./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:43:08,110 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:43:08,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:43:08,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:43:08,118 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:43:08,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:43:08,119 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:43:08,120 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:43:08,121 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:43:08,121 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:43:08,122 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:43:08,122 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:43:08,123 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:43:08,124 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:43:08,125 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:43:08,125 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:43:08,126 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:43:08,127 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:43:08,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:43:08,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:43:08,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:43:08,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:43:08,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:43:08,132 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:43:08,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:43:08,133 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:43:08,134 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:43:08,134 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:43:08,135 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:43:08,135 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:43:08,135 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:43:08,136 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:43:08,136 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:43:08,136 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:43:08,137 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:43:08,137 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:43:08,137 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-10 09:43:08,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:43:08,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:43:08,149 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:43:08,149 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:43:08,149 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 09:43:08,149 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 09:43:08,149 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 09:43:08,149 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 09:43:08,150 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 09:43:08,150 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 09:43:08,150 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 09:43:08,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:43:08,150 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 09:43:08,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:43:08,150 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:43:08,150 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 09:43:08,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 09:43:08,151 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 09:43:08,151 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:43:08,151 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 09:43:08,151 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 09:43:08,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:43:08,151 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:43:08,152 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 09:43:08,152 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:43:08,152 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 09:43:08,152 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 09:43:08,153 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 09:43:08,153 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2018-11-10 09:43:08,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:43:08,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:43:08,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:43:08,189 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:43:08,189 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:43:08,190 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-10 09:43:08,236 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/data/a364dd8aa/6821b59f281a4618b8799e81f9298dd8/FLAG25e3e5b2c [2018-11-10 09:43:08,558 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:43:08,558 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-10 09:43:08,563 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/data/a364dd8aa/6821b59f281a4618b8799e81f9298dd8/FLAG25e3e5b2c [2018-11-10 09:43:08,573 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/data/a364dd8aa/6821b59f281a4618b8799e81f9298dd8 [2018-11-10 09:43:08,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:43:08,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:43:08,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:43:08,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:43:08,579 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:43:08,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08, skipping insertion in model container [2018-11-10 09:43:08,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:43:08,601 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:43:08,699 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:43:08,701 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:43:08,710 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:43:08,718 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:43:08,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08 WrapperNode [2018-11-10 09:43:08,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:43:08,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:43:08,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:43:08,719 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:43:08,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:43:08,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:43:08,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:43:08,741 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:43:08,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (1/1) ... [2018-11-10 09:43:08,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:43:08,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:43:08,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:43:08,752 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:43:08,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:08,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:43:08,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:43:08,925 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:43:08,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:43:08 BoogieIcfgContainer [2018-11-10 09:43:08,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:43:08,927 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 09:43:08,927 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 09:43:08,930 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 09:43:08,930 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 09:43:08,931 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 09:43:08" (1/3) ... [2018-11-10 09:43:08,931 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@680d0c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 09:43:08, skipping insertion in model container [2018-11-10 09:43:08,931 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 09:43:08,932 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:08" (2/3) ... [2018-11-10 09:43:08,932 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@680d0c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 09:43:08, skipping insertion in model container [2018-11-10 09:43:08,932 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 09:43:08,932 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:43:08" (3/3) ... [2018-11-10 09:43:08,933 INFO L375 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2018-11-10 09:43:08,969 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 09:43:08,969 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 09:43:08,969 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 09:43:08,969 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 09:43:08,969 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 09:43:08,969 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 09:43:08,970 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 09:43:08,970 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 09:43:08,970 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 09:43:08,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-10 09:43:08,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 09:43:08,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 09:43:08,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 09:43:08,998 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 09:43:08,998 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 09:43:08,998 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 09:43:08,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-10 09:43:08,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 09:43:08,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 09:43:08,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 09:43:09,000 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 09:43:09,000 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 09:43:09,005 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 6#L14-3true [2018-11-10 09:43:09,005 INFO L795 eck$LassoCheckResult]: Loop: 6#L14-3true assume true; 9#L14-1true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if main_~y~0 + 1 < 0 && (main_~y~0 + 1) % 2 != 0 then (main_~y~0 + 1) / 2 + 1 else (main_~y~0 + 1) / 2); 6#L14-3true [2018-11-10 09:43:09,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:43:09,009 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 09:43:09,010 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:43:09,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:43:09,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:09,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:43:09,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:09,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:43:09,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-10 09:43:09,068 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:43:09,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:43:09,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:09,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:43:09,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:09,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:43:09,084 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-10 09:43:09,084 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:43:09,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:43:09,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:09,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:43:09,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:09,140 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 09:43:09,141 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 09:43:09,142 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 09:43:09,142 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 09:43:09,142 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 09:43:09,142 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:09,142 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 09:43:09,142 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 09:43:09,143 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-10 09:43:09,143 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 09:43:09,143 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 09:43:09,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:09,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:09,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:09,367 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-11-10 09:43:09,501 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-11-10 09:43:09,506 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 09:43:09,506 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:09,520 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 09:43:09,520 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 09:43:09,525 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 09:43:09,525 