./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Collatz.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/Collatz.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 873a06533d36987711ab5e2c177066aa117a2df5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:28:40,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:28:40,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:28:40,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:28:40,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:28:40,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:28:40,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:28:40,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:28:40,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:28:40,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:28:40,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:28:40,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:28:40,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:28:40,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:28:40,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:28:40,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:28:40,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:28:40,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:28:40,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:28:40,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:28:40,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:28:40,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:28:40,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:28:40,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:28:40,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:28:40,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:28:40,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:28:40,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:28:40,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:28:40,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:28:40,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:28:40,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:28:40,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:28:40,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:28:40,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:28:40,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:28:40,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:28:40,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:28:40,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:28:40,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:28:40,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:28:40,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:28:40,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:28:40,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:28:40,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:28:40,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:28:40,210 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:28:40,211 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:28:40,211 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:28:40,211 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:28:40,211 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:28:40,212 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:28:40,213 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:28:40,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:28:40,214 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:28:40,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:28:40,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:28:40,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:28:40,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:28:40,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:28:40,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:28:40,216 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:28:40,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:28:40,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:28:40,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:28:40,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:28:40,217 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:28:40,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:28:40,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:28:40,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:28:40,218 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:28:40,219 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:28:40,220 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 873a06533d36987711ab5e2c177066aa117a2df5 [2019-11-28 20:28:40,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:28:40,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:28:40,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:28:40,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:28:40,548 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:28:40,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Collatz.c [2019-11-28 20:28:40,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a52f0669/ccb76da18f76487fab17b1bd21fb7ef7/FLAGdadced8fb [2019-11-28 20:28:41,077 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:28:41,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Collatz.c [2019-11-28 20:28:41,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a52f0669/ccb76da18f76487fab17b1bd21fb7ef7/FLAGdadced8fb [2019-11-28 20:28:41,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a52f0669/ccb76da18f76487fab17b1bd21fb7ef7 [2019-11-28 20:28:41,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:28:41,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:28:41,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:28:41,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:28:41,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:28:41,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49525f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41, skipping insertion in model container [2019-11-28 20:28:41,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:28:41,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:28:41,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:28:41,731 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:28:41,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:28:41,771 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:28:41,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41 WrapperNode [2019-11-28 20:28:41,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:28:41,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:28:41,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:28:41,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:28:41,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:28:41,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:28:41,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:28:41,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:28:41,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (1/1) ... [2019-11-28 20:28:41,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:28:41,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:28:41,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:28:41,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:28:41,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 20:28:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:28:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:28:42,153 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:28:42,153 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 20:28:42,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:28:42 BoogieIcfgContainer [2019-11-28 20:28:42,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:28:42,155 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:28:42,155 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:28:42,158 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:28:42,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:28:42,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:28:41" (1/3) ... [2019-11-28 20:28:42,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cb5a9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:28:42, skipping insertion in model container [2019-11-28 20:28:42,161 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:28:42,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:41" (2/3) ... [2019-11-28 20:28:42,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cb5a9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:28:42, skipping insertion in model container [2019-11-28 20:28:42,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:28:42,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:28:42" (3/3) ... [2019-11-28 20:28:42,164 INFO L371 chiAutomizerObserver]: Analyzing ICFG Collatz.c [2019-11-28 20:28:42,209 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:28:42,209 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:28:42,209 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:28:42,209 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:28:42,209 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:28:42,210 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:28:42,210 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:28:42,210 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:28:42,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-28 20:28:42,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:42,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:42,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:42,253 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:28:42,253 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:28:42,253 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:28:42,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-28 20:28:42,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:42,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:42,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:42,256 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:28:42,256 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:28:42,265 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L14-2true [2019-11-28 20:28:42,266 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~y~0 > 1); 8#L14true assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 5#L14-2true [2019-11-28 20:28:42,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:42,273 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 20:28:42,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:42,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927710729] [2019-11-28 20:28:42,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:42,381 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:42,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:42,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-11-28 20:28:42,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:42,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892307475] [2019-11-28 20:28:42,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:42,423 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:42,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:42,425 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-11-28 20:28:42,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:42,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131426405] [2019-11-28 20:28:42,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:42,448 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:42,570 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:42,571 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:42,571 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:42,571 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:42,571 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:42,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:42,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:42,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:42,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration1_Loop [2019-11-28 20:28:42,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:42,573 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:42,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:42,781 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 17 [2019-11-28 20:28:42,808 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:42,810 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:42,818 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:42,818 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:42,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:42,837 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 [2019-11-28 20:28:42,872 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:42,874 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:42,874 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:42,874 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:42,874 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:42,875 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:42,875 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:42,875 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:42,875 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:42,876 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration1_Loop [2019-11-28 20:28:42,876 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:42,876 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:42,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:42,988 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:42,994 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:43,000 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 [2019-11-28 20:28:43,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:43,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:43,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:43,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:43,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:43,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:43,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:43,013 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:43,022 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:43,022 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:43,031 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:43,031 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:43,032 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:43,033 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-28 20:28:43,039 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:28:43,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:43,075 WARN L262 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:43,076 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:43,088 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:43,089 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:43,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:43,124 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:28:43,125 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-11-28 20:28:43,178 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 8 states. [2019-11-28 20:28:43,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:43,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-28 20:28:43,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-28 20:28:43,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:43,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 20:28:43,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:43,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-28 20:28:43,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:43,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2019-11-28 20:28:43,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:43,193 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-11-28 20:28:43,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-28 20:28:43,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-28 20:28:43,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-11-28 20:28:43,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:43,197 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 20:28:43,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-11-28 20:28:43,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-28 20:28:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 20:28:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-28 20:28:43,227 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 20:28:43,228 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 20:28:43,228 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:28:43,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-11-28 20:28:43,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:43,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:43,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:43,230 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:28:43,230 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:28:43,230 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 68#L14-2 assume !!(main_~y~0 > 1); 73#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 69#L14-2 [2019-11-28 20:28:43,230 INFO L796 eck$LassoCheckResult]: Loop: 69#L14-2 assume !!(main_~y~0 > 1); 70#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 69#L14-2 [2019-11-28 20:28:43,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:43,231 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2019-11-28 20:28:43,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:43,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668093986] [2019-11-28 20:28:43,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:43,269 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:43,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:43,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2019-11-28 20:28:43,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:43,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483716726] [2019-11-28 20:28:43,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:43,304 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:43,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:43,306 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2019-11-28 20:28:43,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:43,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306756245] [2019-11-28 20:28:43,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:43,339 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:43,369 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:43,369 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:43,369 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:43,369 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:43,370 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:43,370 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:43,370 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:43,370 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:43,370 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration2_Loop [2019-11-28 20:28:43,370 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:43,371 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:43,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:43,468 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:43,468 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 20:28:43,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:43,475 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:43,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:43,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:43,522 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:43,525 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:43,525 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:43,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:43,525 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:43,526 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:43,526 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:43,526 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:43,526 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:43,526 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration2_Loop [2019-11-28 20:28:43,526 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:43,527 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:43,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:43,631 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:43,631 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:43,645 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 [2019-11-28 20:28:43,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:43,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:43,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:43,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:43,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:43,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:43,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:43,654 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:43,674 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:43,675 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:43,690 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:43,691 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:43,691 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:43,691 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-28 20:28:43,695 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:28:43,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:43,721 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:43,722 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:43,728 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:43,728 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:43,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:43,741 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:28:43,741 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 20:28:43,756 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 11 states and 16 transitions. Complement of second has 5 states. [2019-11-28 20:28:43,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:43,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-28 20:28:43,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 20:28:43,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:43,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 20:28:43,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:43,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-28 20:28:43,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:43,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2019-11-28 20:28:43,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:43,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2019-11-28 20:28:43,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-28 20:28:43,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 20:28:43,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2019-11-28 20:28:43,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:43,764 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-28 20:28:43,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2019-11-28 20:28:43,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-28 20:28:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 20:28:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-11-28 20:28:43,767 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-28 20:28:43,767 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-28 20:28:43,768 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:28:43,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2019-11-28 20:28:43,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:43,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:43,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:43,770 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-28 20:28:43,770 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:28:43,770 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 122#L14-2 assume !!(main_~y~0 > 1); 127#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 128#L14-2 assume !!(main_~y~0 > 1); 129#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 123#L14-2 [2019-11-28 20:28:43,770 INFO L796 eck$LassoCheckResult]: Loop: 123#L14-2 assume !!(main_~y~0 > 1); 124#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 123#L14-2 [2019-11-28 20:28:43,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:43,771 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2019-11-28 20:28:43,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:43,772 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195031633] [2019-11-28 20:28:43,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:43,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195031633] [2019-11-28 20:28:43,889 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095058412] [2019-11-28 20:28:43,889 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:28:43,919 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 20:28:43,920 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 20:28:43,920 WARN L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:28:43,921 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:44,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:44,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 20:28:44,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2019-11-28 20:28:44,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629561999] [2019-11-28 20:28:44,018 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:28:44,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:44,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2019-11-28 20:28:44,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:44,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282141865] [2019-11-28 20:28:44,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:44,046 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:44,070 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:44,071 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:44,071 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:44,071 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:44,071 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:44,071 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:44,071 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:44,072 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:44,072 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration3_Loop [2019-11-28 20:28:44,072 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:44,072 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:44,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:44,178 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:44,178 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:44,185 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:44,186 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:44,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:44,211 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 [2019-11-28 20:28:44,233 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:44,236 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:44,236 