./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 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-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 0.1.25-906a4fb [2020-10-19 18:41:27,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:41:27,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:41:27,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:41:27,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:41:27,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:41:27,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:41:27,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:41:27,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:41:27,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:41:27,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:41:27,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:41:27,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:41:27,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:41:27,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:41:27,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:41:27,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:41:27,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:41:27,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:41:27,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:41:27,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:41:27,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:41:27,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:41:27,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:41:27,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:41:27,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:41:27,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:41:27,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:41:27,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:41:27,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:41:27,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:41:27,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:41:27,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:41:27,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:41:27,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:41:27,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:41:27,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:41:27,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:41:27,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:41:27,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:41:27,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:41:27,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:41:28,015 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:41:28,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:41:28,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:41:28,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:41:28,018 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:41:28,018 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:41:28,018 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:41:28,018 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:41:28,019 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:41:28,019 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:41:28,019 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:41:28,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:41:28,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:41:28,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:41:28,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:41:28,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:41:28,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:41:28,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:41:28,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:41:28,022 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:41:28,022 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:41:28,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:41:28,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:41:28,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:41:28,023 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:41:28,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:41:28,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:41:28,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:41:28,024 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:41:28,025 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:41:28,026 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 [2020-10-19 18:41:28,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:41:28,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:41:28,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:41:28,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:41:28,345 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:41:28,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-10-19 18:41:28,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93eaa0245/b1b5838c10dc4a5089aba7fbbdd5240d/FLAGd4350b657 [2020-10-19 18:41:28,790 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:41:28,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-10-19 18:41:28,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93eaa0245/b1b5838c10dc4a5089aba7fbbdd5240d/FLAGd4350b657 [2020-10-19 18:41:29,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93eaa0245/b1b5838c10dc4a5089aba7fbbdd5240d [2020-10-19 18:41:29,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:41:29,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:41:29,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:41:29,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:41:29,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:41:29,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfc4731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29, skipping insertion in model container [2020-10-19 18:41:29,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:41:29,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:41:29,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:41:29,437 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:41:29,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:41:29,468 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:41:29,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29 WrapperNode [2020-10-19 18:41:29,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:41:29,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:41:29,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:41:29,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:41:29,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:41:29,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:41:29,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:41:29,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:41:29,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (1/1) ... [2020-10-19 18:41:29,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:41:29,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:41:29,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:41:29,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:41:29,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (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 [2020-10-19 18:41:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:41:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:41:29,817 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:41:29,817 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-19 18:41:29,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:41:29 BoogieIcfgContainer [2020-10-19 18:41:29,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:41:29,820 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:41:29,820 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:41:29,824 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:41:29,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:41:29,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:41:29" (1/3) ... [2020-10-19 18:41:29,827 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a917611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:41:29, skipping insertion in model container [2020-10-19 18:41:29,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:41:29,828 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:41:29" (2/3) ... [2020-10-19 18:41:29,829 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a917611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:41:29, skipping insertion in model container [2020-10-19 18:41:29,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:41:29,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:41:29" (3/3) ... [2020-10-19 18:41:29,831 INFO L373 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-10-19 18:41:29,882 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:41:29,883 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:41:29,883 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:41:29,883 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:41:29,883 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:41:29,883 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:41:29,883 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:41:29,884 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:41:29,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-10-19 18:41:29,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-19 18:41:29,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:41:29,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:41:29,922 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-19 18:41:29,922 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 18:41:29,922 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:41:29,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-10-19 18:41:29,923 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-19 18:41:29,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:41:29,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:41:29,924 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-19 18:41:29,924 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 18:41:29,930 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2020-10-19 18:41:29,931 INFO L796 eck$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 [2020-10-19 18:41:29,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:29,936 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-19 18:41:29,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:29,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168206627] [2020-10-19 18:41:29,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:30,024 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:30,029 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:30,043 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:41:30,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:30,045 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2020-10-19 18:41:30,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:30,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71307008] [2020-10-19 18:41:30,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:30,074 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:30,083 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:30,085 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:41:30,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:30,088 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2020-10-19 18:41:30,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:30,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087379273] [2020-10-19 18:41:30,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:41:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:41:30,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087379273] [2020-10-19 18:41:30,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:41:30,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-19 18:41:30,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569416116] [2020-10-19 18:41:30,341 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:41:30,342 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:41:30,342 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:41:30,342 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:41:30,343 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 18:41:30,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:30,343 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:41:30,344 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:41:30,344 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2020-10-19 18:41:30,344 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:41:30,345 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:41:30,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:30,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:30,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:30,513 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:41:30,514 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) [2020-10-19 18:41:30,521 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 18:41:30,521 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:30,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 18:41:30,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 18:41:31,296 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 18:41:31,300 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:41:31,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:41:31,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:41:31,301 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:41:31,301 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:41:31,301 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:31,301 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:41:31,302 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:41:31,302 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2020-10-19 18:41:31,302 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:41:31,302 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:41:31,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:31,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:31,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:31,401 