./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 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 0.2.1-dev-20ed64e [2021-08-27 13:57:16,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 13:57:16,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 13:57:16,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 13:57:16,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 13:57:16,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 13:57:16,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 13:57:16,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 13:57:16,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 13:57:16,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 13:57:16,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 13:57:16,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 13:57:16,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 13:57:16,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 13:57:16,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 13:57:16,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 13:57:16,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 13:57:16,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 13:57:16,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 13:57:16,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 13:57:16,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 13:57:16,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 13:57:16,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 13:57:16,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 13:57:16,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 13:57:16,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 13:57:16,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 13:57:16,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 13:57:16,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 13:57:16,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 13:57:16,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 13:57:16,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 13:57:16,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 13:57:16,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 13:57:16,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 13:57:16,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 13:57:16,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 13:57:16,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 13:57:16,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 13:57:16,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 13:57:16,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 13:57:16,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 13:57:16,435 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 13:57:16,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 13:57:16,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 13:57:16,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 13:57:16,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 13:57:16,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 13:57:16,439 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 13:57:16,439 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 13:57:16,439 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 13:57:16,439 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 13:57:16,440 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 13:57:16,440 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 13:57:16,440 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 13:57:16,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 13:57:16,441 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 13:57:16,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 13:57:16,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 13:57:16,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 13:57:16,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 13:57:16,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 13:57:16,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 13:57:16,442 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 13:57:16,442 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 13:57:16,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 13:57:16,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 13:57:16,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 13:57:16,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 13:57:16,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 13:57:16,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 13:57:16,444 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 13:57:16,444 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc157475d6c321934f68f6b441d83c0582720461 [2021-08-27 13:57:16,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 13:57:16,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 13:57:16,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 13:57:16,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 13:57:16,771 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 13:57:16,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-08-27 13:57:16,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f686a743c/b6b6a315c6604d938cf755584191d7b4/FLAG7f288af2b [2021-08-27 13:57:17,376 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 13:57:17,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-08-27 13:57:17,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f686a743c/b6b6a315c6604d938cf755584191d7b4/FLAG7f288af2b [2021-08-27 13:57:17,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f686a743c/b6b6a315c6604d938cf755584191d7b4 [2021-08-27 13:57:17,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 13:57:17,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 13:57:17,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 13:57:17,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 13:57:17,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 13:57:17,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 01:57:17" (1/1) ... [2021-08-27 13:57:17,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3030edca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:17, skipping insertion in model container [2021-08-27 13:57:17,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 01:57:17" (1/1) ... [2021-08-27 13:57:17,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 13:57:17,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 13:57:18,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 13:57:18,033 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 13:57:18,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 13:57:18,057 INFO L208 MainTranslator]: Completed translation [2021-08-27 13:57:18,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18 WrapperNode [2021-08-27 13:57:18,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 13:57:18,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 13:57:18,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 13:57:18,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 13:57:18,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (1/1) ... [2021-08-27 13:57:18,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (1/1) ... [2021-08-27 13:57:18,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 13:57:18,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 13:57:18,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 13:57:18,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 13:57:18,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (1/1) ... [2021-08-27 13:57:18,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (1/1) ... [2021-08-27 13:57:18,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (1/1) ... [2021-08-27 13:57:18,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (1/1) ... [2021-08-27 13:57:18,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (1/1) ... [2021-08-27 13:57:18,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (1/1) ... [2021-08-27 13:57:18,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (1/1) ... [2021-08-27 13:57:18,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 13:57:18,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 13:57:18,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 13:57:18,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 13:57:18,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (1/1) ... [2021-08-27 13:57:18,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:18,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:18,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:18,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 13:57:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 13:57:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 13:57:18,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 13:57:18,359 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-27 13:57:18,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:57:18 BoogieIcfgContainer [2021-08-27 13:57:18,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 13:57:18,362 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 13:57:18,363 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 13:57:18,365 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 13:57:18,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 13:57:18,366 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 01:57:17" (1/3) ... [2021-08-27 13:57:18,367 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@393e8681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 01:57:18, skipping insertion in model container [2021-08-27 13:57:18,367 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 13:57:18,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:57:18" (2/3) ... [2021-08-27 13:57:18,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@393e8681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 01:57:18, skipping insertion in model container [2021-08-27 13:57:18,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 13:57:18,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:57:18" (3/3) ... [2021-08-27 13:57:18,370 INFO L389 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-08-27 13:57:18,420 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 13:57:18,421 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 13:57:18,421 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 13:57:18,421 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 13:57:18,421 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 13:57:18,421 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 13:57:18,421 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 13:57:18,422 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 13:57:18,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 13:57:18,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 13:57:18,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 13:57:18,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 13:57:18,451 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-27 13:57:18,452 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 13:57:18,452 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 13:57:18,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 13:57:18,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 13:57:18,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 13:57:18,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 13:57:18,454 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-27 13:57:18,454 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 13:57:18,459 INFO L791 eck$LassoCheckResult]: Stem: 6#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; 9#L23-1true [2021-08-27 13:57:18,460 INFO L793 eck$LassoCheckResult]: Loop: 9#L23-1true assume !!(main_~x~0 < 255); 5#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; 8#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 9#L23-1true [2021-08-27 13:57:18,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:18,471 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-08-27 13:57:18,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:18,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991720085] [2021-08-27 13:57:18,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:18,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:18,556 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 13:57:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:18,580 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 13:57:18,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:18,583 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2021-08-27 13:57:18,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:18,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770838737] [2021-08-27 13:57:18,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:18,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:18,611 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 13:57:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:18,633 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 13:57:18,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:18,636 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2021-08-27 13:57:18,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:18,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819489833] [2021-08-27 13:57:18,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:18,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 13:57:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 13:57:18,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 13:57:18,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819489833] [2021-08-27 13:57:18,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819489833] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 13:57:18,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 13:57:18,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-27 13:57:18,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474309560] [2021-08-27 13:57:18,823 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 13:57:18,824 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 13:57:18,824 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 13:57:18,824 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 13:57:18,824 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 13:57:18,824 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:18,824 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 13:57:18,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 13:57:18,825 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2021-08-27 13:57:18,825 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 13:57:18,825 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 