./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.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/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.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 bc157475d6c321934f68f6b441d83c0582720461 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:34:25,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:34:25,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:34:25,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:34:25,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:34:25,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:34:25,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:34:25,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:34:25,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:34:25,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:34:25,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:34:25,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:34:25,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:34:25,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:34:25,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:34:25,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:34:25,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:34:25,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:34:25,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:34:25,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:34:25,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:34:25,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:34:25,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:34:25,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:34:25,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:34:25,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:34:25,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:34:25,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:34:25,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:34:25,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:34:25,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:34:25,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:34:25,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:34:25,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:34:25,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:34:25,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:34:25,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:34:25,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:34:25,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:34:25,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:34:25,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:34:25,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:34:25,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:34:25,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:34:25,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:34:25,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:34:25,534 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:34:25,535 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:34:25,535 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:34:25,535 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:34:25,535 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:34:25,535 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:34:25,536 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:34:25,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:34:25,536 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:34:25,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:34:25,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:34:25,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:34:25,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:34:25,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:34:25,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:34:25,537 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:34:25,537 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:34:25,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:34:25,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:34:25,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:34:25,538 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:34:25,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:34:25,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:34:25,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:34:25,539 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:34:25,540 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:34:25,540 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 -> bc157475d6c321934f68f6b441d83c0582720461 [2020-10-20 06:34:25,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:34:25,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:34:25,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:34:25,763 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:34:25,765 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:34:25,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-10-20 06:34:25,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54a8f0bb/a3ef842873b9441ba899341908bb38ed/FLAG10b8d4fcd [2020-10-20 06:34:26,281 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:34:26,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-10-20 06:34:26,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54a8f0bb/a3ef842873b9441ba899341908bb38ed/FLAG10b8d4fcd [2020-10-20 06:34:26,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54a8f0bb/a3ef842873b9441ba899341908bb38ed [2020-10-20 06:34:26,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:34:26,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:34:26,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:34:26,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:34:26,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:34:26,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:34:26" (1/1) ... [2020-10-20 06:34:26,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f504b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:26, skipping insertion in model container [2020-10-20 06:34:26,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:34:26" (1/1) ... [2020-10-20 06:34:26,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:34:26,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:34:27,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:34:27,011 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:34:27,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:34:27,040 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:34:27,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27 WrapperNode [2020-10-20 06:34:27,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:34:27,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:34:27,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:34:27,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:34:27,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (1/1) ... [2020-10-20 06:34:27,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (1/1) ... [2020-10-20 06:34:27,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:34:27,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:34:27,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:34:27,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:34:27,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (1/1) ... [2020-10-20 06:34:27,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (1/1) ... [2020-10-20 06:34:27,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (1/1) ... [2020-10-20 06:34:27,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (1/1) ... [2020-10-20 06:34:27,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (1/1) ... [2020-10-20 06:34:27,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (1/1) ... [2020-10-20 06:34:27,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (1/1) ... [2020-10-20 06:34:27,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:34:27,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:34:27,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:34:27,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:34:27,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (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 06:34:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:34:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:34:27,328 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:34:27,328 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:34:27,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:27 BoogieIcfgContainer [2020-10-20 06:34:27,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:34:27,330 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:34:27,331 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:34:27,333 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:34:27,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:27,334 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:34:26" (1/3) ... [2020-10-20 06:34:27,335 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22da66ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:34:27, skipping insertion in model container [2020-10-20 06:34:27,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:27,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:27" (2/3) ... [2020-10-20 06:34:27,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22da66ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:34:27, skipping insertion in model container [2020-10-20 06:34:27,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:27,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:27" (3/3) ... [2020-10-20 06:34:27,338 INFO L373 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-10-20 06:34:27,385 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:34:27,385 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:34:27,385 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:34:27,385 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:34:27,385 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:34:27,385 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:34:27,386 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:34:27,386 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:34:27,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-10-20 06:34:27,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:34:27,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:34:27,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:34:27,422 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:34:27,422 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:34:27,423 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:34:27,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-10-20 06:34:27,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:34:27,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:34:27,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:34:27,424 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:34:27,424 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:34:27,431 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2020-10-20 06:34:27,431 INFO L796 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(main_~x~0 < 255); 9#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 5#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 7#L23-1true [2020-10-20 06:34:27,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:27,436 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-20 06:34:27,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:27,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169457578] [2020-10-20 06:34:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:27,530 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:27,534 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:27,548 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:27,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:27,550 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2020-10-20 06:34:27,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:27,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293473892] [2020-10-20 06:34:27,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:27,577 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:27,585 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:27,587 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:27,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:27,589 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2020-10-20 06:34:27,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:27,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581866511] [2020-10-20 06:34:27,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:34:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:34:27,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581866511] [2020-10-20 06:34:27,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:34:27,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 06:34:27,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411347537] [2020-10-20 06:34:27,769 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:27,790 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:27,790 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:27,790 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:27,791 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:34:27,791 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:27,791 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:27,791 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:27,791 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2020-10-20 06:34:27,792 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:27,792 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:27,817 