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:41:31,406 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) [2020-10-19 18:41:31,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:31,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:31,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:31,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:31,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:31,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:31,435 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) [2020-10-19 18:41:31,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:31,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:31,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,473 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:41:31,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:31,475 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:31,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:31,479 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 [2020-10-19 18:41:31,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:31,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:31,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:31,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:31,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:31,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:31,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:31,558 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 [2020-10-19 18:41:31,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:31,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:31,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:31,565 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:31,572 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:31,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:31,577 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 [2020-10-19 18:41:31,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:31,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:31,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,606 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:41:31,606 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:31,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:31,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:31,620 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 [2020-10-19 18:41:31,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:31,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:31,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:31,661 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:31,662 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:31,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:31,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:31,687 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 [2020-10-19 18:41:31,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:31,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:31,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:31,698 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:31,706 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:31,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:31,714 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 [2020-10-19 18:41:31,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:31,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:31,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,756 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:41:31,757 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:31,759 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-19 18:41:31,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:31,764 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) [2020-10-19 18:41:31,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 [2020-10-19 18:41:31,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:31,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:31,821 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:31,825 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:31,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:31,829 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:31,864 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) [2020-10-19 18:41:31,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:31,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:31,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:31,881 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:31,894 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:31,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:31,906 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:31,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:31,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:31,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:31,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:31,952 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:41:31,952 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:31,955 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-10-19 18:41:31,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:31,961 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 [2020-10-19 18:41:32,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:32,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,007 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:32,011 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:32,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:32,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:32,037 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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,041 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,042 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:32,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,042 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:32,055 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:32,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:32,070 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 [2020-10-19 18:41:32,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,098 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,098 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:32,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,099 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:41:32,099 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:32,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:32,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:32,109 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) [2020-10-19 18:41:32,155 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 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,157 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,157 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:32,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,158 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:32,160 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:32,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:32,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:32,195 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) [2020-10-19 18:41:32,207 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 [2020-10-19 18:41:32,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,210 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:32,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,211 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:32,216 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:32,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,227 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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,268 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,269 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:32,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,269 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:41:32,269 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:32,273 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-19 18:41:32,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:32,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:32,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,342 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:32,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,343 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:32,345 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:32,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:32,386 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) [2020-10-19 18:41:32,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,393 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,394 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:32,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,394 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 [2020-10-19 18:41:32,400 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:32,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:32,418 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) [2020-10-19 18:41:32,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,456 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,456 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:32,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,457 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:41:32,457 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:32,462 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-10-19 18:41:32,462 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 [2020-10-19 18:41:32,476 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) [2020-10-19 18:41:32,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,514 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,514 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:32,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,515 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,517 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:32,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:32,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:32,552 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 [2020-10-19 18:41:32,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,558 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,558 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:32,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,559 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:32,562 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:32,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:32,574 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) [2020-10-19 18:41:32,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,612 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:32,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,613 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:41:32,613 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:32,615 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-19 18:41:32,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,623 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) [2020-10-19 18:41:32,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,662 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,663 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:32,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,663 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:32,665 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:32,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:32,702 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) [2020-10-19 18:41:32,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,709 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:32,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,710 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:32,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:32,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,726 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) [2020-10-19 18:41:32,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,769 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,769 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:32,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,770 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:41:32,770 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:32,775 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-19 18:41:32,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:32,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:32,821 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:32,822 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:32,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:32,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:32,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:32,822 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:32,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:32,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:32,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:32,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:41:32,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:41:32,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:41:32,865 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2020-10-19 18:41:32,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:41:32,874 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2020-10-19 18:41:32,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:41:32,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2020-10-19 18:41:32,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-19 18:41:32,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2020-10-19 18:41:32,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-10-19 18:41:32,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-10-19 18:41:32,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2020-10-19 18:41:32,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:41:32,886 INFO L691 