./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Collatz_bounded.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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/Collatz_bounded.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 fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 14:12:01,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:12:01,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:12:01,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:12:01,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:12:01,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:12:01,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:12:01,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:12:01,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:12:01,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:12:01,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:12:01,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:12:01,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:12:01,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:12:01,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:12:01,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:12:01,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:12:01,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:12:01,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:12:01,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:12:01,252 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:12:01,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:12:01,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:12:01,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:12:01,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:12:01,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:12:01,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:12:01,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:12:01,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:12:01,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:12:01,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:12:01,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:12:01,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:12:01,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:12:01,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:12:01,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:12:01,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:12:01,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:12:01,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:12:01,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:12:01,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:12:01,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:12:01,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-23 14:12:01,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:12:01,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:12:01,305 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:12:01,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:12:01,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:12:01,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:12:01,307 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:12:01,307 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:12:01,307 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:12:01,308 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:12:01,308 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:12:01,308 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:12:01,308 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:12:01,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:12:01,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:12:01,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:12:01,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:12:01,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:12:01,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:12:01,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:12:01,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:12:01,310 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:12:01,310 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:12:01,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:12:01,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:12:01,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:12:01,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:12:01,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:12:01,312 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:12:01,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2022-07-23 14:12:01,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:12:01,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:12:01,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:12:01,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:12:01,571 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:12:01,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-07-23 14:12:01,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3f57133/c91b77e6337e41898c54713717f3d392/FLAG35608afce [2022-07-23 14:12:01,978 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:12:01,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-07-23 14:12:01,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3f57133/c91b77e6337e41898c54713717f3d392/FLAG35608afce [2022-07-23 14:12:01,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3f57133/c91b77e6337e41898c54713717f3d392 [2022-07-23 14:12:02,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:12:02,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:12:02,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:12:02,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:12:02,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:12:02,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:12:01" (1/1) ... [2022-07-23 14:12:02,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c1e5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02, skipping insertion in model container [2022-07-23 14:12:02,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:12:01" (1/1) ... [2022-07-23 14:12:02,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:12:02,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:12:02,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:12:02,219 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:12:02,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:12:02,243 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:12:02,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02 WrapperNode [2022-07-23 14:12:02,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:12:02,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:12:02,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:12:02,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:12:02,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (1/1) ... [2022-07-23 14:12:02,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (1/1) ... [2022-07-23 14:12:02,269 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-07-23 14:12:02,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:12:02,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:12:02,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:12:02,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:12:02,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (1/1) ... [2022-07-23 14:12:02,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (1/1) ... [2022-07-23 14:12:02,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (1/1) ... [2022-07-23 14:12:02,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (1/1) ... [2022-07-23 14:12:02,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (1/1) ... [2022-07-23 14:12:02,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (1/1) ... [2022-07-23 14:12:02,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (1/1) ... [2022-07-23 14:12:02,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:12:02,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:12:02,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:12:02,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:12:02,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (1/1) ... [2022-07-23 14:12:02,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:02,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:02,318 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) [2022-07-23 14:12:02,336 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 [2022-07-23 14:12:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:12:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:12:02,400 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:12:02,402 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:12:02,481 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:12:02,487 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:12:02,487 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 14:12:02,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:12:02 BoogieIcfgContainer [2022-07-23 14:12:02,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:12:02,491 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:12:02,491 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:12:02,493 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:12:02,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:12:02,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:12:01" (1/3) ... [2022-07-23 14:12:02,495 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7258528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:12:02, skipping insertion in model container [2022-07-23 14:12:02,495 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:12:02,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:02" (2/3) ... [2022-07-23 14:12:02,496 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7258528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:12:02, skipping insertion in model container [2022-07-23 14:12:02,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:12:02,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:12:02" (3/3) ... [2022-07-23 14:12:02,498 INFO L354 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2022-07-23 14:12:02,557 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:12:02,557 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:12:02,558 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:12:02,558 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:12:02,558 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:12:02,558 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:12:02,558 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:12:02,559 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:12:02,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2022-07-23 14:12:02,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:12:02,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:12:02,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:12:02,588 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:12:02,588 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:12:02,588 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:12:02,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2022-07-23 14:12:02,590 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:12:02,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:12:02,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:12:02,591 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:12:02,591 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:12:02,597 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L14true assume !(main_~y~0#1 >= 113383); 6#L16-2true [2022-07-23 14:12:02,598 INFO L754 eck$LassoCheckResult]: Loop: 6#L16-2true assume !!