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:44,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:44,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:44,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:44,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:44,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:44,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:44,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration3_Loop [2019-11-28 20:28:44,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:44,238 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:44,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:44,351 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:44,352 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:44,358 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 [2019-11-28 20:28:44,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:44,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:44,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:44,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:44,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:44,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:44,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:44,372 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:44,378 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:44,378 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:44,396 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:44,396 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:44,396 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:44,396 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-28 20:28:44,400 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:44,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:44,426 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:44,427 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:44,433 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:44,434 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:44,446 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:28:44,447 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-28 20:28:44,463 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2019-11-28 20:28:44,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-28 20:28:44,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 20:28:44,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:44,466 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:44,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:44,488 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:44,489 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:44,497 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:44,498 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:44,516 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:28:44,516 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-28 20:28:44,529 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2019-11-28 20:28:44,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:44,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-28 20:28:44,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 20:28:44,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:44,530 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:44,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:44,550 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:44,550 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:44,555 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:44,556 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:44,567 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:28:44,567 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-28 20:28:44,582 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 15 states and 23 transitions. Complement of second has 4 states. [2019-11-28 20:28:44,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-28 20:28:44,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 20:28:44,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:44,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-28 20:28:44,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:44,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 20:28:44,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:44,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2019-11-28 20:28:44,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 20:28:44,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2019-11-28 20:28:44,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-28 20:28:44,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 20:28:44,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2019-11-28 20:28:44,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:44,592 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-28 20:28:44,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2019-11-28 20:28:44,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2019-11-28 20:28:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:28:44,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-11-28 20:28:44,595 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-11-28 20:28:44,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:28:44,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:28:44,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:28:44,601 INFO L87 Difference]: Start difference. First operand 5 states and 7 transitions. Second operand 4 states. [2019-11-28 20:28:44,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:28:44,629 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2019-11-28 20:28:44,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:28:44,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. [2019-11-28 20:28:44,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 20:28:44,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 11 transitions. [2019-11-28 20:28:44,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-28 20:28:44,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-28 20:28:44,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-11-28 20:28:44,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:44,631 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-11-28 20:28:44,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-11-28 20:28:44,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 6. [2019-11-28 20:28:44,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-28 20:28:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2019-11-28 20:28:44,633 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-11-28 20:28:44,633 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-11-28 20:28:44,633 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 20:28:44,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2019-11-28 20:28:44,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 20:28:44,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:44,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:44,634 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:28:44,634 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2019-11-28 20:28:44,634 INFO L794 eck$LassoCheckResult]: Stem: 295#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 296#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-28 20:28:44,634 INFO L796 eck$LassoCheckResult]: Loop: 300#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-28 20:28:44,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:44,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-28 20:28:44,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:44,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684648668] [2019-11-28 20:28:44,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:44,641 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:44,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:44,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2019-11-28 20:28:44,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:44,642 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549545722] [2019-11-28 20:28:44,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:44,660 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:44,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:44,661 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 2 times [2019-11-28 20:28:44,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:44,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071736598] [2019-11-28 20:28:44,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:44,679 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:44,735 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:44,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:44,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:44,735 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:44,735 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:44,735 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:44,736 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:44,736 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:44,736 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-28 20:28:44,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:44,736 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:44,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:44,824 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:44,825 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:44,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:44,833 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:44,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:44,848 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:45,295 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:45,298 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:45,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:45,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:45,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:45,298 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:45,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:45,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:45,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-28 20:28:45,299 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:45,299 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:45,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:45,387 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:45,387 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,406 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 [2019-11-28 20:28:45,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:45,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:45,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:45,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:45,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:45,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:45,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:45,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:45,419 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,434 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 [2019-11-28 20:28:45,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:45,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:45,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:45,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:45,437 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:45,442 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:45,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:45,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:45,453 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:45,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:28:45,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:45,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:45,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:45,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:45,470 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,497 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:45,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:45,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:45,512 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,530 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 [2019-11-28 20:28:45,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:45,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:45,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:45,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:45,533 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:45,544 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:45,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:45,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:45,558 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,577 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 [2019-11-28 20:28:45,579 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:45,580 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:45,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:45,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:45,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:45,580 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:45,587 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:45,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:45,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:45,599 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:45,616 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 [2019-11-28 20:28:45,618 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:45,619 INFO L338 nArgumentSynthesizer]: Template has degree 2. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:45,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:45,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:45,619 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:45,628 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:45,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:45,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:45,648 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,658 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 [2019-11-28 20:28:45,661 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:45,661 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:45,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:45,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:45,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:45,662 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:45,670 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:45,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:45,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:45,701 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:45,709 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 [2019-11-28 20:28:45,711 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:45,711 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:45,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:45,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:45,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:45,712 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:45,715 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:45,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:45,725 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:45,733 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 [2019-11-28 20:28:45,735 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:45,735 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:45,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:45,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:45,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:45,736 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 20:28:45,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:45,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:45,770 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:45,770 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:45,770 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:45,770 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:45,770 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:45,770 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,770 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:45,770 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:45,771 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-28 20:28:45,771 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:45,771 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:45,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:45,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:45,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:45,867 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:45,867 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:45,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:45,885 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:45,890 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:45,890 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:45,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:45,899 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:45,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:45,916 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,232 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:46,234 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:46,234 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:46,234 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:46,235 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:46,235 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:46,235 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,235 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:46,235 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:46,235 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-28 20:28:46,235 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:46,235 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:46,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:46,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:46,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:46,333 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:46,333 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,347 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 [2019-11-28 20:28:46,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:46,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:46,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,373 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 [2019-11-28 20:28:46,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:46,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:46,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,386 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 [2019-11-28 20:28:46,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:46,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:46,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:46,393 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,401 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 [2019-11-28 20:28:46,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,405 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:46,412 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-28 20:28:46,412 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,436 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 [2019-11-28 20:28:46,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,439 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:46,441 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:46,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,451 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 [2019-11-28 20:28:46,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,454 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:46,456 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:46,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:46,460 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,468 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 [2019-11-28 20:28:46,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,470 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:46,482 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 20:28:46,483 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,496 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,504 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 [2019-11-28 20:28:46,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,506 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:46,509 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:46,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,523 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 [2019-11-28 20:28:46,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,526 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:46,528 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:46,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:46,536 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,542 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 [2019-11-28 20:28:46,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,544 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:46,554 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-28 20:28:46,554 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,579 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 [2019-11-28 20:28:46,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,582 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:46,583 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:46,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,592 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 [2019-11-28 20:28:46,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:46,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,595 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:46,597 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:46,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:46,602 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,617 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 [2019-11-28 20:28:46,619 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,619 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:46,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,620 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:46,629 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-28 20:28:46,629 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,655 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 [2019-11-28 20:28:46,659 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,659 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:46,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,660 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:46,661 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:46,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,672 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 [2019-11-28 20:28:46,674 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,674 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:46,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,675 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:46,676 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:46,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:46,681 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:28:46,689 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,689 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 20:28:46,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,690 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:46,708 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 20:28:46,708 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:28:46,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,756 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 20:28:46,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,757 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:46,759 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:46,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,769 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 [2019-11-28 20:28:46,772 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,772 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 20:28:46,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,772 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:46,774 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:46,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:46,782 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,787 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 [2019-11-28 20:28:46,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,790 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:46,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,791 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:46,802 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-28 20:28:46,802 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,861 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 [2019-11-28 20:28:46,864 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,864 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:46,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,865 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:46,868 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:46,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,886 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 [2019-11-28 20:28:46,890 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,890 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:46,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,890 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:46,893 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:46,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:46,901 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,907 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 [2019-11-28 20:28:46,909 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,909 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:46,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,910 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:46,917 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 20:28:46,918 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,944 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 [2019-11-28 20:28:46,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,947 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:46,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,948 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:46,949 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:46,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,962 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 [2019-11-28 20:28:46,965 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,965 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:46,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:46,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,966 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:46,967 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:46,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:46,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:46,975 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:46,981 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 [2019-11-28 20:28:46,984 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:46,984 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:46,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:46,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:46,984 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 20:28:46,995 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-28 20:28:46,996 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,036 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 [2019-11-28 20:28:47,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:47,039 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:47,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:47,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,039 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 20:28:47,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:47,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,052 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 [2019-11-28 20:28:47,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:47,054 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:47,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:47,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,055 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 20:28:47,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:47,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:47,062 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-28 20:28:47,063 INFO L794 eck$LassoCheckResult]: Stem: 295#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 296#L14-2 assume !!