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-10-19 18:41:32,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2020-10-19 18:41:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2020-10-19 18:41:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 18:41:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2020-10-19 18:41:32,916 INFO L714 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-10-19 18:41:32,916 INFO L594 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-10-19 18:41:32,916 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:41:32,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2020-10-19 18:41:32,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-19 18:41:32,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:41:32,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:41:32,917 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-19 18:41:32,917 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 18:41:32,918 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2020-10-19 18:41:32,918 INFO L796 eck$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 [2020-10-19 18:41:32,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:32,918 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2020-10-19 18:41:32,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:32,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946499615] [2020-10-19 18:41:32,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:32,922 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:32,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:32,930 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:41:32,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:32,931 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2020-10-19 18:41:32,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:32,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224239501] [2020-10-19 18:41:32,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:32,942 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:32,948 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:32,949 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:41:32,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:32,950 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2020-10-19 18:41:32,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:32,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699919071] [2020-10-19 18:41:32,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:32,957 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:32,963 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:32,965 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:41:33,008 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:41:33,008 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:41:33,008 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:41:33,008 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:41:33,009 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 18:41:33,009 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:33,009 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:41:33,009 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:41:33,009 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-10-19 18:41:33,009 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:41:33,010 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:41:33,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:33,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:33,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:33,130 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:41:33,130 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) [2020-10-19 18:41:33,138 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 18:41:33,139 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) [2020-10-19 18:41:33,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 18:41:33,188 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 [2020-10-19 18:41:33,516 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 18:41:33,519 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:41:33,519 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:41:33,519 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:41:33,520 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:41:33,520 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:41:33,520 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:33,520 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:41:33,520 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:41:33,521 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-10-19 18:41:33,521 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:41:33,521 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:41:33,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:33,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:33,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:33,615 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:41:33,615 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) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:33,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:33,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:33,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:33,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:33,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:33,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:33,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:33,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:33,626 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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:33,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:33,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:33,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:33,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:33,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:33,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:33,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:33,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:33,657 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) [2020-10-19 18:41:33,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:33,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:33,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:33,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:33,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:33,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:33,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:33,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:33,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:33,731 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 [2020-10-19 18:41:33,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:33,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:33,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:33,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:33,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:33,735 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:33,737 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:33,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:33,740 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 [2020-10-19 18:41:33,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:33,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:33,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:33,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:33,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:33,767 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:33,769 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:33,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:33,770 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) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:33,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:33,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:33,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:33,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:33,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:33,797 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:33,798 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:33,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:33,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:33,822 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 [2020-10-19 18:41:33,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:33,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:33,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:33,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:33,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:33,827 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:33,832 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:33,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:33,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:33,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:33,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:33,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:33,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:33,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:33,882 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:33,883 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:33,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:33,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:33,920 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 [2020-10-19 18:41:33,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:33,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:33,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:33,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:33,922 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:33,923 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:33,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:33,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:33,958 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) [2020-10-19 18:41:33,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:33,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:33,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:33,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:33,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:33,963 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:33,966 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:33,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:33,974 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 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 [2020-10-19 18:41:34,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:34,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:34,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,006 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:34,007 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:34,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:34,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:34,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:34,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,035 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:34,036 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:34,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:34,060 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 [2020-10-19 18:41:34,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:34,063 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,064 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:34,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,064 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:34,066 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:34,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,073 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 [2020-10-19 18:41:34,100 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 [2020-10-19 18:41:34,104 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,104 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:34,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,105 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:34,106 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:34,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,113 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) [2020-10-19 18:41:34,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:34,149 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,149 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:34,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,150 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:34,151 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:34,151 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 [2020-10-19 18:41:34,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:34,177 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 [2020-10-19 18:41:34,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:34,184 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,185 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:34,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,185 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:34,189 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:34,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,198 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) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:34,220 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 [2020-10-19 18:41:34,222 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,222 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:34,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,222 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:34,224 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:34,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,227 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) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:34,251 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 [2020-10-19 18:41:34,253 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,253 