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:39,342 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,342 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,343 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:39,344 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:39,344 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:39,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,345 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 [2019-11-15 22:55:39,346 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,346 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:39,347 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:39,347 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,347 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,347 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:39,348 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:39,348 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:39,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,349 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 22:55:39,350 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 [2019-11-15 22:55:39,351 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,351 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:39,352 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,352 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,352 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:39,355 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 22:55:39,355 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 22:55:39,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,396 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 [2019-11-15 22:55:39,396 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,397 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:39,397 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:39,397 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,397 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,397 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:39,398 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:39,398 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:39,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,399 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 [2019-11-15 22:55:39,400 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,400 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:39,400 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:39,400 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,401 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,401 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:39,401 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:39,401 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:39,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,402 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 22:55:39,403 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 [2019-11-15 22:55:39,403 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,404 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:39,404 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,404 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,404 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:55:39,408 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 22:55:39,408 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 22:55:39,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,476 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 [2019-11-15 22:55:39,477 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,477 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:39,477 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:39,477 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,477 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,478 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:55:39,478 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:55:39,478 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:39,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,480 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 [2019-11-15 22:55:39,481 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:39,481 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:39,481 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:39,481 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:39,481 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:39,482 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:55:39,482 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:55:39,482 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:39,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:39,484 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-15 22:55:39,484 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L15-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 8#L15-2true [2019-11-15 22:55:39,485 INFO L793 eck$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 [2019-11-15 22:55:39,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:55:39,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-11-15 22:55:39,485 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:55:39,486 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055724702] [2019-11-15 22:55:39,486 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:39,486 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:39,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:55:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:39,502 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:55:39,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:55:39,503 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-11-15 22:55:39,503 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:55:39,503 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530689377] [2019-11-15 22:55:39,503 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:39,503 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:39,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:55:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:39,512 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:55:39,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:55:39,514 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-11-15 22:55:39,514 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:55:39,514 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123232538] [2019-11-15 22:55:39,514 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:39,514 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:55:39,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:55:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:55:39,531 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:55:39,543 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:55:39,543 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:55:39,543 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:55:39,543 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:55:39,543 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:55:39,544 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:39,544 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:55:39,544 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:55:39,544 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Loop [2019-11-15 22:55:39,544 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:55:39,544 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:55:39,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:39,629 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:55:39,629 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:39,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:55:39,642 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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) [2019-11-15 22:55:39,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:55:39,663 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 [2019-11-15 22:55:40,050 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:55:40,052 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:55:40,052 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:55:40,052 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:55:40,052 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:55:40,052 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:55:40,052 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:40,052 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:55:40,052 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:55:40,052 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Loop [2019-11-15 22:55:40,052 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:55:40,053 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:55:40,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:40,148 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:55:40,148 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:55:40,148 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 [2019-11-15 22:55:40,149 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:40,149 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:40,149 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:40,149 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:40,149 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:55:40,150 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:55:40,150 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:40,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:40,153 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 22:55:40,153 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 [2019-11-15 22:55:40,153 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:40,153 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:40,154 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:40,154 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:40,154 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:40,154 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:40,155 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:40,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:40,162 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 22:55:40,162 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 [2019-11-15 22:55:40,163 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:40,163 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:40,163 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:40,163 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:40,163 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:40,164 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:40,164 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:40,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:40,168 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 22:55:40,168 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 [2019-11-15 22:55:40,169 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:40,169 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:40,169 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:40,170 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:40,170 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:40,171 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:40,171 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:40,175 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:40,175 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 22:55:40,176 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 [2019-11-15 22:55:40,177 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:40,177 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:40,177 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:40,177 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:40,177 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:40,178 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:40,179 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:40,179 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:40,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:40,190 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 22:55:40,190 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 [2019-11-15 22:55:40,191 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:40,191 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:55:40,191 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:40,191 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:40,192 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:40,192 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:40,193 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:40,193 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:40,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:40,218 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 22:55:40,218 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 [2019-11-15 22:55:40,219 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:40,219 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:40,220 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:40,220 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:40,220 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:40,220 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:40,223 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:40,223 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:40,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:40,261 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 22:55:40,262 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 [2019-11-15 22:55:40,263 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:40,263 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:40,263 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:40,264 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:40,264 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:40,264 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:40,265 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:40,265 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:40,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:40,275 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 22:55:40,275 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 [2019-11-15 22:55:40,277 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:40,277 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:40,277 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:40,277 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:40,277 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:40,278 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:55:40,279 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:55:40,279 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:40,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:40,318 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:55:40,318 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:55:40,318 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:55:40,318 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:55:40,318 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:55:40,318 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:40,319 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:55:40,319 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:55:40,319 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Lasso [2019-11-15 22:55:40,319 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:55:40,319 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:55:40,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:40,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:40,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:40,456 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:55:40,456 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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) [2019-11-15 22:55:40,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:55:40,469 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:40,474 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:55:40,474 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/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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) [2019-11-15 22:55:40,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:55:40,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 22:55:40,484 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:55:40,484 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: [] Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:40,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:55:40,499 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1233148f-2aac-404f-b8f6-e13cda8c4e50/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) [2019-11-15 22:55:40,521 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:55:40,522 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:41,014 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:55:41,016 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:55:41,016 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:55:41,016 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:55:41,016 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:55:41,016 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:55:41,016 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:55:41,017 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:55:41,017 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:55:41,017 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_3-2.c_Iteration1_Lasso [2019-11-15 22:55:41,017 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:55:41,017 