13:57:18,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:18,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:18,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:19,096 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 13:57:19,096 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 13:57:19,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:19,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:19,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:19,108 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 13:57:19,109 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:19,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 13:57:19,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 13:57:19,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:19,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:19,151 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:19,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 13:57:19,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 13:57:19,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:19,597 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 13:57:19,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:19,601 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 13:57:19,601 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 13:57:19,601 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 13:57:19,601 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 13:57:19,601 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 13:57:19,601 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:19,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 13:57:19,602 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 13:57:19,602 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2021-08-27 13:57:19,602 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 13:57:19,602 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 13:57:19,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:19,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:19,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:19,753 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 13:57:19,757 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 13:57:19,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:19,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:19,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:19,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 13:57:19,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:19,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:19,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:19,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:19,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:19,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:19,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:19,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:19,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:19,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:19,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:19,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:19,814 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:19,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 13:57:19,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:19,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:19,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:19,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:19,824 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 13:57:19,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:19,826 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:19,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:19,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:19,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:19,866 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:19,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:19,867 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:19,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 13:57:19,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:19,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:19,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:19,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:19,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:19,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:19,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:19,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:19,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:19,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:19,913 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 13:57:19,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:19,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:19,914 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:19,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 13:57:19,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:19,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:19,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:19,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:19,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:19,923 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:19,927 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:19,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:19,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:19,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:19,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:19,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:19,964 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:19,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 13:57:19,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:19,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:19,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:19,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:19,973 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 13:57:19,973 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:19,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:19,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:19,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:19,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,001 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 13:57:20,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:20,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,010 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:20,011 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:20,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,027 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 13:57:20,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,029 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 13:57:20,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:20,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,047 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:20,051 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:20,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,117 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 13:57:20,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:20,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,133 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 13:57:20,133 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:20,135 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 13:57:20,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,170 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:20,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,196 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:20,198 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:20,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 13:57:20,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,243 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 13:57:20,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,244 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 13:57:20,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:20,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,258 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:20,268 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:20,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,321 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 13:57:20,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:20,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,331 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 13:57:20,331 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:20,334 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-08-27 13:57:20,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-08-27 13:57:20,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,353 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 13:57:20,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:20,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,365 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:20,367 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:20,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,417 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 13:57:20,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,418 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,436 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:20,436 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:20,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,437 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:20,441 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:20,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 13:57:20,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,491 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 13:57:20,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,502 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:20,502 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:20,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,502 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 13:57:20,502 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:20,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:20,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,534 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 13:57:20,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,542 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:20,542 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:20,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,543 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:20,544 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:20,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,585 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 13:57:20,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,586 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,599 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:20,599 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:20,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,600 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:20,604 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:20,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-27 13:57:20,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,636 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-27 13:57:20,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,644 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:20,645 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:20,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,645 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 13:57:20,645 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:20,648 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 13:57:20,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,688 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-27 13:57:20,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,711 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:20,712 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:20,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,712 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:20,714 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:20,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,745 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 13:57:20,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,748 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-27 13:57:20,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,758 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:20,758 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:20,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,758 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:20,763 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:20,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-08-27 13:57:20,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,797 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-27 13:57:20,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:20,816 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:20,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,817 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 13:57:20,817 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:20,820 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-08-27 13:57:20,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,873 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-27 13:57:20,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,882 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:20,882 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:20,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,882 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:20,885 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:20,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,912 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 13:57:20,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,913 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-27 13:57:20,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:20,921 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:20,921 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:20,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:20,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:20,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:20,921 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:20,931 