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:34,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,254 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:34,255 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:34,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:34,293 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) [2020-10-19 18:41:34,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:34,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,299 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:34,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,299 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:34,303 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:34,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,327 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) [2020-10-19 18:41:34,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 [2020-10-19 18:41:34,355 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,355 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:34,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,355 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:34,357 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:34,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,363 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 [2020-10-19 18:41:34,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:34,392 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,393 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:34,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,393 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:34,395 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:34,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,400 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:34,431 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) [2020-10-19 18:41:34,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:34,436 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,437 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:34,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,437 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:34,440 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:34,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:34,446 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 [2020-10-19 18:41:34,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:34,470 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,470 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:34,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,470 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:34,471 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:34,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:34,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:34,498 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,498 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:34,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,499 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:34,500 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:34,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:34,524 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 [2020-10-19 18:41:34,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:34,529 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,529 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:34,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,530 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:34,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:34,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,545 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 [2020-10-19 18:41:34,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:34,568 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,568 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:34,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,569 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:34,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:34,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,574 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 [2020-10-19 18:41:34,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:34,606 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:34,606 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:34,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:34,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:34,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:34,606 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:34,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:34,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:34,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:34,646 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:41:34,646 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:41:34,646 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:41:34,646 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:41:34,646 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 18:41:34,646 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:34,647 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:41:34,647 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:41:34,647 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2020-10-19 18:41:34,647 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:41:34,647 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:41:34,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:34,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:34,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:34,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:34,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:34,758 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:41:34,758 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) [2020-10-19 18:41:34,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 18:41:34,766 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:34,773 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 18:41:34,773 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) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:34,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 18:41:34,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 18:41:34,814 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 18:41:34,814 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 [2020-10-19 18:41:34,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 18:41:34,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 18:41:34,845 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 18:41:34,845 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 [2020-10-19 18:41:34,868 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 18:41:34,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 18:41:34,877 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 18:41:34,877 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) [2020-10-19 18:41:34,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 18:41:34,920 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) [2020-10-19 18:41:34,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 18:41:34,975 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 [2020-10-19 18:41:35,277 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 18:41:35,278 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:41:35,278 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:41:35,279 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:41:35,279 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:41:35,279 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:41:35,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:35,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:41:35,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:41:35,280 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2020-10-19 18:41:35,280 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:41:35,280 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:41:35,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:35,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:35,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:35,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:35,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:35,385 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:41:35,385 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) [2020-10-19 18:41:35,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:35,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:35,405 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 [2020-10-19 18:41:35,411 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) [2020-10-19 18:41:35,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:35,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:35,451 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 [2020-10-19 18:41:35,459 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) [2020-10-19 18:41:35,498 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 [2020-10-19 18:41:35,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:35,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:35,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:35,504 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:35,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:35,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:35,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:35,549 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:35,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:35,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:35,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:35,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:35,627 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 [2020-10-19 18:41:35,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,631 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:35,632 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:35,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:35,633 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) [2020-10-19 18:41:35,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:35,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,659 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:35,661 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-19 18:41:35,661 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-10-19 18:41:35,666 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) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:35,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,694 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:35,694 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:35,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:35,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:35,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,725 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:35,726 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:35,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:35,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-19 18:41:35,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,750 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:35,751 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:35,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:35,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:35,776 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 [2020-10-19 18:41:35,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,779 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:35,780 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:35,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:35,782 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 [2020-10-19 18:41:35,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,806 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:35,808 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-19 18:41:35,808 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-19 18:41:35,815 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 [2020-10-19 18:41:35,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,840 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:35,842 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:35,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:35,847 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 [2020-10-19 18:41:35,869 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 [2020-10-19 18:41:35,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,871 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:35,872 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:35,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:35,873 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 [2020-10-19 18:41:35,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,902 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:35,907 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:35,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:35,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:35,943 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) [2020-10-19 18:41:35,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:35,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,951 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:35,952 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:35,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:35,955 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) [2020-10-19 18:41:35,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:35,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:35,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:35,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:35,997 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:36,001 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-10-19 18:41:36,002 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:36,010 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) [2020-10-19 