(main_~y~0#1 > 1); 2#L16true assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 6#L16-2true [2022-07-23 14:12:02,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:02,607 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-07-23 14:12:02,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:02,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309536264] [2022-07-23 14:12:02,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:02,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:02,681 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:02,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:02,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:02,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2022-07-23 14:12:02,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:02,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144379953] [2022-07-23 14:12:02,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:02,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:02,743 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:02,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:02,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:02,765 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2022-07-23 14:12:02,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:02,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356298768] [2022-07-23 14:12:02,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:02,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:02,781 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:02,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:02,921 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:02,921 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:02,921 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:02,921 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:02,922 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:12:02,922 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:02,922 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:02,922 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:02,922 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-07-23 14:12:02,922 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:02,922 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:02,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:03,069 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:03,070 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:12:03,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:03,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:03,073 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) [2022-07-23 14:12:03,080 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:03,080 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:03,103 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 [2022-07-23 14:12:03,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:03,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:03,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:03,149 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) [2022-07-23 14:12:03,150 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 [2022-07-23 14:12:03,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:12:03,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:03,206 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:12:03,211 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 [2022-07-23 14:12:03,211 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:03,212 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:03,212 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:03,212 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:03,212 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:12:03,212 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:03,212 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:03,212 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:03,212 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-07-23 14:12:03,212 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:03,212 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:03,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:03,298 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:03,302 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:12:03,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:03,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:03,305 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) [2022-07-23 14:12:03,306 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 [2022-07-23 14:12:03,307 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 [2022-07-23 14:12:03,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:03,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:03,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:03,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:03,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:03,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:03,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:03,334 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:12:03,340 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 14:12:03,340 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-23 14:12:03,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:03,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:03,351 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) [2022-07-23 14:12:03,376 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:12:03,376 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 14:12:03,376 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:12:03,377 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 [2022-07-23 14:12:03,377 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-07-23 14:12:03,402 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 [2022-07-23 14:12:03,404 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 14:12:03,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:03,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:12:03,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:03,473 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 14:12:03,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:12:03,523 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 [2022-07-23 14:12:03,524 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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, 3 states have (on average 1.6666666666666667) 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) [2022-07-23 14:12:03,567 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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, 3 states have (on average 1.6666666666666667) 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) Result 28 states and 35 transitions. Complement of second has 8 states. [2022-07-23 14:12:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-23 14:12:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) 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) [2022-07-23 14:12:03,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-07-23 14:12:03,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-23 14:12:03,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:03,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-23 14:12:03,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:03,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 4 letters. [2022-07-23 14:12:03,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:03,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2022-07-23 14:12:03,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:12:03,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 9 states and 12 transitions. [2022-07-23 14:12:03,580 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-07-23 14:12:03,580 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-07-23 14:12:03,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2022-07-23 14:12:03,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:12:03,581 INFO L369 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-07-23 14:12:03,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2022-07-23 14:12:03,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-07-23 14:12:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 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) [2022-07-23 14:12:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2022-07-23 14:12:03,599 INFO L392 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-07-23 14:12:03,600 INFO L374 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-07-23 14:12:03,600 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:12:03,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2022-07-23 14:12:03,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:12:03,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:12:03,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:12:03,601 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 14:12:03,601 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:12:03,602 INFO L752 eck$LassoCheckResult]: Stem: 84#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 85#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 87#L14 assume !(main_~y~0#1 >= 113383); 88#L16-2 assume !!(main_~y~0#1 > 1); 80#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 81#L16-2 [2022-07-23 14:12:03,602 INFO L754 eck$LassoCheckResult]: Loop: 81#L16-2 assume !!(main_~y~0#1 > 1); 86#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 81#L16-2 [2022-07-23 14:12:03,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:03,602 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2022-07-23 14:12:03,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:03,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904039257] [2022-07-23 14:12:03,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:03,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:03,611 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:03,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:03,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:03,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 2 times [2022-07-23 14:12:03,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:03,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94965409] [2022-07-23 14:12:03,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:03,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:03,645 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:03,656 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 [2022-07-23 14:12:03,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:03,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:03,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030636, now seen corresponding path program 1 times [2022-07-23 14:12:03,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:03,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528651941] [2022-07-23 14:12:03,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:03,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:03,679 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:03,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:03,709 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:03,710 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:03,710 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:03,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:03,710 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:12:03,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:03,711 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:03,711 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:03,711 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-07-23 14:12:03,711 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:03,711 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:03,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:03,768 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:03,769 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:12:03,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:03,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:03,771 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) [2022-07-23 14:12:03,777 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 [2022-07-23 14:12:03,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:03,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:03,846 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 [2022-07-23 14:12:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:03,847 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) [2022-07-23 14:12:03,851 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 [2022-07-23 14:12:03,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:12:03,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:03,889 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:12:03,895 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 [2022-07-23 14:12:03,895 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:03,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:03,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:03,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:03,895 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:12:03,895 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:03,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:03,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:03,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-07-23 14:12:03,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:03,896 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:03,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:03,970 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:03,971 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:12:03,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:03,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:03,980 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) [2022-07-23 14:12:03,990 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 [2022-07-23 14:12:03,991 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 [2022-07-23 14:12:03,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:03,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:03,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:03,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:03,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:04,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:04,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:04,017 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:12:04,020 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-23 14:12:04,020 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-23 14:12:04,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:04,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:04,022 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) [2022-07-23 14:12:04,022 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 [2022-07-23 14:12:04,023 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:12:04,023 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 14:12:04,023 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:12:04,023 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-07-23 14:12:04,039 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 [2022-07-23 14:12:04,040 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 14:12:04,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:04,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:12:04,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:04,083 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 14:12:04,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:04,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:12:04,108 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 [2022-07-23 14:12:04,110 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 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) [2022-07-23 14:12:04,128 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. 