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:20,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:20,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:20,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:20,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:20,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:20,990 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:20,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,004 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:21,004 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:21,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,005 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 13:57:21,005 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:21,007 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 13:57:21,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-27 13:57:21,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:21,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,044 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,056 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:21,056 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:21,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:21,057 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:21,058 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:21,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-27 13:57:21,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:21,099 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 13:57:21,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,100 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:21,110 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:21,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:21,111 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:21,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:21,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-27 13:57:21,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:21,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,164 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,174 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:21,175 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:21,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,175 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 13:57:21,175 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:21,178 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 13:57:21,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-27 13:57:21,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:21,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,220 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-27 13:57:21,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,231 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:21,231 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:21,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:21,231 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:21,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:21,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:21,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 13:57:21,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 13:57:21,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 13:57:21,287 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 13:57:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 13:57:21,296 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2021-08-27 13:57:21,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 13:57:21,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2021-08-27 13:57:21,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 13:57:21,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2021-08-27 13:57:21,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-08-27 13:57:21,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-08-27 13:57:21,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2021-08-27 13:57:21,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 13:57:21,302 INFO L681 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-08-27 13:57:21,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2021-08-27 13:57:21,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2021-08-27 13:57:21,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 13:57:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2021-08-27 13:57:21,321 INFO L704 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-08-27 13:57:21,321 INFO L587 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-08-27 13:57:21,321 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 13:57:21,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2021-08-27 13:57:21,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 13:57:21,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 13:57:21,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 13:57:21,322 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-27 13:57:21,322 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 13:57:21,322 INFO L791 eck$LassoCheckResult]: Stem: 29#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; 30#L23-1 [2021-08-27 13:57:21,322 INFO L793 eck$LassoCheckResult]: Loop: 30#L23-1 assume !!(main_~x~0 < 255); 27#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; 28#L18-2 assume !(0 != main_~debug~0); 30#L23-1 [2021-08-27 13:57:21,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:21,323 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-08-27 13:57:21,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:21,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787479370] [2021-08-27 13:57:21,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:21,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:21,326 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 13:57:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:21,328 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 13:57:21,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:21,329 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2021-08-27 13:57:21,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:21,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723562675] [2021-08-27 13:57:21,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:21,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:21,334 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 13:57:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:21,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 13:57:21,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:21,340 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2021-08-27 13:57:21,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:21,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965784502] [2021-08-27 13:57:21,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:21,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:21,350 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 13:57:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:21,370 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 13:57:21,396 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 13:57:21,396 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 13:57:21,396 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 13:57:21,396 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 13:57:21,397 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 13:57:21,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 13:57:21,397 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 13:57:21,397 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-08-27 13:57:21,397 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 13:57:21,397 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 13:57:21,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:21,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:21,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:21,489 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 13:57:21,489 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 13:57:21,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,490 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-27 13:57:21,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 13:57:21,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:21,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:21,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,534 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-27 13:57:21,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 13:57:21,537 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:21,657 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 13:57:21,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:21,660 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 13:57:21,660 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 13:57:21,660 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 13:57:21,660 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 13:57:21,660 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 13:57:21,660 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,660 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 13:57:21,660 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 13:57:21,661 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-08-27 13:57:21,661 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 13:57:21,661 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 13:57:21,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:21,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:21,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:21,759 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 13:57:21,759 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 13:57:21,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,761 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:21,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:21,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:21,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-27 13:57:21,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:21,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:21,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,809 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-27 13:57:21,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:21,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:21,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:21,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:21,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:21,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,839 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-27 13:57:21,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:21,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:21,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:21,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:21,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-08-27 13:57:21,871 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 13:57:21,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,872 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-27 13:57:21,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:21,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:21,880 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:21,882 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:21,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-08-27 13:57:21,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,900 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-27 13:57:21,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:21,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:21,912 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:21,913 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:21,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-08-27 13:57:21,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,930 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-27 13:57:21,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:21,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:21,938 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:21,939 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:21,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-27 13:57:21,963 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 13:57:21,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:21,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:21,964 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:21,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-27 13:57:21,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:21,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:21,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:21,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:21,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:21,972 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:21,974 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:21,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:21,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:21,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-27 13:57:22,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,000 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-27 13:57:22,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:22,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,010 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:22,011 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:22,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,069 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:22,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,082 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:22,083 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:22,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-27 13:57:22,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,120 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 13:57:22,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,121 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-27 13:57:22,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:22,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,133 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:22,137 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:22,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,176 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-27 13:57:22,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:22,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,186 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:22,187 