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 06:34:27,839 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 06:34:27,845 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 06:34:27,964 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:27,965 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 06:34:27,974 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:27,974 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:28,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:34:28,021 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:34:28,753 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:34:28,755 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:28,756 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:28,756 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:28,762 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:28,762 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:34:28,762 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:28,763 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:28,763 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:28,763 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2020-10-20 06:34:28,763 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:28,763 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:28,764 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 06:34:28,811 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 06:34:28,830 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 06:34:28,946 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:28,952 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:28,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:28,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:28,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:28,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:28,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:28,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:28,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:28,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:28,977 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:29,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,015 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:34:29,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:29,016 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:29,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,020 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 06:34:29,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:29,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:29,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:29,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:29,093 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 06:34:29,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,100 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:29,111 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:29,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,115 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 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 06:34:29,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:29,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,152 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:34:29,152 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:29,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:29,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,157 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,190 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:29,190 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:29,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:29,217 INFO L489 LassoAnalysis]: Using template '3-nested'. 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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,223 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:29,231 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:29,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,236 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 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 06:34:29,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,273 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:34:29,273 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:29,276 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-20 06:34:29,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,280 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:29,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,311 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:29,312 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:29,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:29,348 INFO L489 LassoAnalysis]: Using template '4-nested'. 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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,367 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:29,371 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:29,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,379 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:29,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,425 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:34:29,426 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:29,428 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-10-20 06:34:29,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,433 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,495 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:29,497 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:29,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:29,531 INFO L489 LassoAnalysis]: Using template '2-phase'. 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 06:34:29,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,545 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:29,545 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:29,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,546 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:29,549 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:29,550 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 06:34:29,556 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 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 06:34:29,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:29,596 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:29,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,597 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:34:29,597 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:29,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:29,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,606 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 06:34:29,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,648 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:29,648 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:29,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,649 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:29,650 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:29,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:29,678 INFO L489 LassoAnalysis]: Using template '3-phase'. 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) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:29,683 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:29,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,684 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:29,688 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:29,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,699 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:29,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,739 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:29,740 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:29,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,740 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:34:29,740 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:29,744 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-20 06:34:29,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,754 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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,802 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:29,803 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:29,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,803 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:29,805 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:29,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:29,842 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:29,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,850 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:29,851 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:29,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,860 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,865 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:29,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,880 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:29,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,917 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:29,917 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:29,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,918 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:34:29,918 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:29,922 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-10-20 06:34:29,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,936 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 06:34:29,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:29,973 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:29,973 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:29,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,974 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:29,976 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:29,976 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 06:34:29,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:30,008 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:30,013 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:30,013 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:30,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,014 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:30,020 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:30,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,035 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 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:30,069 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:30,069 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:30,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,069 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:34:30,070 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:30,071 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-20 06:34:30,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,076 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 06:34:30,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,102 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:30,102 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:30,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,103 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:30,104 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:30,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:30,133 INFO L489 LassoAnalysis]: Using template '3-lex'. 