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:55:41,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:41,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:41,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:55:41,134 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:55:41,134 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:55:41,134 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 [2019-11-15 22:55:41,135 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,135 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,135 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,135 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,135 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:55:41,135 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:55:41,135 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,136 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 [2019-11-15 22:55:41,136 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,136 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,136 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,136 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:55:41,137 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:55:41,137 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:55:41,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,144 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 [2019-11-15 22:55:41,145 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,145 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,145 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,145 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,145 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:55:41,146 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:55:41,146 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,146 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 22:55:41,146 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 [2019-11-15 22:55:41,147 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,147 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,147 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,147 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,148 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:41,148 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:41,148 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,149 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 [2019-11-15 22:55:41,149 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,149 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,150 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,150 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:41,151 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 22:55:41,151 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 22:55:41,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,163 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 [2019-11-15 22:55:41,164 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,164 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,164 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,164 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,165 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:41,165 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:41,165 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,166 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 22:55:41,166 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 [2019-11-15 22:55:41,166 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,167 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,167 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,167 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,167 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:41,167 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:41,168 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,168 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 [2019-11-15 22:55:41,169 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,169 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,169 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,169 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:41,171 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 22:55:41,171 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 22:55:41,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,189 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 [2019-11-15 22:55:41,190 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,190 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,190 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,190 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,190 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:41,191 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:41,191 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,192 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 22:55:41,192 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 [2019-11-15 22:55:41,192 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,193 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,193 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,193 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,193 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:41,193 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:41,194 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,194 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 [2019-11-15 22:55:41,195 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,195 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,195 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,195 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:41,198 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 22:55:41,198 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 22:55:41,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,222 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 [2019-11-15 22:55:41,222 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:55:41,222 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,222 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,223 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,223 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:41,223 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:41,223 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,223 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 22:55:41,224 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 [2019-11-15 22:55:41,224 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,224 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:41,224 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,224 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,225 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,225 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:41,233 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:41,233 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,234 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 [2019-11-15 22:55:41,235 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,235 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:41,235 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,235 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,235 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:41,237 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 22:55:41,237 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 22:55:41,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,272 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 [2019-11-15 22:55:41,273 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,273 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:41,273 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,273 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,273 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,273 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:55:41,274 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:55:41,274 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,274 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 22:55:41,275 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 [2019-11-15 22:55:41,276 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,276 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:55:41,276 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,277 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,277 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,277 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:41,277 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:41,278 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,279 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 [2019-11-15 22:55:41,279 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,279 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:55:41,280 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,280 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,280 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:41,282 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 22:55:41,282 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 22:55:41,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,444 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 [2019-11-15 22:55:41,445 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,445 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 22:55:41,445 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,445 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,446 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,446 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:41,446 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:41,446 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,447 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 22:55:41,448 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 [2019-11-15 22:55:41,448 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,448 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:41,448 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,449 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,449 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,449 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:41,450 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:41,450 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,451 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 [2019-11-15 22:55:41,451 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,452 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:41,452 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,452 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,452 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:41,456 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 22:55:41,456 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 22:55:41,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,690 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 [2019-11-15 22:55:41,690 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,691 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:41,691 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,691 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,691 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,691 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 22:55:41,692 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 22:55:41,692 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,693 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 22:55:41,693 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 [2019-11-15 22:55:41,694 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,694 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:41,694 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,694 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,694 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,694 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:41,695 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:41,695 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,696 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 [2019-11-15 22:55:41,697 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,697 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:41,697 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,697 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,697 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:41,699 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 22:55:41,700 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 22:55:41,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,754 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 [2019-11-15 22:55:41,755 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,755 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 22:55:41,755 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,755 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,755 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,755 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:55:41,756 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:55:41,756 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,757 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 22:55:41,757 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 [2019-11-15 22:55:41,758 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,758 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:41,758 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,758 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,759 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,759 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:55:41,759 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:55:41,759 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,761 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 [2019-11-15 22:55:41,762 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,762 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:41,762 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,762 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,762 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:55:41,766 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 22:55:41,766 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 22:55:41,958 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,958 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 [2019-11-15 22:55:41,959 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 22:55:41,959 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 22:55:41,959 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:55:41,960 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:55:41,960 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:55:41,960 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 22:55:41,960 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:55:41,961 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:55:41,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:55:41,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:55:41 BoogieIcfgContainer [2019-11-15 22:55:41,967 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:55:41,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:55:41,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:55:41,968 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:55:41,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:55:35" (3/4) ... [2019-11-15 22:55:41,972 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:55:41,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:55:41,974 INFO L168 Benchmark]: Toolchain (without parser) took 6793.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 943.4 MB in the beginning and 904.7 MB in the end (delta: 38.6 MB). Peak memory consumption was 240.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:55:41,975 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:55:41,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:55:41,976 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.33 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. [2019-11-15 22:55:41,976 INFO L168 Benchmark]: Boogie Preprocessor took 17.04 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. [2019-11-15 22:55:41,977 INFO L168 Benchmark]: RCFGBuilder took 209.60 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. [2019-11-15 22:55:41,978 INFO L168 Benchmark]: BuchiAutomizer took 6283.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 904.7 MB in the end (delta: 217.4 MB). Peak memory consumption was 278.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:55:41,978 INFO L168 Benchmark]: Witness Printer took 4.25 ms. Allocated memory is still 1.2 GB. Free memory is still 904.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:55:41,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.33 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 17.04 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 209.60 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 6283.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 904.7 MB in the end (delta: 217.4 MB). Peak memory consumption was 278.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.25 ms. Allocated memory is still 1.2 GB. Free memory is still 904.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 6.1s. 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: 196ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - 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...