./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/functions_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/functions_1-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8f4c21c5481f1b1c15b174aff4c6b7e56f63522 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 19:53:41,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 19:53:41,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 19:53:41,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 19:53:41,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 19:53:41,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 19:53:41,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 19:53:41,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 19:53:41,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 19:53:41,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 19:53:41,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 19:53:41,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 19:53:41,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 19:53:41,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 19:53:41,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 19:53:41,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 19:53:41,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 19:53:41,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 19:53:41,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 19:53:41,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 19:53:41,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 19:53:41,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 19:53:41,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 19:53:41,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 19:53:41,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 19:53:41,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 19:53:41,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 19:53:41,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 19:53:41,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 19:53:41,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 19:53:41,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 19:53:41,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 19:53:41,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 19:53:41,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 19:53:41,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 19:53:41,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 19:53:41,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 19:53:41,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 19:53:41,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 19:53:41,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 19:53:41,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 19:53:41,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 19:53:41,801 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 19:53:41,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 19:53:41,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 19:53:41,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 19:53:41,802 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 19:53:41,803 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 19:53:41,803 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 19:53:41,803 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 19:53:41,803 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 19:53:41,803 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 19:53:41,804 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 19:53:41,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 19:53:41,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 19:53:41,804 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 19:53:41,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 19:53:41,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 19:53:41,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 19:53:41,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 19:53:41,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 19:53:41,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 19:53:41,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 19:53:41,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 19:53:41,806 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 19:53:41,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 19:53:41,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 19:53:41,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 19:53:41,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 19:53:41,807 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 19:53:41,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 19:53:41,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 19:53:41,808 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 19:53:41,808 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 19:53:41,809 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8f4c21c5481f1b1c15b174aff4c6b7e56f63522 [2019-11-15 19:53:41,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 19:53:41,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 19:53:41,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 19:53:41,847 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 19:53:41,848 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 19:53:41,848 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/functions_1-2.c [2019-11-15 19:53:41,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/data/e96f6e5ad/e94586510ab54d628495cba9d6682a49/FLAG86281360e [2019-11-15 19:53:42,236 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 19:53:42,237 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/sv-benchmarks/c/loop-acceleration/functions_1-2.c [2019-11-15 19:53:42,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/data/e96f6e5ad/e94586510ab54d628495cba9d6682a49/FLAG86281360e [2019-11-15 19:53:42,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/data/e96f6e5ad/e94586510ab54d628495cba9d6682a49 [2019-11-15 19:53:42,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 19:53:42,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 19:53:42,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 19:53:42,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 19:53:42,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 19:53:42,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:42,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6a536c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42, skipping insertion in model container [2019-11-15 19:53:42,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:42,670 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 19:53:42,682 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 19:53:42,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 19:53:42,848 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 19:53:42,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 19:53:42,968 INFO L192 MainTranslator]: Completed translation [2019-11-15 19:53:42,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42 WrapperNode [2019-11-15 19:53:42,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 19:53:42,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 19:53:42,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 19:53:42,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 19:53:42,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:42,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:42,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 19:53:42,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 19:53:42,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 19:53:42,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 19:53:43,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:43,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:43,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:43,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:43,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:43,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:43,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (1/1) ... [2019-11-15 19:53:43,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 19:53:43,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 19:53:43,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 19:53:43,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 19:53:43,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 19:53:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 19:53:43,230 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 19:53:43,230 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-15 19:53:43,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:53:43 BoogieIcfgContainer [2019-11-15 19:53:43,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 19:53:43,232 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 19:53:43,232 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 19:53:43,235 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 19:53:43,235 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 19:53:43,235 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 07:53:42" (1/3) ... [2019-11-15 19:53:43,236 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12714ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 07:53:43, skipping insertion in model container [2019-11-15 19:53:43,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 19:53:43,237 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:53:42" (2/3) ... [2019-11-15 19:53:43,238 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12714ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 07:53:43, skipping insertion in model container [2019-11-15 19:53:43,238 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 19:53:43,238 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:53:43" (3/3) ... [2019-11-15 19:53:43,239 INFO L371 chiAutomizerObserver]: Analyzing ICFG functions_1-2.c [2019-11-15 19:53:43,282 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 19:53:43,282 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 19:53:43,282 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 19:53:43,282 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 19:53:43,283 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 19:53:43,283 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 19:53:43,283 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 19:53:43,283 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 19:53:43,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-15 19:53:43,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-15 19:53:43,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 19:53:43,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 19:53:43,318 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 19:53:43,318 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 19:53:43,318 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 19:53:43,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-15 19:53:43,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-15 19:53:43,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 19:53:43,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 19:53:43,320 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 19:53:43,320 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 19:53:43,326 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 3#L17-2true [2019-11-15 19:53:43,327 INFO L793 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 6#L11true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 3#L17-2true [2019-11-15 19:53:43,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:53:43,332 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-15 19:53:43,340 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:53:43,340 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864186491] [2019-11-15 19:53:43,340 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:43,340 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:43,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:53:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:43,422 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:53:43,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:53:43,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2019-11-15 19:53:43,424 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:53:43,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635739711] [2019-11-15 19:53:43,424 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:43,425 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:43,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:53:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:43,446 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:53:43,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:53:43,447 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 1 times [2019-11-15 19:53:43,447 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:53:43,448 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752758488] [2019-11-15 19:53:43,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:43,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:43,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:53:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:43,462 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:53:43,513 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:53:43,513 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:53:43,514 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:53:43,514 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:53:43,514 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 19:53:43,514 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:43,514 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:53:43,514 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:53:43,514 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_1-2.c_Iteration1_Loop [2019-11-15 19:53:43,514 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:53:43,515 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:53:43,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:43,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:43,729 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-11-15 19:53:43,778 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:53:43,778 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:43,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:53:43,792 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 19:53:43,800 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 19:53:43,800 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 19:53:43,816 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:53:43,816 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 19:53:43,856 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 19:53:43,856 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:43,882 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 