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 06:34:30,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:30,143 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:30,143 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:30,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,143 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:30,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:30,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,165 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:30,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,212 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:30,212 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:30,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,213 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:34:30,213 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:30,215 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-20 06:34:30,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,225 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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:30,254 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:30,255 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:30,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:30,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:30,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:30,255 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:30,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:30,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:30,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:30,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:34:30,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:34:30,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:34:30,300 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2020-10-20 06:34:30,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:34:30,312 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2020-10-20 06:34:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:34:30,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2020-10-20 06:34:30,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:34:30,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2020-10-20 06:34:30,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-10-20 06:34:30,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-10-20 06:34:30,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2020-10-20 06:34:30,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:34:30,323 INFO L691 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-10-20 06:34:30,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2020-10-20 06:34:30,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2020-10-20 06:34:30,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:34:30,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2020-10-20 06:34:30,353 INFO L714 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-10-20 06:34:30,353 INFO L594 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-10-20 06:34:30,353 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:34:30,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2020-10-20 06:34:30,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:34:30,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:34:30,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:34:30,354 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:34:30,354 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:34:30,355 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2020-10-20 06:34:30,355 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2020-10-20 06:34:30,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:30,355 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2020-10-20 06:34:30,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:30,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288955251] [2020-10-20 06:34:30,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:30,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:30,361 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:30,362 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:30,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:30,363 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2020-10-20 06:34:30,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:30,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360972361] [2020-10-20 06:34:30,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:30,373 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:30,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:30,380 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:30,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:30,381 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2020-10-20 06:34:30,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:30,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980381440] [2020-10-20 06:34:30,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:30,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:30,394 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:30,396 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:30,454 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:30,454 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:30,454 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:30,454 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:30,455 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:34:30,455 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,455 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:30,455 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:30,455 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-10-20 06:34:30,455 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:30,455 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:30,456 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 06:34:30,482 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 06:34:30,485 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 06:34:30,568 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:30,569 INFO L404 LassoAnalysis]: Checking for nontermination... 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 06:34:30,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:30,572 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 31 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:30,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:34:30,614 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 06:34:30,939 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:34:30,941 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:30,941 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:30,941 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:30,941 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:30,942 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:34:30,942 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:30,942 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:30,942 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:30,942 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-10-20 06:34:30,942 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:30,942 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:30,944 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 06:34:30,953 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 06:34:30,955 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 06:34:31,030 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:31,030 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 06:34:31,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:31,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:31,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:31,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:31,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:31,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,091 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 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 06:34:31,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:31,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:31,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,148 INFO L489 LassoAnalysis]: Using template '2-nested'. 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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,153 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:31,154 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:31,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,157 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 06:34:31,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,181 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:31,182 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:31,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,184 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 06:34:31,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,209 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:31,209 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:31,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,233 INFO L489 LassoAnalysis]: Using template '3-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) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,238 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,240 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,253 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) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,281 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,282 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,286 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) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,314 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,314 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,337 INFO L489 LassoAnalysis]: Using template '4-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 06:34:31,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,340 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:31,343 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:31,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,347 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 06:34:31,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,371 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:31,372 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:31,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,375 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 06:34:31,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:31,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,401 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:31,401 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:31,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,424 INFO L489 LassoAnalysis]: Using template '2-phase'. 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 06:34:31,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,429 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,429 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:31,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,429 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:31,436 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:31,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,443 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 06:34:31,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,465 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,466 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:31,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,466 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:31,467 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:31,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,470 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) [2020-10-20 06:34:31,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,503 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,503 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:31,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,504 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:31,505 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:31,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,527 INFO L489 LassoAnalysis]: Using template '3-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 06:34:31,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:31,531 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,532 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:31,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,532 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,534 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,549 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 06:34:31,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,585 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,585 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:31,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,586 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,587 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,598 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 06:34:31,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,641 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,641 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:31,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,641 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,642 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,675 INFO L489 LassoAnalysis]: Using template '4-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 06:34:31,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,681 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,682 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:31,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,682 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:31,686 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:31,686 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 06:34:31,710 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 06:34:31,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,745 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:31,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,745 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:31,747 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:31,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,752 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 06:34:31,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,780 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,781 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:31,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,781 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:31,783 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:31,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,814 INFO L489 LassoAnalysis]: Using template '2-lex'. 