./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.25-9a8b2e8 [2020-10-20 06:34:21,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:34:21,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:34:21,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:34:21,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:34:21,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:34:21,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:34:21,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:34:21,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:34:21,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:34:21,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:34:21,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:34:21,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:34:21,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:34:21,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:34:21,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:34:21,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:34:21,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:34:21,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:34:21,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:34:21,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:34:21,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:34:22,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:34:22,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:34:22,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:34:22,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:34:22,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:34:22,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:34:22,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:34:22,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:34:22,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:34:22,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:34:22,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:34:22,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:34:22,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:34:22,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:34:22,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:34:22,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:34:22,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:34:22,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:34:22,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:34:22,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:34:22,040 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:34:22,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:34:22,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:34:22,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:34:22,041 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:34:22,042 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:34:22,042 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:34:22,042 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:34:22,042 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:34:22,042 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:34:22,043 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:34:22,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:34:22,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:34:22,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:34:22,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:34:22,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:34:22,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:34:22,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:34:22,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:34:22,044 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:34:22,044 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:34:22,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:34:22,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:34:22,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:34:22,045 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:34:22,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:34:22,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:34:22,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:34:22,046 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:34:22,047 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:34:22,047 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 -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2020-10-20 06:34:22,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:34:22,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:34:22,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:34:22,284 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:34:22,285 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:34:22,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-10-20 06:34:22,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb1c7d2d2/da1ec0354cd044e1a3bec0b47994e8d9/FLAGe505b554c [2020-10-20 06:34:22,820 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:34:22,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-10-20 06:34:22,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb1c7d2d2/da1ec0354cd044e1a3bec0b47994e8d9/FLAGe505b554c [2020-10-20 06:34:23,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb1c7d2d2/da1ec0354cd044e1a3bec0b47994e8d9 [2020-10-20 06:34:23,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:34:23,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:34:23,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:34:23,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:34:23,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:34:23,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb4260b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23, skipping insertion in model container [2020-10-20 06:34:23,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:34:23,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:34:23,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:34:23,471 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:34:23,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:34:23,497 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:34:23,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23 WrapperNode [2020-10-20 06:34:23,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:34:23,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:34:23,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:34:23,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:34:23,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:34:23,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:34:23,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:34:23,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:34:23,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (1/1) ... [2020-10-20 06:34:23,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:34:23,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:34:23,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:34:23,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:34:23,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (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 [2020-10-20 06:34:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:34:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:34:23,752 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:34:23,753 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:34:23,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:23 BoogieIcfgContainer [2020-10-20 06:34:23,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:34:23,755 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:34:23,755 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:34:23,759 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:34:23,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:23,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:34:23" (1/3) ... [2020-10-20 06:34:23,766 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14a3ff0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:34:23, skipping insertion in model container [2020-10-20 06:34:23,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:23,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:23" (2/3) ... [2020-10-20 06:34:23,767 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14a3ff0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:34:23, skipping insertion in model container [2020-10-20 06:34:23,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:23,767 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:23" (3/3) ... [2020-10-20 06:34:23,769 INFO L373 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2020-10-20 06:34:23,819 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:34:23,819 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:34:23,819 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:34:23,819 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:34:23,819 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:34:23,820 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:34:23,820 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:34:23,820 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:34:23,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-20 06:34:23,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:34:23,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:34:23,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:34:23,860 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:34:23,860 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:34:23,860 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:34:23,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-20 06:34:23,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:34:23,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:34:23,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:34:23,862 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:34:23,862 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:34:23,869 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2020-10-20 06:34:23,869 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-10-20 06:34:23,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:23,875 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-20 06:34:23,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:23,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236168480] [2020-10-20 06:34:23,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:23,956 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:23,960 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:23,978 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:23,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:23,980 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-10-20 06:34:23,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:23,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146393334] [2020-10-20 06:34:23,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:24,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:24,012 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:24,014 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:24,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:24,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-10-20 06:34:24,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:24,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849089431] [2020-10-20 06:34:24,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:24,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:24,036 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:24,038 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:24,250 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:24,250 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:24,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:24,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:24,251 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:34:24,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:24,251 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:24,252 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:24,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-10-20 06:34:24,252 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:24,252 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:24,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:24,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:24,509 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-10-20 06:34:24,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:24,643 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-10-20 06:34:24,884 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2020-10-20 06:34:24,895 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:24,897 