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:22,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,227 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-27 13:57:22,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:22,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,237 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:22,238 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:22,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,278 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 13:57:22,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,279 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,293 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,293 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:22,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,293 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:22,297 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:22,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-27 13:57:22,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-08-27 13:57:22,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,330 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-27 13:57:22,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,339 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,339 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:22,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,340 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:22,340 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:22,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-08-27 13:57:22,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,363 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-27 13:57:22,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,370 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,370 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:22,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,370 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:22,371 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:22,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,398 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 13:57:22,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,399 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-27 13:57:22,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,407 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:22,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,408 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:22,412 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:22,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-08-27 13:57:22,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,437 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-27 13:57:22,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,445 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,445 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:22,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,446 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:22,447 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:22,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-08-27 13:57:22,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,481 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-27 13:57:22,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,489 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,489 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:22,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,489 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:22,490 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:22,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,513 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 13:57:22,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,514 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-27 13:57:22,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,522 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,522 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:22,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,523 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:22,526 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:22,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-08-27 13:57:22,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,557 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-27 13:57:22,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,565 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,565 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:22,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,565 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:22,567 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:22,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,610 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-27 13:57:22,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,629 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,629 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:22,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,630 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:22,630 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:22,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,673 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 13:57:22,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,674 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-27 13:57:22,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,686 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,686 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:22,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,687 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:22,691 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:22,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,729 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-27 13:57:22,741 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,741 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:22,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:22,742 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:22,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-08-27 13:57:22,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,760 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-27 13:57:22,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,768 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:22,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,768 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:22,769 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:22,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,817 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 13:57:22,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,821 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-27 13:57:22,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,830 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,830 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:22,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,831 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:22,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:22,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:22,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,881 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-08-27 13:57:22,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,891 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,891 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:22,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,891 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:22,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:22,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-08-27 13:57:22,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:22,925 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:22,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-08-27 13:57:22,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:22,934 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:22,934 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:22,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:22,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:22,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:22,934 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:22,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:22,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:22,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:22,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-08-27 13:57:22,988 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 13:57:22,988 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 13:57:22,988 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 13:57:22,988 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 13:57:22,988 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 13:57:22,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:22,988 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 13:57:22,988 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 13:57:22,988 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2021-08-27 13:57:22,988 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 13:57:22,988 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 13:57:22,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:22,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:22,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:23,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:23,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:23,090 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 13:57:23,090 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 13:57:23,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,091 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-08-27 13:57:23,093 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 13:57:23,093 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:23,101 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 13:57:23,101 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: [] [2021-08-27 13:57:23,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:23,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,124 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-08-27 13:57:23,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 13:57:23,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:23,132 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 13:57:23,132 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: [] [2021-08-27 13:57:23,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:23,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,148 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-08-27 13:57:23,151 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 13:57:23,151 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:23,160 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 13:57:23,160 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: [] [2021-08-27 13:57:23,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:23,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,184 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 13:57:23,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:23,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-27 13:57:23,241 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 13:57:23,241 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: [] [2021-08-27 13:57:23,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:23,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,263 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 13:57:23,306 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:23,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-27 13:57:23,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:23,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,336 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-27 13:57:23,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 13:57:23,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:23,495 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 13:57:23,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-08-27 13:57:23,498 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 13:57:23,498 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 13:57:23,498 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 13:57:23,498 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 13:57:23,498 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 13:57:23,498 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,498 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 13:57:23,498 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 13:57:23,498 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2021-08-27 13:57:23,499 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 13:57:23,499 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 13:57:23,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:23,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:23,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:23,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:23,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:23,611 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 13:57:23,611 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 13:57:23,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,613 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-08-27 13:57:23,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:23,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:23,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:23,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:23,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:23,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,652 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-27 13:57:23,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:23,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:23,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 13:57:23,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-08-27 13:57:23,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,680 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-08-27 13:57:23,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:23,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:23,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:23,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:23,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-08-27 13:57:23,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,706 