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:09,543 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 09:43:09,543 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:09,573 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 09:43:09,573 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 09:43:09,638 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 09:43:09,639 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 09:43:09,639 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 09:43:09,639 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 09:43:09,639 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 09:43:09,639 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 09:43:09,639 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:09,640 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 09:43:09,640 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 09:43:09,640 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-10 09:43:09,640 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 09:43:09,640 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 09:43:09,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:09,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:09,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:09,915 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-11-10 09:43:09,916 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 09:43:09,921 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 09:43:09,924 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:09,925 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:09,925 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:09,926 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:09,926 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:09,926 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:43:09,928 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:43:09,928 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:09,930 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:09,930 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:09,931 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:09,931 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:09,932 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:09,932 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:09,932 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:43:09,932 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:43:09,932 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:09,933 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:09,934 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:09,934 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:09,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:09,935 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:09,935 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:43:09,954 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-11-10 09:43:09,955 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 09:43:10,099 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,100 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 09:43:10,100 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,101 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:10,101 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,101 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,101 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,101 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:10,102 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 09:43:10,102 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,103 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,103 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,104 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:10,104 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,104 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,104 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:10,105 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 09:43:10,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,105 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,106 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:10,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,106 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:10,107 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:10,122 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-10 09:43:10,122 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-10 09:43:10,209 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,209 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 09:43:10,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,210 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:10,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,211 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:10,212 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:10,212 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,212 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,213 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,213 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:10,213 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,213 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,213 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,214 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:10,214 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:10,214 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,214 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,215 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,215 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:10,215 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,216 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:10,216 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:10,229 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-10 09:43:10,230 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-10 09:43:10,320 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,321 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 09:43:10,321 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:10,322 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,322 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:10,322 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 09:43:10,322 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,323 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:10,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,325 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:10,325 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 09:43:10,325 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,326 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,326 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,326 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:10,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,327 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:10,327 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:10,343 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-10 09:43:10,344 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-10 09:43:10,443 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,443 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 09:43:10,443 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,444 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:10,444 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:10,444 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,445 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:10,445 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 09:43:10,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,446 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,446 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,447 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:10,447 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:10,447 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,447 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,447 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,447 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:10,448 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 09:43:10,448 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,448 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,449 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,449 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:10,449 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:10,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,450 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:10,450 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:10,460 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-10 09:43:10,460 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-10 09:43:10,585 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,585 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 09:43:10,586 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,586 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:10,586 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 09:43:10,586 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,587 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,587 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,587 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:10,587 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:10,588 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,588 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,589 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,589 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:10,589 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 09:43:10,589 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,590 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,590 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:10,590 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:10,590 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,591 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,592 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,592 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:10,592 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 09:43:10,592 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,592 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:10,592 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:10,607 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-10 09:43:10,607 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-10 09:43:10,833 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,834 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 09:43:10,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,835 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:10,835 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:10,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,835 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:10,836 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 09:43:10,836 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,837 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,837 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,838 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:10,838 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:10,838 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:10,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,838 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:10,838 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:10,839 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 09:43:10,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:10,840 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:10,840 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:10,841 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:10,841 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:10,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:10,841 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:10,841 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:10,861 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-10 09:43:10,861 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-10 09:43:11,195 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:11,195 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 09:43:11,196 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:11,196 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:11,196 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:11,197 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:11,197 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:11,197 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:11,197 