19:53:43,885 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:53:43,885 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:53:43,885 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:53:43,885 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:53:43,885 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 19:53:43,885 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:43,885 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:53:43,885 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:53:43,885 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_1-2.c_Iteration1_Loop [2019-11-15 19:53:43,886 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:53:43,886 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:53:43,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:43,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:44,045 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:53:44,050 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 19:53:44,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,053 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:44,053 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,054 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,054 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,054 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:53:44,057 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:53:44,058 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,082 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:44,082 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,082 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,082 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,083 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:53:44,083 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:53:44,083 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,085 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 19:53:44,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,086 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:44,086 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,086 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,086 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,087 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:44,089 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:44,089 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,115 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:44,115 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,115 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,116 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,116 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:44,116 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:44,117 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,118 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 19:53:44,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,119 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:44,119 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,119 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,120 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,120 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:44,123 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:44,123 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,158 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:44,158 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,158 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,158 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,159 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:44,159 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:44,160 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,163 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 19:53:44,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,164 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:44,164 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,164 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,165 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,165 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:44,168 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:44,168 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,208 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:44,208 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,208 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,208 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,209 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:44,210 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:44,210 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,211 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 19:53:44,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,212 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:44,212 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:44,212 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,213 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,213 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,213 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:44,217 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:44,218 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,310 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:44,310 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:44,310 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,310 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,311 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,311 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:44,312 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:44,312 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,313 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,313 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 19:53:44,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,315 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:44,315 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:53:44,315 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,315 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,315 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,316 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:44,322 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:44,322 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,464 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:44,464 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:53:44,465 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,465 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,465 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,465 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:44,469 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:44,469 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,475 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 19:53:44,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,477 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:44,477 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:44,478 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,479 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,479 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,480 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:44,492 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:44,492 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,674 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:44,677 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:44,678 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,679 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,679 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,679 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:44,682 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:44,682 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,683 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 19:53:44,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,689 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:44,689 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:44,689 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,689 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,690 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,690 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:44,700 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:44,701 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,716 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:44,725 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:44,725 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,726 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,726 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,726 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:44,727 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:44,727 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,729 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 19:53:44,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,731 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:44,731 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:44,732 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,732 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,732 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,732 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:53:44,736 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:53:44,736 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:44,791 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:44,791 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:44,792 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:44,792 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:44,792 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:44,792 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:53:44,794 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:53:44,795 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:44,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:44,812 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:53:44,812 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:53:44,813 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:53:44,813 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:53:44,813 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 19:53:44,813 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:44,813 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:53:44,813 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:53:44,813 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_1-2.c_Iteration1_Lasso [2019-11-15 19:53:44,814 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:53:44,814 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:53:44,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:44,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:44,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:44,977 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:53:44,977 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 19:53:44,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:53:44,988 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 19:53:44,992 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 19:53:44,992 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:45,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:53:45,015 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 19:53:45,019 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 19:53:45,019 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 19:53:45,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:53:45,059 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 19:53:45,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 19:53:45,089 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:45,257 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 19:53:45,259 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:53:45,260 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:53:45,260 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:53:45,260 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:53:45,260 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 19:53:45,260 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:45,260 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:53:45,260 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:53:45,261 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_1-2.c_Iteration1_Lasso [2019-11-15 19:53:45,261 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:53:45,261 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:53:45,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:45,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:45,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:45,422 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:53:45,423 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 19:53:45,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,424 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,424 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,424 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,424 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,424 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:53:45,425 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:53:45,425 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,426 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,426 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,427 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,427 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,427 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:53:45,427 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:53:45,427 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,429 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,429 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,429 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,429 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:53:45,433 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:53:45,433 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 19:53:45,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,445 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 19:53:45,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,446 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,446 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,447 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,447 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,447 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:45,447 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:45,448 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,449 