18:41:36,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:36,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:36,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,047 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:36,047 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:36,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:36,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:36,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:36,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,074 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:36,074 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:36,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:36,077 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 [2020-10-19 18:41:36,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:36,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,100 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:36,103 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:36,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:36,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:36,131 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 [2020-10-19 18:41:36,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,135 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,135 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:36,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,136 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:36,136 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:36,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:36,139 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 [2020-10-19 18:41:36,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,164 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,165 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:36,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,165 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:36,167 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-19 18:41:36,168 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-10-19 18:41:36,179 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) [2020-10-19 18:41:36,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,219 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,219 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:36,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,220 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:36,220 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:36,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:36,224 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) [2020-10-19 18:41:36,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,265 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,266 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:36,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,266 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:36,268 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:36,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:36,273 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) [2020-10-19 18:41:36,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,328 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,329 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:36,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,329 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:36,332 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:36,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:36,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:36,390 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) [2020-10-19 18:41:36,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,414 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,414 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:36,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,415 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:36,416 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:36,416 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 [2020-10-19 18:41:36,422 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:36,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,494 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,494 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:36,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,495 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:36,500 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-19 18:41:36,500 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 [2020-10-19 18:41:36,516 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) [2020-10-19 18:41:36,575 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 [2020-10-19 18:41:36,578 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,578 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:36,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,579 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:36,581 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:36,581 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 [2020-10-19 18:41:36,587 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) [2020-10-19 18:41:36,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,647 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,648 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:36,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,648 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:36,652 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:36,652 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 [2020-10-19 18:41:36,658 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) [2020-10-19 18:41:36,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,720 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:36,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,720 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:36,724 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:36,724 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 [2020-10-19 18:41:36,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:36,775 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) [2020-10-19 18:41:36,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,786 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,787 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:36,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,787 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:36,789 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:36,790 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 [2020-10-19 18:41:36,796 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) [2020-10-19 18:41:36,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,838 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,838 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:36,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,839 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:36,843 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-10-19 18:41:36,843 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 [2020-10-19 18:41:36,855 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) [2020-10-19 18:41:36,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,899 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:36,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,899 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:36,903 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:36,903 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 [2020-10-19 18:41:36,909 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) [2020-10-19 18:41:36,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:36,951 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:36,951 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:36,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:36,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:36,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:36,951 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:36,953 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:36,953 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 [2020-10-19 18:41:36,961 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) [2020-10-19 18:41:37,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,003 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,003 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:37,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:37,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,003 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:37,007 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:37,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:37,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:37,063 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) [2020-10-19 18:41:37,068 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 [2020-10-19 18:41:37,070 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,070 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:37,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:37,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,071 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:37,072 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:37,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:37,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-19 18:41:37,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,099 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,099 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:37,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,100 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:37,102 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-19 18:41:37,102 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-19 18:41:37,110 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 [2020-10-19 18:41:37,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,135 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,135 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:37,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:37,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,135 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:37,136 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:37,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:37,144 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) [2020-10-19 18:41:37,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,180 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,180 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:37,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:37,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,180 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:37,181 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:37,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:37,185 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 [2020-10-19 18:41:37,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,219 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,219 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:37,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:37,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,219 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:37,221 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:37,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:37,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:37,256 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 [2020-10-19 18:41:37,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,260 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:37,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:37,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,261 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:37,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:37,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:37,265 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 [2020-10-19 18:41:37,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,291 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,291 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:37,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,291 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:37,295 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-10-19 18:41:37,295 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-10-19 18:41:37,307 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 [2020-10-19 18:41:37,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,330 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,331 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:37,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:37,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,331 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:37,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:37,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:37,334 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) [2020-10-19 18:41:37,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,382 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:37,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:37,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,383 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:37,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:37,384 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 [2020-10-19 18:41:37,393 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) Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:37,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,417 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:37,417 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:37,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:37,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,417 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:37,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:37,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:37,432 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:37,452 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-10-19 18:41:37,452 