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:11,197 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:11,198 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:11,199 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:11,199 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:11,200 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:11,200 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:11,200 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:11,200 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:11,200 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:11,200 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:11,201 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:11,201 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:11,202 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:11,202 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:11,202 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:11,202 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:11,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:11,203 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:11,203 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:11,214 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-10 09:43:11,214 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-10 09:43:11,327 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:11,327 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 09:43:11,327 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:11,328 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:11,328 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:11,328 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:11,328 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:11,328 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:11,328 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 09:43:11,329 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:43:11,329 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:11,330 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:11,330 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:11,331 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:11,331 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:11,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:11,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:11,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:11,331 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 09:43:11,332 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:43:11,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:11,333 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:11,334 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:11,334 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:11,334 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:11,334 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:11,334 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:11,334 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 09:43:11,349 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-11-10 09:43:11,349 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-11-10 09:43:11,525 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:11,525 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-10 09:43:11,525 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 6#L14-3true assume true; 9#L14-1true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if main_~y~0 + 1 < 0 && (main_~y~0 + 1) % 2 != 0 then (main_~y~0 + 1) / 2 + 1 else (main_~y~0 + 1) / 2); 6#L14-3true [2018-11-10 09:43:11,526 INFO L795 eck$LassoCheckResult]: Loop: 6#L14-3true assume true; 9#L14-1true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if main_~y~0 + 1 < 0 && (main_~y~0 + 1) % 2 != 0 then (main_~y~0 + 1) / 2 + 1 else (main_~y~0 + 1) / 2); 6#L14-3true [2018-11-10 09:43:11,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:43:11,526 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-10 09:43:11,526 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:43:11,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:43:11,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:11,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:43:11,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:11,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:43:11,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-10 09:43:11,532 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:43:11,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:43:11,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:11,533 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 09:43:11,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:11,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:43:11,537 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-10 09:43:11,537 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:43:11,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:43:11,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:11,538 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 09:43:11,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:43:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:43:11,606 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 09:43:11,607 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 09:43:11,607 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 09:43:11,607 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 09:43:11,607 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 09:43:11,607 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:11,607 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 09:43:11,607 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 09:43:11,607 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-10 09:43:11,607 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 09:43:11,607 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 09:43:11,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:11,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:11,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:11,837 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-11-10 09:43:11,838 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 09:43:11,838 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:11,842 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 09:43:11,842 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 09:43:11,844 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 09:43:11,844 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:11,864 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 09:43:11,864 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 09:43:11,866 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 09:43:11,867 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:11,885 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 09:43:11,885 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de820c89-a33d-489b-a99d-9af3821ca361/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:11,924 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 09:43:11,924 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 09:43:12,048 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 09:43:12,050 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 09:43:12,050 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 09:43:12,050 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 09:43:12,050 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 09:43:12,050 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 09:43:12,050 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:43:12,050 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 09:43:12,050 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 09:43:12,051 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-10 09:43:12,051 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 09:43:12,051 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 09:43:12,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:12,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:12,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:43:12,221 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 09:43:12,221 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 09:43:12,221 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,222 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,222 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,222 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,222 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,222 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:43:12,223 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:43:12,223 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,223 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,223 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,224 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,224 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,224 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,224 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,224 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:43:12,224 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 09:43:12,224 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,225 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,225 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,225 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,225 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,225 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:12,225 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:43:12,230 INFO L402 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2018-11-10 09:43:12,230 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 09:43:12,244 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,244 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 09:43:12,245 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,245 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,245 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,245 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,245 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,245 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:12,246 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 09:43:12,246 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,246 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,246 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,247 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,247 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,247 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,247 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,247 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:12,247 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 09:43:12,247 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,248 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,248 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,248 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,248 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:12,248 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:12,253 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-10 09:43:12,253 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-10 09:43:12,307 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,307 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 09:43:12,307 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,307 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,307 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,308 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,308 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,308 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:12,308 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:12,308 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,308 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,309 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,309 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,309 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,309 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,309 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,309 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:12,310 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:12,310 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,310 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,310 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,311 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,311 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,311 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:12,311 