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) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,823 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,823 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:31,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,823 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,825 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,831 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 06:34:31,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,854 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,854 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:31,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,855 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,857 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,890 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,890 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:31,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,890 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:31,891 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:31,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,896 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:31,919 INFO L489 LassoAnalysis]: Using template '3-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 06:34:31,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,924 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,924 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:31,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,924 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:31,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:31,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,939 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) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:31,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:31,965 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:31,965 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:31,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:31,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:31,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:31,974 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:31,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:31,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:31,980 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 06:34:32,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:32,008 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:32,008 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:32,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:32,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:32,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:32,008 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:32,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:32,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:32,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:32,053 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:32,053 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:32,053 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:32,053 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:32,053 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:34:32,053 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,053 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:32,054 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:32,054 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2020-10-20 06:34:32,054 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:32,054 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:32,055 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 06:34:32,059 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 06:34:32,062 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 06:34:32,066 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 06:34:32,069 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 06:34:32,150 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:32,151 INFO L404 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:32,154 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:34:32,159 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:34:32,159 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:32,183 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:32,183 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,186 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:34:32,186 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 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 06:34:32,212 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:32,212 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:34:32,215 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:34:32,215 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:32,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:34:32,252 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:34:32,252 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:32,291 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:32,291 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 64 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:32,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:34:32,360 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,633 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:34:32,634 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:32,635 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:32,635 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:32,635 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:32,635 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:34:32,635 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,635 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:32,635 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:32,635 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2020-10-20 06:34:32,635 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:32,635 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:32,637 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 06:34:32,641 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 06:34:32,645 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 06:34:32,648 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 06:34:32,651 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 06:34:32,747 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:32,748 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:32,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:32,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:32,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:32,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:32,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:32,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:32,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:32,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,761 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:32,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:32,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:32,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:32,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:32,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:32,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:32,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,816 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:32,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:32,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:32,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:32,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:32,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:32,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:32,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:32,870 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:32,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:32,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:32,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:32,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:32,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:32,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:32,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:32,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:32,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:32,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:32,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:32,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:32,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:32,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:32,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:32,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:32,948 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:32,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:32,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:32,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:32,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:32,952 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:32,952 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:32,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:32,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:32,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:32,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:32,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:32,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:32,979 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:32,980 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-20 06:34:32,980 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-10-20 06:34:32,986 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:33,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,010 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:33,011 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:33,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 73 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 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,036 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:33,036 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:33,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,063 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:33,064 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:33,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:33,094 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,096 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 06:34:33,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,098 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:33,099 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:33,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,124 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:33,126 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-20 06:34:33,126 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-20 06:34:33,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,157 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:33,157 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:33,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,159 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 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,185 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:33,185 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:33,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:33,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,213 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:33,214 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:33,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:33,241 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,245 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:33,245 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:33,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,247 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 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:33,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,281 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:33,284 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-10-20 06:34:33,284 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-10-20 06:34:33,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:33,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,334 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:33,335 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:33,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:33,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,376 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:33,377 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:33,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,383 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 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:33,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,407 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:33,411 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:33,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:33,435 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,439 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,439 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:33,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,439 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:33,440 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:33,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,467 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,467 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:33,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,468 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:33,469 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-20 06:34:33,470 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-10-20 06:34:33,475 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 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,500 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:33,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,500 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:33,500 