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:24,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:24,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:34:24,913 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:34:24,913 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:24,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:24,964 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /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) [2020-10-20 06:34:25,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:34:25,021 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:25,106 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:34:25,108 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:25,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:25,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:25,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:25,109 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:34:25,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:25,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:25,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:25,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-10-20 06:34:25,110 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:25,110 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:25,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:25,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:25,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:25,325 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-20 06:34:25,515 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-10-20 06:34:25,521 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:25,527 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 06:34:25,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:25,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:25,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:25,538 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:25,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:25,589 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2020-10-20 06:34:25,589 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-10-20 06:34:25,655 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 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 [2020-10-20 06:34:25,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:25,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:25,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:25,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:25,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:25,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:25,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:25,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:25,699 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 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 [2020-10-20 06:34:25,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:25,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:25,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:25,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:25,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:25,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:25,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:25,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:25,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:25,758 INFO L489 LassoAnalysis]: Using template '2-nested'. 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:25,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:25,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:25,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:25,775 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:25,776 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:25,815 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-10-20 06:34:25,816 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-10-20 06:34:25,895 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:25,962 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 [2020-10-20 06:34:25,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:25,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:25,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:25,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:25,965 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:25,966 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:25,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:25,968 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:26,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:26,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:26,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:26,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:26,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:26,056 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:26,056 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:26,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:26,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:26,092 INFO L489 LassoAnalysis]: Using template '3-nested'. 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:26,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:26,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:26,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:26,099 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:26,099 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:26,145 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-20 06:34:26,145 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-20 06:34:26,246 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:26,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:26,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:26,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:26,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:26,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:26,291 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:26,292 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:26,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:26,300 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:26,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:26,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:26,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:26,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:26,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:26,346 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:26,347 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:26,347 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 [2020-10-20 06:34:26,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:26,386 INFO L489 LassoAnalysis]: Using template '4-nested'. 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) [2020-10-20 06:34:26,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:26,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:26,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:26,400 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:26,400 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:26,454 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-10-20 06:34:26,454 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-10-20 06:34:26,586 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:26,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:26,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:26,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:26,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:26,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:26,637 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:26,641 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:26,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:26,645 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:26,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:26,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:26,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:26,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:26,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:26,700 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:26,701 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:26,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:26,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:26,740 INFO L489 LassoAnalysis]: Using template '2-phase'. 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 [2020-10-20 06:34:26,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:26,758 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:26,759 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:26,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:26,759 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:26,759 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:26,790 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-10-20 06:34:26,791 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-10-20 06:34:26,868 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 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 [2020-10-20 06:34:26,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:26,917 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:26,917 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:26,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:26,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:26,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:26,918 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:26,919 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:26,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:26,922 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:26,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:26,963 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:26,963 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:26,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:26,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:26,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:26,964 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:26,965 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:26,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:26,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:27,000 INFO L489 LassoAnalysis]: Using template '3-phase'. 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) [2020-10-20 06:34:27,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:27,006 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:27,006 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:27,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:27,006 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:27,007 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:27,045 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-20 06:34:27,045 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-20 06:34:27,161 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:27,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:27,217 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:27,217 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:27,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:27,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:27,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:27,229 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:27,230 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:27,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:27,234 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:27,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:27,275 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:27,275 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:27,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:27,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:27,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:27,276 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:27,277 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:27,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:27,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:27,311 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) [2020-10-20 06:34:27,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:27,316 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:27,317 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:27,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:27,317 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:27,317 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:27,366 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-10-20 06:34:27,367 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-10-20 06:34:27,952 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:27,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:27,998 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:27,998 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:27,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:27,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:27,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:27,999 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:28,001 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:28,001 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 [2020-10-20 06:34:28,009 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:28,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:28,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:28,051 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:28,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:28,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:28,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:28,052 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:28,058 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:28,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:28,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:28,099 INFO L489 LassoAnalysis]: Using template '2-lex'. 