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,449 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,449 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,450 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,450 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:45,450 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:45,450 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,452 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,452 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,452 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,453 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:45,456 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:53:45,456 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:53:45,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,477 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 19:53:45,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,478 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,478 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,478 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,478 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,478 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:45,479 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:45,479 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,481 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,481 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,481 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,481 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,482 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:45,482 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:45,482 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,484 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,484 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,484 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,484 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:45,489 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:53:45,489 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:53:45,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,512 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 19:53:45,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,513 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,513 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,513 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,514 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,514 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:45,514 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:45,514 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,516 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,516 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,516 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,516 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,516 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:45,517 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:45,517 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,518 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:45,518 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,519 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,519 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:45,523 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:53:45,524 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:53:45,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,552 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 19:53:45,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,553 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:45,553 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:45,554 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,554 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,554 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,554 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:45,555 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:45,555 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,556 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:45,556 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:45,557 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,557 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,557 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,557 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:45,558 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:45,558 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,559 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:45,560 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:45,560 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,560 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,560 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:45,564 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:53:45,564 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:53:45,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,648 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 19:53:45,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,655 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:45,655 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:53:45,655 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,655 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,656 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,656 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:45,657 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:45,657 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,659 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:45,660 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:53:45,660 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,660 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,660 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,660 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:45,661 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:45,661 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,665 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:45,665 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:53:45,665 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,666 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,666 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:45,672 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:53:45,672 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:53:45,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,896 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 19:53:45,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,897 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:45,897 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:45,897 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,897 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,898 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,898 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:45,899 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:45,899 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,901 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:45,901 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:45,901 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:45,901 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,902 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,902 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:45,903 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:45,903 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:45,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:45,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:45,905 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:45,905 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:45,905 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:45,905 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:45,906 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:45,913 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:53:45,913 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:53:46,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,177 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 19:53:46,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,178 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:46,178 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:46,178 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,178 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,179 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,179 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:46,179 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:46,179 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,181 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:46,181 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:46,181 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,182 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,182 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,182 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:46,182 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:46,183 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,185 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:46,185 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:46,185 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,185 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,185 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:46,189 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:53:46,189 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:53:46,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,252 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 19:53:46,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,253 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:46,254 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:46,254 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,254 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,254 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,254 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:53:46,255 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:53:46,255 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,257 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:46,257 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:46,258 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,258 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,258 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,258 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:53:46,259 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:53:46,259 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,262 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:46,263 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:46,263 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,263 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,263 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:53:46,270 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 19:53:46,270 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 19:53:46,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,525 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-15 19:53:46,526 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 3#L17-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 6#L11true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 3#L17-2true [2019-11-15 19:53:46,526 INFO L793 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 6#L11true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 3#L17-2true [2019-11-15 19:53:46,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:53:46,528 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 2 times [2019-11-15 19:53:46,529 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:53:46,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115851375] [2019-11-15 19:53:46,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:46,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:46,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:53:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:46,546 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:53:46,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:53:46,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 2 times [2019-11-15 19:53:46,547 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:53:46,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423934345] [2019-11-15 19:53:46,548 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:46,548 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:46,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:53:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:46,558 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:53:46,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:53:46,559 INFO L82 PathProgramCache]: Analyzing trace with hash 29862436, now seen corresponding path program 3 times [2019-11-15 19:53:46,560 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:53:46,560 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609429551] [2019-11-15 19:53:46,560 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:46,560 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:53:46,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:53:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:53:46,573 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:53:46,626 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:53:46,626 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:53:46,626 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:53:46,626 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:53:46,627 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 19:53:46,627 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:46,627 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:53:46,627 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:53:46,627 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_1-2.c_Iteration1_Loop [2019-11-15 19:53:46,627 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:53:46,627 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:53:46,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:46,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:46,761 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:53:46,762 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 19:53:46,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:53:46,775 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 19:53:46,799 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 19:53:46,800 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:46,815 