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2020-10-19 18:41:37,452 INFO L796 eck$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 [2020-10-19 18:41:37,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:37,453 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2020-10-19 18:41:37,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:37,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207202593] [2020-10-19 18:41:37,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:37,459 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:37,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:37,466 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:41:37,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:37,466 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2020-10-19 18:41:37,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:37,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748514385] [2020-10-19 18:41:37,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:37,474 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:37,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:37,480 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:41:37,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:37,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2020-10-19 18:41:37,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:37,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024380157] [2020-10-19 18:41:37,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:41:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:41:37,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024380157] [2020-10-19 18:41:37,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:41:37,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:41:37,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510515803] [2020-10-19 18:41:37,638 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:41:37,639 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:41:37,639 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:41:37,639 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:41:37,639 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 18:41:37,639 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:37,639 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:41:37,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:41:37,640 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-10-19 18:41:37,640 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:41:37,640 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:41:37,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:37,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:37,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:37,719 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:41:37,719 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) [2020-10-19 18:41:37,728 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 18:41:37,728 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) Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:37,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 18:41:37,768 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 18:41:37,899 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 18:41:37,901 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:41:37,901 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:41:37,901 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:41:37,901 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:41:37,901 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:41:37,901 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:37,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:41:37,902 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:41:37,902 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-10-19 18:41:37,902 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:41:37,902 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:41:37,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:37,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:37,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:37,976 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:41:37,976 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) [2020-10-19 18:41:37,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:37,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:37,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:37,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:37,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:37,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:37,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:37,988 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 [2020-10-19 18:41:37,991 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) [2020-10-19 18:41:38,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:38,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:38,031 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 [2020-10-19 18:41:38,033 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 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:38,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:38,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:38,075 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 [2020-10-19 18:41:38,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:38,116 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) [2020-10-19 18:41:38,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,121 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:38,123 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:38,123 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 [2020-10-19 18:41:38,127 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) [2020-10-19 18:41:38,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,163 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:38,164 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:38,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:38,166 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) [2020-10-19 18:41:38,204 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 [2020-10-19 18:41:38,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,206 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:38,207 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:38,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:38,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:38,244 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) [2020-10-19 18:41:38,247 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 [2020-10-19 18:41:38,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,249 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:38,251 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:38,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:38,256 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) [2020-10-19 18:41:38,291 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 [2020-10-19 18:41:38,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,293 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:38,294 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:38,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:38,297 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 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:41:38,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:38,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,333 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:38,334 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:38,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:38,355 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 [2020-10-19 18:41:38,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,358 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:38,361 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:38,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,366 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 [2020-10-19 18:41:38,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,398 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:38,398 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:38,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,401 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 [2020-10-19 18:41:38,422 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 [2020-10-19 18:41:38,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:38,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,428 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:38,429 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:38,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:38,460 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 [2020-10-19 18:41:38,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,464 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,464 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:38,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,465 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:38,466 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:38,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,473 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 [2020-10-19 18:41:38,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,497 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,497 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:38,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,498 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:38,499 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:38,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,501 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 [2020-10-19 18:41:38,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,526 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:38,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,526 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 18:41:38,527 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 18:41:38,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:38,550 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 [2020-10-19 18:41:38,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,556 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,556 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:38,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,556 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:38,559 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:38,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,568 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) [2020-10-19 18:41:38,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:38,593 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,593 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:38,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,593 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:38,594 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:38,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,597 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) [2020-10-19 18:41:38,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:38,624 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,624 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-10-19 18:41:38,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,625 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:38,625 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:38,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:38,650 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) [2020-10-19 18:41:38,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,655 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,655 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:38,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,656 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:38,659 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:38,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:38,674 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 [2020-10-19 18:41:38,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,697 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,697 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:38,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,698 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:38,699 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:38,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,707 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 [2020-10-19 18:41:38,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,731 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,731 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:38,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,731 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-19 18:41:38,733 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-19 18:41:38,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:38,774 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) Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:38,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,779 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:38,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,779 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:38,781 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:38,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,788 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 [2020-10-19 18:41:38,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,823 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,824 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:38,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,824 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:38,825 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:38,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,828 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 [2020-10-19 18:41:38,852 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 [2020-10-19 18:41:38,854 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,854 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-19 