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:12,319 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-10 09:43:12,320 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-10 09:43:12,475 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,475 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 09:43:12,476 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,476 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,476 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,477 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,477 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:12,477 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 09:43:12,477 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,477 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,478 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,478 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,478 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:12,479 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 09:43:12,479 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,481 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,482 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,482 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:43:12,482 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,482 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:12,483 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:12,491 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-10 09:43:12,491 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-10 09:43:12,530 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,530 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 09:43:12,530 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,531 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,531 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:12,531 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,531 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,531 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,531 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:12,531 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 09:43:12,531 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,532 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,532 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,532 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,533 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:12,533 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,533 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,533 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,533 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:12,533 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 09:43:12,533 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,534 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,534 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,534 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,534 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:12,534 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,534 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:12,535 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 09:43:12,541 INFO L402 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2018-11-10 09:43:12,541 INFO L403 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2018-11-10 09:43:12,576 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,576 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 09:43:12,576 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,577 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,577 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 09:43:12,577 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,577 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:12,578 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:12,578 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,579 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,579 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,579 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,579 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 09:43:12,579 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,580 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,580 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:12,580 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:12,580 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,581 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,581 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,581 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 09:43:12,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,582 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:12,582 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:12,589 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-10 09:43:12,589 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-10 09:43:12,664 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,664 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 09:43:12,664 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,665 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,665 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:12,665 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,665 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,665 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,665 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:12,666 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 09:43:12,666 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,666 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,666 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,667 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,667 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:12,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,667 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:12,668 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 09:43:12,668 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,668 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,669 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,669 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,669 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:12,669 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,669 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:12,670 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 09:43:12,681 INFO L402 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2018-11-10 09:43:12,681 INFO L403 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2018-11-10 09:43:12,730 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,731 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 09:43:12,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,731 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,731 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:12,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,732 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:12,732 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:12,732 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,733 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,733 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,733 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,734 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:12,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,734 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:12,734 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 09:43:12,734 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,735 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,735 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,736 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,736 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 09:43:12,736 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,736 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:12,736 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 09:43:12,742 INFO L402 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2018-11-10 09:43:12,742 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-10 09:43:12,851 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,851 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 09:43:12,852 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,852 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,852 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:12,852 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,853 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 09:43:12,853 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:43:12,853 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,854 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,855 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,855 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,855 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:12,855 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:43:12,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 09:43:12,855 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 09:43:12,856 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 09:43:12,856 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:43:12,857 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:12,857 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:43:12,858 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 09:43:12,858 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 09:43:12,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:43:12,858 INFO L206 nArgumentSynthesizer]: 3 loop disjuncts [2018-11-10 09:43:12,858 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 09:43:12,868 INFO L402 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2018-11-10 09:43:12,868 INFO L403 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2018-11-10 09:43:13,336 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 09:43:13,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 09:43:13 BoogieIcfgContainer [2018-11-10 09:43:13,341 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 09:43:13,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:43:13,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:43:13,341 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:43:13,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:43:08" (3/4) ... [2018-11-10 09:43:13,344 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 09:43:13,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:43:13,345 INFO L168 Benchmark]: Toolchain (without parser) took 4769.15 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 401.1 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -71.9 MB). Peak memory consumption was 329.2 MB. Max. memory is 11.5 GB. [2018-11-10 09:43:13,346 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:43:13,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.64 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:43:13,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.50 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:43:13,347 INFO L168 Benchmark]: Boogie Preprocessor took 11.16 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:43:13,347 INFO L168 Benchmark]: RCFGBuilder took 174.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:43:13,348 INFO L168 Benchmark]: BuchiAutomizer took 4413.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.0 MB). Peak memory consumption was 375.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:43:13,348 INFO L168 Benchmark]: Witness Printer took 3.60 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:43:13,351 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 141.64 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.50 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.16 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 174.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4413.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.0 MB). Peak memory consumption was 375.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.60 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div268 bol100 ite111 ukn100 eq134 hnf57 smp87 dnf214 smp81 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 479ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume true;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if main_~y~0 + 1 < 0 && (main_~y~0 + 1) % 2 != 0 then (main_~y~0 + 1) / 2 + 1 else (main_~y~0 + 1) / 2);" Loop: "assume true;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if main_~y~0 + 1 < 0 && (main_~y~0 + 1) % 2 != 0 then (main_~y~0 + 1) / 2 + 1 else (main_~y~0 + 1) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...