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-08-27 13:57:23,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:23,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:23,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:23,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:23,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-08-27 13:57:23,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,731 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-08-27 13:57:23,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:23,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:23,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:23,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:23,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-08-27 13:57:23,756 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 13:57:23,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,756 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-08-27 13:57:23,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:23,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,766 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:23,766 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:23,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:23,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:23,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,815 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-08-27 13:57:23,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,825 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:23,827 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-27 13:57:23,827 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-27 13:57:23,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:23,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,864 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-08-27 13:57:23,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:23,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,873 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:23,874 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:23,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:23,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-08-27 13:57:23,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,911 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-08-27 13:57:23,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:23,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,919 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:23,919 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:23,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:23,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-08-27 13:57:23,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,936 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-08-27 13:57:23,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:23,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,944 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:23,945 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:23,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:23,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:23,964 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 13:57:23,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,965 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-08-27 13:57:23,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:23,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,973 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:23,974 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:23,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:23,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:23,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-08-27 13:57:23,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:23,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:23,991 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:23,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-08-27 13:57:23,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:23,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:23,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:23,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:23,998 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:24,001 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 13:57:24,001 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 13:57:24,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,033 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-08-27 13:57:24,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:24,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,041 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:24,042 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:24,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-08-27 13:57:24,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,084 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-08-27 13:57:24,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:24,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,092 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:24,093 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:24,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-08-27 13:57:24,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,126 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-08-27 13:57:24,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:24,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,136 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:24,138 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:24,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,187 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 13:57:24,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,188 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-08-27 13:57:24,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:24,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,196 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:24,197 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:24,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,228 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-08-27 13:57:24,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:24,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,237 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:24,242 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-27 13:57:24,243 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-27 13:57:24,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,264 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-08-27 13:57:24,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:24,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,277 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:24,287 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:24,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,308 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-08-27 13:57:24,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:24,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,317 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:24,317 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:24,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-08-27 13:57:24,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,335 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-08-27 13:57:24,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:24,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,343 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:24,345 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:24,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-08-27 13:57:24,371 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 13:57:24,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,372 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-08-27 13:57:24,380 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,380 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:24,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,380 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:24,381 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:24,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-08-27 13:57:24,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,400 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-08-27 13:57:24,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,408 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,408 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:24,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,408 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:24,410 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-27 13:57:24,410 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-27 13:57:24,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-08-27 13:57:24,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,431 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-08-27 13:57:24,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,438 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,438 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:24,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,439 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:24,439 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:24,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-08-27 13:57:24,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,456 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-08-27 13:57:24,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,465 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,465 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:24,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,465 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:24,466 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:24,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,505 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-08-27 13:57:24,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,513 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,513 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:24,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,513 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:24,515 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:24,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,533 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 13:57:24,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,534 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-08-27 13:57:24,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,543 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,543 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:24,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,543 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:24,544 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:24,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-08-27 13:57:24,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,561 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-08-27 13:57:24,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,569 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:24,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,569 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:24,573 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 13:57:24,573 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 13:57:24,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-08-27 13:57:24,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,595 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-08-27 13:57:24,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,603 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,603 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:24,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,603 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:24,604 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:24,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,636 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-08-27 13:57:24,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,643 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,644 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:24,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,644 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:24,645 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:24,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-08-27 13:57:24,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,665 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-08-27 13:57:24,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,673 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:24,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,674 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:24,676 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:24,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,696 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 13:57:24,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,697 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-08-27 13:57:24,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,705 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,705 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:24,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,706 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:24,706 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:24,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-08-27 13:57:24,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,747 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-08-27 13:57:24,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,756 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:24,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,757 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:24,761 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-27 13:57:24,761 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-27 13:57:24,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,801 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-08-27 13:57:24,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,811 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,811 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:24,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,812 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:24,813 