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) [2020-10-20 06:34:28,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:28,104 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:28,104 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:28,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:28,105 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:28,105 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:28,153 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-20 06:34:28,153 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-20 06:34:28,261 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 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:28,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:28,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:28,298 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:28,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:28,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:28,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:28,299 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:28,300 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:28,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:28,302 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 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:28,327 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 [2020-10-20 06:34:28,330 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:28,330 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:28,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:28,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:28,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:28,331 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:28,332 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:28,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:28,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:28,371 INFO L489 LassoAnalysis]: Using template '3-lex'. 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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:28,373 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 [2020-10-20 06:34:28,376 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:28,376 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:28,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:28,377 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:28,377 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:28,435 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2020-10-20 06:34:28,435 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2020-10-20 06:34:28,723 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) [2020-10-20 06:34:28,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:28,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:28,766 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:28,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:28,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:28,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:28,767 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:28,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:28,768 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 [2020-10-20 06:34:28,771 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) [2020-10-20 06:34:28,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:28,811 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:28,811 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:28,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:28,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:28,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:28,812 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:28,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:28,813 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 [2020-10-20 06:34:28,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:28,851 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-10-20 06:34:28,852 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-10-20 06:34:28,852 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2020-10-20 06:34:28,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:28,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2020-10-20 06:34:28,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:28,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581308225] [2020-10-20 06:34:28,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:28,860 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:28,866 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:28,868 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:28,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:28,868 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2020-10-20 06:34:28,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:28,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280289141] [2020-10-20 06:34:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:28,875 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:28,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:28,882 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:28,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:28,882 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2020-10-20 06:34:28,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:28,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287795763] [2020-10-20 06:34:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:28,902 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:28,927 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:28,930 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:29,008 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:29,009 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:29,009 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:29,009 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:29,009 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:34:29,009 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,009 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:29,009 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:29,009 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-10-20 06:34:29,009 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:29,010 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:29,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:29,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:29,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:29,370 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-10-20 06:34:29,374 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:29,374 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2020-10-20 06:34:29,383 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:29,383 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,388 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:34:29,389 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 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,414 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:29,414 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:34:29,416 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:34:29,416 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 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:29,440 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:34:29,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:34:29,531 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:34:29,533 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:29,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:29,533 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:29,533 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:29,533 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:34:29,533 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:29,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:29,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2020-10-20 06:34:29,534 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:29,534 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:29,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:29,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:29,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:29,882 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-10-20 06:34:29,885 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:29,885 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 06:34:29,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:29,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:29,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:29,901 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 [2020-10-20 06:34:29,903 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) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,925 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 [2020-10-20 06:34:29,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:29,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:29,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,929 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:29,958 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 [2020-10-20 06:34:29,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,960 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:29,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,976 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2020-10-20 06:34:29,976 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-10-20 06:34:30,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:30,046 INFO L489 LassoAnalysis]: Using template '2-nested'. 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) [2020-10-20 06:34:30,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:30,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,060 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:30,060 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:30,061 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 [2020-10-20 06:34:30,075 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) [2020-10-20 06:34:30,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:30,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,118 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:30,119 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:30,119 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 [2020-10-20 06:34:30,121 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:30,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:30,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,160 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:30,160 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,199 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-10-20 06:34:30,199 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-10-20 06:34:30,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:30,273 INFO L489 LassoAnalysis]: Using template '3-nested'. 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) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:30,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:30,278 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:30,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,280 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) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:30,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,304 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:30,305 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:30,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,306 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 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:30,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,330 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:30,330 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:30,359 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-20 06:34:30,360 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-20 06:34:30,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:30,457 INFO L489 LassoAnalysis]: Using template '4-nested'. 