(main_~y~0 > 1); 300#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-28 20:28:47,063 INFO L796 eck$LassoCheckResult]: Loop: 300#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 [2019-11-28 20:28:47,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:47,064 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2019-11-28 20:28:47,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:47,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242087807] [2019-11-28 20:28:47,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:47,083 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:47,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:47,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 2 times [2019-11-28 20:28:47,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:47,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310968576] [2019-11-28 20:28:47,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:47,100 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:47,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:47,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2019-11-28 20:28:47,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:47,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27846383] [2019-11-28 20:28:47,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:47,143 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:47,201 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:47,201 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:47,201 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:47,201 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:47,202 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:47,202 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,202 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:47,202 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:47,202 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-28 20:28:47,202 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:47,202 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:47,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:47,275 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:47,275 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:47,287 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:47,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:47,496 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:47,497 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:47,498 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:47,498 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:47,498 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:47,498 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:47,498 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,498 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:47,498 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:47,499 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2019-11-28 20:28:47,499 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:47,499 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:47,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:47,575 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:47,575 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,586 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 [2019-11-28 20:28:47,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:47,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:47,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:47,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:47,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:47,594 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,600 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 Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:47,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:47,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,602 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:47,604 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:47,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:47,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:47,618 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,624 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 [2019-11-28 20:28:47,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:47,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:47,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,627 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:47,631 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:47,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:47,638 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,643 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 [2019-11-28 20:28:47,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:47,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:47,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,646 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:47,650 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:47,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:47,658 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,673 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 [2019-11-28 20:28:47,675 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:47,676 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:47,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:47,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,676 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:47,679 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:47,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:47,689 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,698 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 [2019-11-28 20:28:47,701 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:47,701 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 20:28:47,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:47,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,701 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:47,705 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:47,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:47,722 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,728 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 [2019-11-28 20:28:47,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:47,731 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:47,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,731 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:47,736 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:47,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:47,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:47,764 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,774 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 [2019-11-28 20:28:47,776 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:47,776 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:47,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:47,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,777 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:47,780 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:47,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:47,789 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:47,797 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 [2019-11-28 20:28:47,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:47,799 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:47,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:47,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:47,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:47,800 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 20:28:47,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:47,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:47,895 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:47,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:47,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:47,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:47,895 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:47,896 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:47,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:47,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:47,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-28 20:28:47,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:47,896 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:47,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:47,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:47,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:48,065 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:48,066 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:48,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:48,072 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,076 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:48,077 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:48,083 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:48,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:48,651 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:48,653 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:48,653 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:48,653 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:48,653 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:48,653 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:48,654 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,654 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:48,654 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:48,654 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2019-11-28 20:28:48,654 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:48,654 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:48,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:48,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:48,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:48,830 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:48,830 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:48,841 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 [2019-11-28 20:28:48,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:48,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:48,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:48,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:48,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:48,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:48,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:48,854 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 [2019-11-28 20:28:48,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:48,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:48,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:48,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:48,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:48,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:48,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:48,871 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 [2019-11-28 20:28:48,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:48,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:48,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:48,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:48,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:48,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:48,890 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:48,895 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 [2019-11-28 20:28:48,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:48,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:48,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:48,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:48,897 