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:24,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,852 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-08-27 13:57:24,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,862 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:24,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,862 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:24,863 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:24,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,902 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-08-27 13:57:24,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,912 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,912 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:24,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,913 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:24,923 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:24,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:24,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:24,963 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 13:57:24,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:24,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:24,965 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:24,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:24,976 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:24,976 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:24,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:24,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:24,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:24,976 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:24,977 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:24,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:24,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-08-27 13:57:24,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:25,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:25,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,013 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-08-27 13:57:25,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:25,022 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:25,022 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:25,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:25,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:25,023 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:25,026 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 13:57:25,026 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 13:57:25,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:25,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:25,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,069 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-08-27 13:57:25,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:25,078 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:25,078 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:25,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:25,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:25,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:25,079 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:25,080 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:25,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:25,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:25,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-08-27 13:57:25,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,115 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-08-27 13:57:25,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:25,123 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:25,123 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:25,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:25,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:25,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:25,123 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:25,124 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:25,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:25,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:25,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-08-27 13:57:25,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,141 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-08-27 13:57:25,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:25,149 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:25,149 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:25,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:25,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:25,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:25,149 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:25,152 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:25,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:25,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:25,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-08-27 13:57:25,170 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 13:57:25,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,171 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-08-27 13:57:25,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:25,179 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:25,179 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:25,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:25,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:25,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:25,179 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:25,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:25,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:25,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:25,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:25,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,198 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-08-27 13:57:25,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:25,205 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:25,206 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:25,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:25,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:25,206 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:25,210 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-08-27 13:57:25,210 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-08-27 13:57:25,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:25,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:25,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,265 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:25,292 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:25,293 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:25,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:25,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:25,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:25,293 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:25,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:25,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:25,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-08-27 13:57:25,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:25,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:25,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,329 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:25,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-08-27 13:57:25,340 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:25,340 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:25,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:25,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:25,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:25,340 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:25,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:25,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:25,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:25,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:25,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,375 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:25,389 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:25,390 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:25,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:25,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:25,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:25,390 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:25,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:25,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:25,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-08-27 13:57:25,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:25,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:25,432 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-08-27 13:57:25,432 INFO L791 eck$LassoCheckResult]: Stem: 29#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; 30#L23-1 assume !!(main_~x~0 < 255); 27#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; 28#L18-2 assume !(0 != main_~debug~0); 30#L23-1 [2021-08-27 13:57:25,432 INFO L793 eck$LassoCheckResult]: Loop: 30#L23-1 assume !!(main_~x~0 < 255); 27#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; 28#L18-2 assume !(0 != main_~debug~0); 30#L23-1 [2021-08-27 13:57:25,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:25,432 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2021-08-27 13:57:25,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:25,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487055021] [2021-08-27 13:57:25,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:25,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:25,445 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 13:57:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:25,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 13:57:25,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:25,458 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2021-08-27 13:57:25,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:25,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910914178] [2021-08-27 13:57:25,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:25,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:25,468 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 13:57:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:25,476 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 13:57:25,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:25,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2021-08-27 13:57:25,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:25,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586409726] [2021-08-27 13:57:25,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:25,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 13:57:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 13:57:25,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 13:57:25,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586409726] [2021-08-27 13:57:25,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586409726] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 13:57:25,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 13:57:25,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 13:57:25,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780507450] [2021-08-27 13:57:25,569 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 13:57:25,569 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 13:57:25,569 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 13:57:25,569 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 13:57:25,569 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 13:57:25,569 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,570 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 13:57:25,570 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 13:57:25,570 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-08-27 13:57:25,570 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 13:57:25,570 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 13:57:25,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:25,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:25,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:25,646 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 13:57:25,646 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 13:57:25,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,647 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-08-27 13:57:25,649 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 13:57:25,650 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:25,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-08-27 13:57:25,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,680 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-08-27 13:57:25,682 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 13:57:25,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:25,835 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 13:57:25,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-08-27 13:57:25,838 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 13:57:25,838 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 13:57:25,838 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 13:57:25,838 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 13:57:25,838 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 13:57:25,838 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,838 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 13:57:25,838 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 13:57:25,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-08-27 13:57:25,839 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 13:57:25,839 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 13:57:25,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:25,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:25,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:25,937 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 13:57:25,938 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 13:57:25,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:25,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:25,953 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:25,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-08-27 