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) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:30,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,461 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:30,462 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:30,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,464 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) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:30,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,488 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:30,489 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:30,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,491 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 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:30,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,518 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:30,518 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:30,559 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-10-20 06:34:30,559 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-10-20 06:34:30,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:30,689 INFO L489 LassoAnalysis]: Using template '2-phase'. 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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,693 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:30,693 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:30,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,694 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:30,695 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:30,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,697 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) [2020-10-20 06:34:30,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,723 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:30,723 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:30,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,723 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:30,725 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:30,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,727 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:30,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:30,766 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:30,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,766 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:30,767 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,804 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2020-10-20 06:34:30,804 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2020-10-20 06:34:30,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,019 INFO L489 LassoAnalysis]: Using template '3-phase'. 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) [2020-10-20 06:34:31,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,027 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,028 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:31,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,028 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,030 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,030 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 [2020-10-20 06:34:31,035 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) [2020-10-20 06:34:31,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,079 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:31,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,079 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,080 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,083 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 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,111 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:31,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,111 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:31,111 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,158 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-20 06:34:31,159 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-20 06:34:31,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,370 INFO L489 LassoAnalysis]: Using template '4-phase'. 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) [2020-10-20 06:34:31,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,382 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:31,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,383 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:31,384 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:31,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,387 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) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,411 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:31,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,412 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:31,413 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:31,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,417 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:31,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,443 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,443 INFO L338 nArgumentSynthesizer]: Template has degree 3. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,443 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:31,443 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:31,481 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2020-10-20 06:34:31,482 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2020-10-20 06:34:31,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,619 INFO L489 LassoAnalysis]: Using template '2-lex'. 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 [2020-10-20 06:34:31,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,625 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,625 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:31,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,626 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,626 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,630 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:31,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,661 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,661 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:31,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,661 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,662 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,664 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 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,689 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,689 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:31,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,690 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:31,690 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,732 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2020-10-20 06:34:31,732 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2020-10-20 06:34:31,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,860 INFO L489 LassoAnalysis]: Using template '3-lex'. 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) [2020-10-20 06:34:31,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,864 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,864 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:31,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,864 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:31,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:31,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,868 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 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,901 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,901 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:31,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,901 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:31,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:31,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,904 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 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,930 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,930 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:31,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,930 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2020-10-20 06:34:31,930 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:31,976 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2020-10-20 06:34:31,976 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2020-10-20 06:34:32,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:32,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:34:32 BoogieIcfgContainer [2020-10-20 06:34:32,397 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:34:32,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:34:32,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:34:32,398 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:34:32,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:23" (3/4) ... [2020-10-20 06:34:32,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:34:32,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:34:32,403 INFO L168 Benchmark]: Toolchain (without parser) took 9214.48 ms. Allocated memory was 34.6 MB in the beginning and 75.5 MB in the end (delta: 40.9 MB). Free memory was 17.2 MB in the beginning and 39.6 MB in the end (delta: -22.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:32,404 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 33.6 MB. Free memory was 11.1 MB in the beginning and 11.0 MB in the end (delta: 87.6 kB). Peak memory consumption was 87.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:34:32,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.78 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 16.3 MB in the beginning and 26.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:32,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.69 ms. Allocated memory is still 43.0 MB. Free memory was 26.0 MB in the beginning and 24.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:32,406 INFO L168 Benchmark]: Boogie Preprocessor took 20.27 ms. Allocated memory is still 43.0 MB. Free memory was 24.5 MB in the beginning and 23.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:32,406 INFO L168 Benchmark]: RCFGBuilder took 202.47 ms. Allocated memory is still 43.0 MB. Free memory was 23.4 MB in the beginning and 15.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:32,407 INFO L168 Benchmark]: BuchiAutomizer took 8642.30 ms. Allocated memory was 43.0 MB in the beginning and 75.5 MB in the end (delta: 32.5 MB). Free memory was 15.0 MB in the beginning and 39.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:32,407 INFO L168 Benchmark]: Witness Printer took 3.89 ms. Allocated memory is still 75.5 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:34:32,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 33.6 MB. Free memory was 11.1 MB in the beginning and 11.0 MB in the end (delta: 87.6 kB). Peak memory consumption was 87.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 303.78 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 16.3 MB in the beginning and 26.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 32.69 ms. Allocated memory is still 43.0 MB. Free memory was 26.0 MB in the beginning and 24.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 20.27 ms. Allocated memory is still 43.0 MB. Free memory was 24.5 MB in the beginning and 23.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 202.47 ms. Allocated memory is still 43.0 MB. Free memory was 23.4 MB in the beginning and 15.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 8642.30 ms. Allocated memory was 43.0 MB in the beginning and 75.5 MB in the end (delta: 32.5 MB). Free memory was 15.0 MB in the beginning and 39.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 14.3 GB. * Witness Printer took 3.89 ms. Allocated memory is still 75.5 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 8.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital66 mio100 ax100 hnf95 lsp165 ukn66 mio100 lsp100 div198 bol100 ite100 ukn100 eq137 hnf60 smp87 dnf299 smp50 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 444ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...