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:33,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,526 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:33,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,527 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:33,527 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:33,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:33,554 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,554 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:33,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,555 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:33,556 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:33,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:33,563 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:33,597 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:33,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,603 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,603 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:33,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,603 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:33,604 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:33,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:33,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:33,658 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,658 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:33,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,659 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:33,664 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-20 06:34:33,664 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:33,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,752 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,752 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:33,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,753 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:33,754 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:33,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,758 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:33,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,820 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,820 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:33,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,821 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:33,822 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:33,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:33,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,891 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,891 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:33,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,892 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:33,896 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:33,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:33,959 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:33,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:33,965 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:33,966 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:33,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:33,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:33,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:33,966 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:33,968 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:33,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:33,974 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:34,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:34,015 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,015 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:34,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,016 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:34,020 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-10-20 06:34:34,020 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,033 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:34,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:34,071 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,071 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:34,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,071 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:34,073 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:34,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,079 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:34,115 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 06:34:34,118 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,118 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:34,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,118 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:34,120 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:34,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,126 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:34,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:34,166 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,166 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:34,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,167 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,170 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:34,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:34,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:34,202 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:34,206 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,206 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:34,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,213 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:34,213 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:34,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:34,218 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 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:34,249 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,249 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:34,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,249 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:34,251 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-20 06:34:34,252 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-20 06:34:34,258 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 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:34,283 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,283 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:34,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,283 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:34,284 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:34,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:34,287 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 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:34,318 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,318 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:34,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,319 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:34,319 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:34,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:34,321 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 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,343 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 06:34:34,344 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,344 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:34,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,345 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:34,346 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:34,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:34,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:34,373 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:34,377 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,377 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:34,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,378 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:34,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:34,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:34,383 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 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:34,408 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,408 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:34,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,408 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:34,411 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-10-20 06:34:34,411 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-10-20 06:34:34,422 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 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:34,445 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,445 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:34,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,446 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:34,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:34,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:34,449 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 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:34,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:34,490 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,491 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:34,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,491 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:34,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:34,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,504 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 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:34,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:34,549 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:34,549 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:34,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:34,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:34,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:34,550 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:34,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:34,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:34,581 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-10-20 06:34:34,582 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2020-10-20 06:34:34,582 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2020-10-20 06:34:34,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:34,582 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2020-10-20 06:34:34,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:34,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144564372] [2020-10-20 06:34:34,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:34,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:34,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:34,601 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:34,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:34,611 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2020-10-20 06:34:34,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:34,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678170229] [2020-10-20 06:34:34,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:34,620 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:34,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:34,625 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:34,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:34,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2020-10-20 06:34:34,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:34,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493132106] [2020-10-20 06:34:34,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:34:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:34:34,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493132106] [2020-10-20 06:34:34,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:34:34,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:34:34,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806226512] [2020-10-20 06:34:34,714 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:34,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:34,715 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:34,715 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:34,715 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:34:34,715 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:34,715 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:34,715 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:34,715 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-10-20 06:34:34,715 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:34,716 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:34,717 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 06:34:34,725 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 06:34:34,728 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 06:34:34,800 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:34,801 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:34,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:34,804 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 111 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 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:34,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:34:34,846 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,112 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:34:35,114 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:35,115 