18:41:38,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,855 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-19 18:41:38,855 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 18:41:38,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:38,881 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 [2020-10-19 18:41:38,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,887 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,887 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:38,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,888 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:38,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:38,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,902 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 [2020-10-19 18:41:38,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,926 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,926 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:38,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,927 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:38,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:38,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,933 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 [2020-10-19 18:41:38,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:38,956 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-19 18:41:38,956 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-10-19 18:41:38,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:38,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:38,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:38,957 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-10-19 18:41:38,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:41:38,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:38,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 18:41:38,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:41:38,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:41:38,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:41:38,986 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2020-10-19 18:41:39,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:41:39,002 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2020-10-19 18:41:39,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:41:39,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2020-10-19 18:41:39,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-19 18:41:39,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2020-10-19 18:41:39,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-10-19 18:41:39,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-10-19 18:41:39,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2020-10-19 18:41:39,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:41:39,006 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-10-19 18:41:39,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2020-10-19 18:41:39,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-10-19 18:41:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-19 18:41:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-10-19 18:41:39,008 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-10-19 18:41:39,008 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-10-19 18:41:39,008 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 18:41:39,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2020-10-19 18:41:39,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-19 18:41:39,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:41:39,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:41:39,010 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 18:41:39,010 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 18:41:39,010 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2020-10-19 18:41:39,010 INFO L796 eck$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 [2020-10-19 18:41:39,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:39,010 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2020-10-19 18:41:39,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:39,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604488141] [2020-10-19 18:41:39,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:39,016 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:39,020 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:39,022 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:41:39,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:39,022 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2020-10-19 18:41:39,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:39,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565885836] [2020-10-19 18:41:39,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:39,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:39,032 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:39,033 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:41:39,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:39,033 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2020-10-19 18:41:39,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:41:39,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89446863] [2020-10-19 18:41:39,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:41:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:39,042 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:41:39,049 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:41:39,051 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:41:39,084 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:41:39,084 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:41:39,084 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:41:39,084 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:41:39,085 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 18:41:39,085 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:39,085 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:41:39,085 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:41:39,085 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2020-10-19 18:41:39,085 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:41:39,085 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:41:39,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:39,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:39,168 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:41:39,168 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) Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:39,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 18:41:39,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 18:41:39,174 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 18:41:39,174 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) Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:39,197 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 18:41:39,197 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-10-19 18:41:39,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 18:41:39,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 18:41:39,250 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 18:41:39,251 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:41:39,251 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:41:39,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:41:39,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:41:39,252 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:41:39,252 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:39,252 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:41:39,252 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:41:39,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2020-10-19 18:41:39,252 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:41:39,252 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:41:39,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:39,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:41:39,328 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:41:39,328 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) [2020-10-19 18:41:39,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:39,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:39,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:39,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:39,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:39,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:41:39,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:39,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:39,342 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 [2020-10-19 18:41:39,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:41:39,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:41:39,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:41:39,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:41:39,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:41:39,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:41:39,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:41:39,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:41:39,369 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:41:39,378 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 18:41:39,378 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) [2020-10-19 18:41:39,405 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:41:39,405 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 18:41:39,405 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:41:39,406 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 [2020-10-19 18:41:39,431 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 18:41:39,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:41:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:41:39,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:41:39,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:41:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:41:39,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 18:41:39,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:41:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:41:39,507 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 [2020-10-19 18:41:39,508 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2020-10-19 18:41:39,552 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. [2020-10-19 18:41:39,553 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 [2020-10-19 18:41:39,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 18:41:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2020-10-19 18:41:39,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2020-10-19 18:41:39,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:41:39,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2020-10-19 18:41:39,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:41:39,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2020-10-19 18:41:39,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:41:39,560 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-10-19 18:41:39,562 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:41:39,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-10-19 18:41:39,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:41:39,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:41:39,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:41:39,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:41:39,563 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:41:39,563 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:41:39,563 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:41:39,563 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 18:41:39,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:41:39,563 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:41:39,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:41:39,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:41:39 BoogieIcfgContainer [2020-10-19 18:41:39,572 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:41:39,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:41:39,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:41:39,573 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:41:39,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:41:29" (3/4) ... [2020-10-19 18:41:39,578 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:41:39,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:41:39,586 INFO L168 Benchmark]: Toolchain (without parser) took 10409.70 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.9 MB). Free memory was 953.3 MB in the beginning and 1.3 GB in the end (delta: -332.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:41:39,586 INFO L168 Benchmark]: CDTParser took 2.82 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:41:39,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.40 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:41:39,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.75 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:41:39,588 INFO L168 Benchmark]: Boogie Preprocessor took 80.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:41:39,589 INFO L168 Benchmark]: RCFGBuilder took 236.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:41:39,589 INFO L168 Benchmark]: BuchiAutomizer took 9751.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -181.3 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:41:39,590 INFO L168 Benchmark]: Witness Printer took 6.40 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:41:39,596 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.82 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.40 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.75 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 236.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9751.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -181.3 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.40 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program 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 9.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 9.4s. 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: 26ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...