13:57:25,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:25,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:25,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:25,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:25,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:25,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:25,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:25,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:25,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-08-27 13:57:26,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,015 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:26,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:26,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-08-27 13:57:26,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,067 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-08-27 13:57:26,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:26,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:26,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,091 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 13:57:26,091 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,092 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-08-27 13:57:26,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,099 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:26,101 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:26,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,118 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,119 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-08-27 13:57:26,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,128 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:26,128 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:26,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-08-27 13:57:26,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,145 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-08-27 13:57:26,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,153 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:26,153 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:26,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,169 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 13:57:26,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,170 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-08-27 13:57:26,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,178 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:26,180 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:26,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-08-27 13:57:26,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,198 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-08-27 13:57:26,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,206 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:26,207 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:26,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-08-27 13:57:26,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,225 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-08-27 13:57:26,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,232 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:26,233 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:26,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-08-27 13:57:26,249 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 13:57:26,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,249 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-08-27 13:57:26,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,258 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:26,260 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:26,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-08-27 13:57:26,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,279 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-08-27 13:57:26,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,292 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:26,293 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:26,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-08-27 13:57:26,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,331 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:26,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,353 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:26,354 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:26,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-08-27 13:57:26,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-08-27 13:57:26,370 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 13:57:26,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,371 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-08-27 13:57:26,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,379 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,379 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:26,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,379 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:26,381 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:26,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,402 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-08-27 13:57:26,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,411 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:26,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,411 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:26,412 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:26,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,431 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-08-27 13:57:26,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,439 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,439 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:26,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,440 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 13:57:26,440 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 13:57:26,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,456 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 13:57:26,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,457 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-08-27 13:57:26,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,465 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,465 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:26,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,466 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:26,468 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:26,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-08-27 13:57:26,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,489 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-08-27 13:57:26,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,503 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,503 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:26,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,503 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:26,504 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:26,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-08-27 13:57:26,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,560 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-08-27 13:57:26,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,568 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,568 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 13:57:26,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,568 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:26,569 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:26,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-08-27 13:57:26,585 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 13:57:26,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,586 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-08-27 13:57:26,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,597 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,597 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:26,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,597 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:26,601 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:26,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-08-27 13:57:26,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,643 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-08-27 13:57:26,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,651 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,651 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:26,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,651 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:26,652 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:26,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,671 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-08-27 13:57:26,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,679 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,679 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:26,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,680 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 13:57:26,681 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 13:57:26,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,699 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 13:57:26,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,700 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-08-27 13:57:26,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,712 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,712 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:26,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,713 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:26,729 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:26,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,761 INFO L229 MonitoredProcess]: Starting monitored process 135 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-08-27 13:57:26,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,768 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,768 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:26,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,768 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:26,769 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:26,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,786 INFO L229 MonitoredProcess]: Starting monitored process 136 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-08-27 13:57:26,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,793 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,794 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 13:57:26,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,794 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 13:57:26,794 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 13:57:26,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-08-27 13:57:26,811 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 13:57:26,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,812 INFO L229 MonitoredProcess]: Starting monitored process 137 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-08-27 13:57:26,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,820 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,820 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:26,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,820 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:26,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:26,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:26,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,846 INFO L229 MonitoredProcess]: Starting monitored process 138 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-08-27 13:57:26,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,853 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,853 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:26,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,854 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:26,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:26,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-08-27 13:57:26,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:26,873 INFO L229 MonitoredProcess]: Starting monitored process 139 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:26,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-08-27 13:57:26,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:26,881 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 13:57:26,881 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 13:57:26,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:26,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:26,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:26,881 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 13:57:26,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 13:57:26,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:26,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:26,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-08-27 13:57:26,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 13:57:26,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 13:57:26,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 13:57:26,909 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 13:57:26,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 13:57:26,917 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2021-08-27 13:57:26,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 13:57:26,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2021-08-27 13:57:26,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 13:57:26,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2021-08-27 13:57:26,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-08-27 13:57:26,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-08-27 13:57:26,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2021-08-27 13:57:26,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 13:57:26,919 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-08-27 13:57:26,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2021-08-27 13:57:26,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-08-27 13:57:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 13:57:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-08-27 13:57:26,920 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-08-27 13:57:26,920 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-08-27 13:57:26,920 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 13:57:26,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2021-08-27 13:57:26,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 13:57:26,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 13:57:26,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 13:57:26,921 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-27 13:57:26,921 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 13:57:26,922 INFO L791 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; 53#L18-2 [2021-08-27 13:57:26,922 INFO L793 eck$LassoCheckResult]: Loop: 53#L18-2 assume !