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:48,898 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:48,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:48,908 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 [2019-11-28 20:28:48,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:48,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:48,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:48,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:48,911 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:48,912 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:48,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:48,925 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 [2019-11-28 20:28:48,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:48,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:48,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:48,927 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:48,934 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-28 20:28:48,934 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:48,949 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:48,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:28:48,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:48,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:48,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:48,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:48,962 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:48,963 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:48,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:48,972 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 [2019-11-28 20:28:48,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:48,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:48,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:48,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:48,975 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:48,976 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:48,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:48,983 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 [2019-11-28 20:28:48,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:48,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:48,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:48,985 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:49,014 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 20:28:49,014 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-28 20:28:49,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:49,033 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,042 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 [2019-11-28 20:28:49,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:49,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,045 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:49,046 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:49,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:28:49,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:49,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,058 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:49,060 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:49,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,072 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 [2019-11-28 20:28:49,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:49,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,075 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:49,086 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-28 20:28:49,086 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:49,114 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,120 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 [2019-11-28 20:28:49,123 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,123 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:49,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,124 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:49,124 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:49,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,135 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 [2019-11-28 20:28:49,138 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,138 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:49,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,138 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:49,139 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-28 20:28:49,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:28:49,153 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,153 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:49,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,154 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-28 20:28:49,162 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-28 20:28:49,162 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:49,191 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,198 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 [2019-11-28 20:28:49,201 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,201 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 20:28:49,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,202 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:49,203 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:49,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:49,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,214 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 [2019-11-28 20:28:49,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,217 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 20:28:49,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,217 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:49,218 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:49,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,229 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 [2019-11-28 20:28:49,231 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,231 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-28 20:28:49,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,232 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:49,239 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 20:28:49,240 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:49,283 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,292 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 [2019-11-28 20:28:49,294 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,294 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:49,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,295 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:49,296 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:49,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,309 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 [2019-11-28 20:28:49,312 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,312 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:49,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,313 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:49,314 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-28 20:28:49,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,327 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 [2019-11-28 20:28:49,329 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,330 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:49,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,330 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-28 20:28:49,341 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-28 20:28:49,341 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:49,398 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:28:49,403 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,403 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:49,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,404 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:49,404 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:49,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:49,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,420 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 [2019-11-28 20:28:49,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,422 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:49,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,423 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:49,423 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:28:49,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,430 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 [2019-11-28 20:28:49,432 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,432 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-28 20:28:49,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,432 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-28 20:28:49,440 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 20:28:49,441 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-28 20:28:49,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:49,463 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:28:49,474 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,474 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:49,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,475 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 20:28:49,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:49,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,488 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 [2019-11-28 20:28:49,491 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,491 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:49,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:49,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,491 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 20:28:49,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:49,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:49,506 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 [2019-11-28 20:28:49,508 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-28 20:28:49,508 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-28 20:28:49,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:49,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:49,508 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-28 20:28:49,522 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-28 20:28:49,523 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:49,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-28 20:28:49,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:28:49 BoogieIcfgContainer [2019-11-28 20:28:49,581 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:28:49,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:28:49,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:28:49,582 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:28:49,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:28:42" (3/4) ... [2019-11-28 20:28:49,587 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:28:49,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:28:49,589 INFO L168 Benchmark]: Toolchain (without parser) took 8116.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.0 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -218.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:28:49,590 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:28:49,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.56 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 945.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:28:49,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:28:49,592 INFO L168 Benchmark]: Boogie Preprocessor took 28.33 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:28:49,592 INFO L168 Benchmark]: RCFGBuilder took 215.73 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:28:49,593 INFO L168 Benchmark]: BuchiAutomizer took 7426.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -72.2 MB). Peak memory consumption was 387.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:28:49,593 INFO L168 Benchmark]: Witness Printer took 5.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:28:49,596 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.56 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 945.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 137.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.33 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 215.73 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7426.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -72.2 MB). Peak memory consumption was 387.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 6.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 18 SDslu, 6 SDs, 0 SdLazy, 46 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital41 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div338 bol100 ite112 ukn100 eq133 hnf54 smp51 dnf100 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 70ms VariablesStem: 5 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(main_~y~0 > 1);" "assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0;" "assume !!(main_~y~0 > 1);" "assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2);" "assume !!(main_~y~0 > 1);" Loop: "assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0;" "assume !!(main_~y~0 > 1);" "assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2);" "assume !!(main_~y~0 > 1);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...