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:35,115 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:35,115 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:35,115 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:34:35,115 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,115 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:35,115 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:35,115 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-10-20 06:34:35,115 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:35,115 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:35,117 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 06:34:35,130 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 06:34:35,133 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 06:34:35,193 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:35,193 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:35,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:35,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:35,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,209 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 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:35,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:35,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:35,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,252 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 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:35,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:35,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:35,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:35,336 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:35,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,342 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:35,344 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:35,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,348 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 117 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 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,374 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:35,374 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:35,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,376 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 118 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 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:35,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,401 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:35,401 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:35,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:35,423 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 119 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 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,427 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:35,429 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:35,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,433 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 120 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 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,459 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 06:34:35,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,461 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:35,462 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:35,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,463 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 121 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 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,488 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:35,489 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:35,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:35,512 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 122 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 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,520 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:35,522 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:35,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,527 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 123 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 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,551 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:35,552 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:35,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,553 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 124 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 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:35,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,577 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:35,578 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:35,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:35,602 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 125 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 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,606 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,606 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:35,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,607 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:35,608 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:35,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,614 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 126 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 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,638 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:35,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,638 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:35,639 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:35,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,641 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 127 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 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:35,666 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,666 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:35,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,667 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:34:35,667 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:34:35,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:35,689 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 128 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 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,692 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 06:34:35,694 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,694 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:35,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,694 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:35,696 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:35,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,704 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 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:35,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,728 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,728 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:35,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,729 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,730 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:35,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,732 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 130 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 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,756 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-20 06:34:35,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,757 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:35,757 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:35,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:35,781 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 131 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,785 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,785 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:35,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,785 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:35,788 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:35,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,810 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 132 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 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:35,838 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,838 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:35,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,839 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:35,840 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:35,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 133 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 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,870 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,870 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:35,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,871 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:34:35,872 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:34:35,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:35,909 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:35,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,922 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,922 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:35,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,923 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:35,925 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:35,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,931 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 135 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 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,962 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 06:34:35,963 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,964 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:35,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,964 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:35,965 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:35,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,967 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 136 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 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:35,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:35,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:35,993 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:34:35,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:35,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:35,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:35,993 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:34:35,994 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:34:35,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:35,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:36,015 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 137 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 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:36,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:36,019 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:36,020 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:36,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:36,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:36,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:36,020 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:36,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:36,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:36,032 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 138 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 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:36,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:36,056 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:36,056 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:36,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:36,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:36,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:36,056 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:36,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:36,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:36,061 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 139 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 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:36,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:34:36,084 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:34:36,084 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-20 06:34:36,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:36,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:36,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:36,084 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-20 06:34:36,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:34:36,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:36,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:34:36,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:34:36,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:34:36,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:34:36,126 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2020-10-20 06:34:36,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:34:36,144 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2020-10-20 06:34:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:34:36,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2020-10-20 06:34:36,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:34:36,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2020-10-20 06:34:36,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-10-20 06:34:36,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-10-20 06:34:36,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2020-10-20 06:34:36,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:34:36,146 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-10-20 06:34:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2020-10-20 06:34:36,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-10-20 06:34:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 06:34:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-10-20 06:34:36,149 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-10-20 06:34:36,149 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-10-20 06:34:36,149 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:34:36,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2020-10-20 06:34:36,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:34:36,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:34:36,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:34:36,151 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 06:34:36,151 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:34:36,151 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2020-10-20 06:34:36,151 INFO L796 eck$LassoCheckResult]: Loop: 52#L18-2 assume !