(0 != main_~debug~0); 56#L23-1 assume !!(main_~x~0 < 255); 52#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; 53#L18-2 [2021-08-27 13:57:26,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:26,922 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-08-27 13:57:26,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:26,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230578947] [2021-08-27 13:57:26,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:26,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:26,927 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 13:57:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:26,931 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 13:57:26,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:26,931 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2021-08-27 13:57:26,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:26,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078386583] [2021-08-27 13:57:26,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:26,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:26,935 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 13:57:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:26,939 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 13:57:26,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:26,939 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2021-08-27 13:57:26,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 13:57:26,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88189362] [2021-08-27 13:57:26,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 13:57:26,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 13:57:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:26,946 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 13:57:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 13:57:26,958 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 13:57:26,980 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 13:57:26,981 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 13:57:26,981 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 13:57:26,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 13:57:26,981 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 13:57:26,981 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:26,981 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 13:57:26,981 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 13:57:26,981 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2021-08-27 13:57:26,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 13:57:26,982 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 13:57:26,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:26,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:27,032 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 13:57:27,032 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 13:57:27,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:27,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:27,037 INFO L229 MonitoredProcess]: Starting monitored process 140 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:27,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 13:57:27,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:27,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-08-27 13:57:27,057 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 13:57:27,057 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: [] [2021-08-27 13:57:27,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:27,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:27,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:27,085 INFO L229 MonitoredProcess]: Starting monitored process 141 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:27,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-08-27 13:57:27,087 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 13:57:27,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:27,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-08-27 13:57:27,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:27,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:27,129 INFO L229 MonitoredProcess]: Starting monitored process 142 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:27,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-08-27 13:57:27,131 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 13:57:27,131 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 13:57:27,157 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 13:57:27,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-08-27 13:57:27,159 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 13:57:27,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 13:57:27,160 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 13:57:27,160 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 13:57:27,160 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 13:57:27,160 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:27,160 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 13:57:27,160 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 13:57:27,160 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2021-08-27 13:57:27,160 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 13:57:27,160 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 13:57:27,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:27,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 13:57:27,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 13:57:27,216 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 13:57:27,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:27,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:27,217 INFO L229 MonitoredProcess]: Starting monitored process 143 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:27,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-08-27 13:57:27,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:27,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:27,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:27,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:27,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:27,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:27,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:27,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:27,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 13:57:27,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:27,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:27,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:27,242 INFO L229 MonitoredProcess]: Starting monitored process 144 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:27,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-08-27 13:57:27,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 13:57:27,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 13:57:27,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 13:57:27,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 13:57:27,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 13:57:27,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 13:57:27,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 13:57:27,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 13:57:27,252 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 13:57:27,255 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 13:57:27,255 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 13:57:27,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 13:57:27,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 13:57:27,297 INFO L229 MonitoredProcess]: Starting monitored process 145 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 13:57:27,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-08-27 13:57:27,299 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 13:57:27,300 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 13:57:27,300 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 13:57:27,300 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2021-08-27 13:57:27,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:27,327 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 13:57:27,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 13:57:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 13:57:27,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 13:57:27,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 13:57:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 13:57:27,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 13:57:27,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 13:57:27,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-08-27 13:57:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 13:57:27,435 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 [2021-08-27 13:57:27,436 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 13:57:27,456 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 14 transitions. Complement of second has 6 states. [2021-08-27 13:57:27,457 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 [2021-08-27 13:57:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 13:57:27,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2021-08-27 13:57:27,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2021-08-27 13:57:27,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 13:57:27,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2021-08-27 13:57:27,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 13:57:27,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2021-08-27 13:57:27,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 13:57:27,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-08-27 13:57:27,461 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 13:57:27,461 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-08-27 13:57:27,461 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 13:57:27,461 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 13:57:27,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 13:57:27,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 13:57:27,462 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 13:57:27,462 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 13:57:27,462 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 13:57:27,462 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 13:57:27,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 13:57:27,462 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 13:57:27,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 13:57:27,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 01:57:27 BoogieIcfgContainer [2021-08-27 13:57:27,467 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 13:57:27,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 13:57:27,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 13:57:27,468 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 13:57:27,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:57:18" (3/4) ... [2021-08-27 13:57:27,470 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 13:57:27,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 13:57:27,472 INFO L168 Benchmark]: Toolchain (without parser) took 9610.36 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 39.2 MB in the beginning and 61.8 MB in the end (delta: -22.7 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-08-27 13:57:27,472 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 60.8 MB. Free memory was 41.5 MB in the beginning and 41.4 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 13:57:27,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.34 ms. Allocated memory is still 60.8 MB. Free memory was 39.0 MB in the beginning and 30.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 13:57:27,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 60.8 MB. Free memory was 30.4 MB in the beginning and 44.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 13:57:27,473 INFO L168 Benchmark]: Boogie Preprocessor took 38.99 ms. Allocated memory is still 60.8 MB. Free memory was 44.3 MB in the beginning and 43.4 MB in the end (delta: 859.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 13:57:27,473 INFO L168 Benchmark]: RCFGBuilder took 225.45 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 34.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-27 13:57:27,473 INFO L168 Benchmark]: BuchiAutomizer took 9104.55 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 34.6 MB in the beginning and 62.6 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 13:57:27,473 INFO L168 Benchmark]: Witness Printer took 3.01 ms. Allocated memory is still 88.1 MB. Free memory was 62.6 MB in the beginning and 61.8 MB in the end (delta: 779.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 13:57:27,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 60.8 MB. Free memory was 41.5 MB in the beginning and 41.4 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 188.34 ms. Allocated memory is still 60.8 MB. Free memory was 39.0 MB in the beginning and 30.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 60.8 MB. Free memory was 30.4 MB in the beginning and 44.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.99 ms. Allocated memory is still 60.8 MB. Free memory was 44.3 MB in the beginning and 43.4 MB in the end (delta: 859.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 225.45 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 34.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9104.55 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 34.6 MB in the beginning and 62.6 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.01 ms. Allocated memory is still 88.1 MB. Free memory was 62.6 MB in the beginning and 61.8 MB in the end (delta: 779.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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 255 + -1 * x 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 9.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 8.8s. 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 9.0ms 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, 11 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7ms 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: 29ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 13:57:27,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...