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 19:53:46,817 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:53:46,817 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:53:46,818 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:53:46,818 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:53:46,818 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 19:53:46,818 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:46,818 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:53:46,818 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:53:46,818 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_1-2.c_Iteration1_Loop [2019-11-15 19:53:46,818 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:53:46,818 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:53:46,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:46,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:46,964 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:53:46,964 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 19:53:46,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,965 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:46,965 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,966 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,966 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,966 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:53:46,966 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:53:46,966 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,967 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:46,967 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,967 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,967 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,968 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:53:46,968 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:53:46,968 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,976 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,976 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 19:53:46,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,977 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:46,977 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,977 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,977 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,977 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:46,978 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:46,978 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,979 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:46,979 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,979 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,980 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,980 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:46,981 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:46,981 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,985 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 19:53:46,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,986 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:46,986 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,986 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,987 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,987 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:46,987 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:46,987 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,989 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:46,989 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,989 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,989 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,989 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:46,990 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:46,990 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,995 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 19:53:46,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,996 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:46,996 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,997 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,997 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,997 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:46,997 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:46,997 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:46,998 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:46,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:46,999 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:46,999 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:46,999 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:46,999 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:46,999 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:47,000 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:47,000 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,007 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 19:53:47,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,008 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:47,008 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:47,008 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,008 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,008 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,008 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:47,009 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:47,009 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,011 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:47,011 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:47,011 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,011 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,011 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,011 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:47,013 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:47,013 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,026 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 19:53:47,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,028 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:47,028 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:53:47,028 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,029 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,029 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,029 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:47,030 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:47,030 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,033 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:47,033 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:53:47,033 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,033 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,033 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,034 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:47,036 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:47,036 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,072 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 19:53:47,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,074 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:47,074 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:47,074 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,074 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,074 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,075 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:47,076 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:47,076 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,079 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:47,079 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:47,079 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,080 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,080 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,080 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:47,087 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:47,087 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,198 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 19:53:47,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,199 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:47,199 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:47,200 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,200 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,200 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,200 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:47,201 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:47,201 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,204 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:47,204 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:47,204 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,204 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,204 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,205 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:47,206 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:47,206 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,217 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 19:53:47,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,218 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:47,218 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:47,219 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,219 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,219 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,219 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:53:47,220 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:53:47,220 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,224 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:47,224 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:47,224 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,225 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,225 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,225 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:53:47,228 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:53:47,228 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,297 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:53:47,297 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:53:47,297 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:53:47,297 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:53:47,297 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 19:53:47,297 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:47,297 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:53:47,298 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:53:47,298 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_1-2.c_Iteration1_Lasso [2019-11-15 19:53:47,298 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:53:47,298 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:53:47,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:47,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:47,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:47,504 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:53:47,504 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:47,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:53:47,547 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6bec38-390c-4c63-899e-ebbc1dab4c9d/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 19:53:47,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 19:53:47,575 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:47,791 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 19:53:47,793 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:53:47,793 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:53:47,793 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:53:47,793 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:53:47,793 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 19:53:47,793 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:53:47,794 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:53:47,794 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:53:47,794 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_1-2.c_Iteration1_Lasso [2019-11-15 19:53:47,794 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:53:47,794 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:53:47,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:47,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:47,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 19:53:47,966 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:53:47,966 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 19:53:47,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,967 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:47,967 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,968 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,968 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,968 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:53:47,968 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:53:47,968 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,969 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:47,969 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,969 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,970 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:53:47,971 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:53:47,971 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 19:53:47,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,990 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:47,991 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,991 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,991 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,991 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:53:47,992 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:53:47,992 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,993 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 19:53:47,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,993 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:47,994 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:47,994 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,994 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,994 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:47,994 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:47,995 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:47,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:47,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:47,996 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:47,996 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:47,996 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:47,996 