(0 != main_~debug~0); 53#L23-1 assume !!(main_~x~0 < 255); 56#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2020-10-20 06:34:36,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:36,152 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2020-10-20 06:34:36,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:36,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903279493] [2020-10-20 06:34:36,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:36,159 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:36,164 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:36,165 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:36,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:36,166 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2020-10-20 06:34:36,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:36,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34975119] [2020-10-20 06:34:36,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:36,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:36,177 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:36,178 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:36,179 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2020-10-20 06:34:36,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:36,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942464128] [2020-10-20 06:34:36,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:36,188 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:36,196 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:36,198 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:36,232 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:36,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:36,233 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:36,233 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:36,233 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:34:36,233 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:36,233 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:36,233 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:36,233 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2020-10-20 06:34:36,233 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:36,233 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:36,234 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 06:34:36,237 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 06:34:36,307 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:36,307 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:36,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:36,310 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:36,315 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:34:36,315 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:36,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:36,354 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 141 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 142 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 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:36,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:34:36,388 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:34:36,426 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:34:36,428 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:36,428 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:36,429 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:36,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:36,429 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:34:36,429 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:36,429 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:36,429 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:36,429 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2020-10-20 06:34:36,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:36,429 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:36,430 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 06:34:36,434 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 06:34:36,497 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:36,497 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 143 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 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:36,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:36,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:36,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:36,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:36,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:36,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:36,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:36,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:36,509 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 144 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 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:36,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 06:34:36,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:36,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:36,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:36,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:36,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:36,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:36,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:36,536 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:34:36,565 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 06:34:36,566 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:36,575 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:34:36,575 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:34:36,575 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:34:36,576 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] Waiting until toolchain timeout for monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:36,613 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 06:34:36,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:34:36,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:34:36,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:34:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:34:36,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:34:36,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:34:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:34:36,743 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 06:34:36,744 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2020-10-20 06:34:36,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 6 states. [2020-10-20 06:34:36,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:34:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:34:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2020-10-20 06:34:36,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2020-10-20 06:34:36,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:34:36,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2020-10-20 06:34:36,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:34:36,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2020-10-20 06:34:36,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:34:36,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-10-20 06:34:36,806 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:34:36,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-10-20 06:34:36,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:34:36,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:34:36,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:34:36,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:34:36,809 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:34:36,809 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:34:36,809 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:34:36,809 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 06:34:36,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:34:36,810 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:34:36,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:34:36,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:34:36 BoogieIcfgContainer [2020-10-20 06:34:36,825 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:34:36,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:34:36,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:34:36,828 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:34:36,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:27" (3/4) ... [2020-10-20 06:34:36,834 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:34:36,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:34:36,840 INFO L168 Benchmark]: Toolchain (without parser) took 10126.22 ms. Allocated memory was 40.4 MB in the beginning and 58.2 MB in the end (delta: 17.8 MB). Free memory was 16.6 MB in the beginning and 32.3 MB in the end (delta: -15.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:36,840 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 30.9 MB. Free memory was 16.6 MB in the beginning and 16.5 MB in the end (delta: 41.5 kB). Peak memory consumption was 41.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:34:36,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.29 ms. Allocated memory was 40.4 MB in the beginning and 40.9 MB in the end (delta: 524.3 kB). Free memory was 15.8 MB in the beginning and 15.3 MB in the end (delta: 490.5 kB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:36,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.31 ms. Allocated memory is still 40.9 MB. Free memory was 15.3 MB in the beginning and 13.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:36,842 INFO L168 Benchmark]: Boogie Preprocessor took 17.71 ms. Allocated memory is still 40.9 MB. Free memory was 13.8 MB in the beginning and 12.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:36,843 INFO L168 Benchmark]: RCFGBuilder took 237.20 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 12.6 MB in the beginning and 19.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:36,844 INFO L168 Benchmark]: BuchiAutomizer took 9494.64 ms. Allocated memory was 43.0 MB in the beginning and 58.2 MB in the end (delta: 15.2 MB). Free memory was 18.9 MB in the beginning and 32.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:36,849 INFO L168 Benchmark]: Witness Printer took 7.51 ms. Allocated memory is still 58.2 MB. Free memory was 32.8 MB in the beginning and 32.3 MB in the end (delta: 565.5 kB). Peak memory consumption was 565.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:34:36,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 30.9 MB. Free memory was 16.6 MB in the beginning and 16.5 MB in the end (delta: 41.5 kB). Peak memory consumption was 41.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 325.29 ms. Allocated memory was 40.4 MB in the beginning and 40.9 MB in the end (delta: 524.3 kB). Free memory was 15.8 MB in the beginning and 15.3 MB in the end (delta: 490.5 kB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 32.31 ms. Allocated memory is still 40.9 MB. Free memory was 15.3 MB in the beginning and 13.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 17.71 ms. Allocated memory is still 40.9 MB. Free memory was 13.8 MB in the beginning and 12.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 237.20 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 12.6 MB in the beginning and 19.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 9494.64 ms. Allocated memory was 43.0 MB in the beginning and 58.2 MB in the end (delta: 15.2 MB). Free memory was 18.9 MB in the beginning and 32.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * Witness Printer took 7.51 ms. Allocated memory is still 58.2 MB. Free memory was 32.8 MB in the beginning and 32.3 MB in the end (delta: 565.5 kB). Peak memory consumption was 565.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 9.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp81 ukn100 mio100 lsp100 div347 bol100 ite100 ukn100 eq148 hnf51 smp85 dnf100 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 27ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...