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:47,999 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:53:47,999 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:53:48,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,025 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:48,025 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:48,025 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,025 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,025 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:48,026 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:48,026 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:48,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,026 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 19:53:48,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,027 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:48,027 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:48,028 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,028 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,028 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:48,028 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:48,028 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:48,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,030 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:48,030 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,030 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,030 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:48,034 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:53:48,034 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:53:48,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,100 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:48,101 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:48,101 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,101 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,101 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:48,101 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:48,102 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:48,102 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,102 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 19:53:48,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,104 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:48,104 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:48,104 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,104 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,104 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:48,105 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:48,105 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:48,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,107 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:48,107 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,107 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,107 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:48,111 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:53:48,111 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:53:48,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,174 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:53:48,174 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:48,174 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,174 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,175 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:48,175 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:48,175 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:48,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,176 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 19:53:48,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,177 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:48,177 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:48,177 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:48,177 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,177 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,177 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:48,178 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:48,178 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:48,178 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,180 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:48,180 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:48,180 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,180 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,180 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:48,184 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:53:48,184 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:53:48,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,399 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:48,399 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:48,399 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:48,399 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,399 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,400 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:53:48,400 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:53:48,400 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:48,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,401 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 19:53:48,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,402 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:48,402 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:53:48,402 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:48,403 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,403 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,403 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:48,404 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:48,404 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:48,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,407 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:48,407 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:53:48,407 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,407 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,407 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:48,412 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:53:48,412 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:53:48,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,837 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:48,837 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:53:48,837 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:48,837 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,837 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,838 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:48,847 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:48,855 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:48,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,857 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 19:53:48,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,857 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:48,858 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:48,858 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:48,858 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,858 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,858 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:48,860 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:48,860 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:48,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:48,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:48,863 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:48,863 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:48,863 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:48,863 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:48,864 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:48,871 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:53:48,871 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:53:49,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:49,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:49,808 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:49,808 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:49,808 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:49,809 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:49,809 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:49,809 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:53:49,810 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:53:49,810 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:49,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:49,811 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 19:53:49,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:49,812 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:49,812 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:49,812 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:49,812 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:49,812 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:49,813 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:49,813 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:49,813 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:49,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:49,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:49,815 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:49,815 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:49,815 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:49,816 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:49,816 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:49,820 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:53:49,821 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:53:49,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:49,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:49,935 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:49,935 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:53:49,935 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:49,935 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:49,936 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:49,936 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:53:49,936 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:53:49,936 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:49,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:49,938 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 19:53:49,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:49,939 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:49,939 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:49,939 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:49,939 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:49,939 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:49,939 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:53:49,940 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:53:49,940 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:49,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:49,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:49,942 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:49,943 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:49,943 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:49,943 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:49,943 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:53:49,949 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 19:53:49,949 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 19:53:50,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:50,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:53:50,680 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:53:50,681 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:53:50,681 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:53:50,681 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:53:50,681 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:53:50,681 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:53:50,682 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:53:50,682 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:53:50,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:53:50,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 07:53:50 BoogieIcfgContainer [2019-11-15 19:53:50,690 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 19:53:50,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 19:53:50,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 19:53:50,691 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 19:53:50,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:53:43" (3/4) ... [2019-11-15 19:53:50,694 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 19:53:50,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 19:53:50,696 INFO L168 Benchmark]: Toolchain (without parser) took 8037.83 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 456.7 MB). Free memory was 944.7 MB in the beginning and 1.3 GB in the end (delta: -326.1 MB). Peak memory consumption was 130.5 MB. Max. memory is 11.5 GB. [2019-11-15 19:53:50,697 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:53:50,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 19:53:50,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:53:50,699 INFO L168 Benchmark]: Boogie Preprocessor took 15.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:53:50,700 INFO L168 Benchmark]: RCFGBuilder took 217.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-11-15 19:53:50,705 INFO L168 Benchmark]: BuchiAutomizer took 7458.94 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 310.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -150.7 MB). Peak memory consumption was 477.1 MB. Max. memory is 11.5 GB. [2019-11-15 19:53:50,705 INFO L168 Benchmark]: Witness Printer took 3.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:53:50,710 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 217.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7458.94 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 310.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -150.7 MB). Peak memory consumption was 477.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 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 7.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 7.3s. 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: inital28 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div240 bol100 ite100 ukn100 eq165 hnf61 smp95 dnf100 smp100 tf101 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 737ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0;" "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...