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) Result 13 states and 18 transitions. Complement of second has 5 states. [2022-07-23 14:12:04,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 14:12:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-07-23 14:12:04,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-07-23 14:12:04,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-23 14:12:04,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:04,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-23 14:12:04,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:04,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-23 14:12:04,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:04,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2022-07-23 14:12:04,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:12:04,136 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2022-07-23 14:12:04,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-07-23 14:12:04,136 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-07-23 14:12:04,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-07-23 14:12:04,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:12:04,137 INFO L369 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-23 14:12:04,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-07-23 14:12:04,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-07-23 14:12:04,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2022-07-23 14:12:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-07-23 14:12:04,140 INFO L392 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-23 14:12:04,140 INFO L374 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-23 14:12:04,140 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 14:12:04,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-07-23 14:12:04,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:12:04,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:12:04,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:12:04,143 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2022-07-23 14:12:04,144 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:12:04,144 INFO L752 eck$LassoCheckResult]: Stem: 148#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 149#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 152#L14 assume !(main_~y~0#1 >= 113383); 153#L16-2 assume !!(main_~y~0#1 > 1); 144#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 145#L16-2 assume !!(main_~y~0#1 > 1); 154#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 150#L16-2 [2022-07-23 14:12:04,144 INFO L754 eck$LassoCheckResult]: Loop: 150#L16-2 assume !!(main_~y~0#1 > 1); 151#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 150#L16-2 [2022-07-23 14:12:04,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:04,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030638, now seen corresponding path program 2 times [2022-07-23 14:12:04,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:04,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846827039] [2022-07-23 14:12:04,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:04,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:12:04,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:12:04,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846827039] [2022-07-23 14:12:04,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846827039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:12:04,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:12:04,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 14:12:04,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511697072] [2022-07-23 14:12:04,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:12:04,225 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 14:12:04,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:04,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 3 times [2022-07-23 14:12:04,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:04,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23162142] [2022-07-23 14:12:04,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:04,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:04,233 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:04,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:04,258 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:04,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:04,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:04,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:04,259 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:12:04,259 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:04,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:04,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:04,260 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-07-23 14:12:04,260 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:04,260 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:04,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:04,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:04,321 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:12:04,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:04,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:04,323 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) [2022-07-23 14:12:04,325 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:04,325 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:04,343 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 [2022-07-23 14:12:04,374 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 [2022-07-23 14:12:04,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:04,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:04,380 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) [2022-07-23 14:12:04,386 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 [2022-07-23 14:12:04,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:12:04,388 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:04,435 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:12:04,439 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 [2022-07-23 14:12:04,439 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:04,439 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:04,439 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:04,439 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:04,440 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:12:04,440 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:04,440 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:04,440 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:04,440 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-07-23 14:12:04,440 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:04,440 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:04,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:04,505 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:04,505 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:12:04,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:04,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:04,508 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) [2022-07-23 14:12:04,516 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 [2022-07-23 14:12:04,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:04,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:04,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:04,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:04,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:04,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:04,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:04,528 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 [2022-07-23 14:12:04,539 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:12:04,542 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 14:12:04,542 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-23 14:12:04,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:04,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:04,548 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) [2022-07-23 14:12:04,553 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:12:04,553 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 14:12:04,553 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:12:04,553 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-07-23 14:12:04,567 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 [2022-07-23 14:12:04,579 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 [2022-07-23 14:12:04,580 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 14:12:04,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:04,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:12:04,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:04,621 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 14:12:04,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:12:04,639 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 [2022-07-23 14:12:04,639 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-07-23 14:12:04,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 15 states and 22 transitions. Complement of second has 5 states. [2022-07-23 14:12:04,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 14:12:04,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-07-23 14:12:04,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-07-23 14:12:04,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-23 14:12:04,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:04,657 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-23 14:12:04,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:04,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:12:04,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:04,690 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 14:12:04,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:12:04,706 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 14:12:04,706 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-07-23 14:12:04,723 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 15 states and 22 transitions. Complement of second has 5 states. [2022-07-23 14:12:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 14:12:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-07-23 14:12:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-07-23 14:12:04,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-23 14:12:04,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:04,725 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-23 14:12:04,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:04,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:12:04,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:04,764 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 14:12:04,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:12:04,776 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 14:12:04,777 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-07-23 14:12:04,785 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 17 states and 25 transitions. Complement of second has 4 states. [2022-07-23 14:12:04,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 14:12:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-07-23 14:12:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2022-07-23 14:12:04,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-23 14:12:04,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:04,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-23 14:12:04,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:04,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2022-07-23 14:12:04,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:04,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2022-07-23 14:12:04,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-23 14:12:04,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2022-07-23 14:12:04,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-07-23 14:12:04,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-07-23 14:12:04,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2022-07-23 14:12:04,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:12:04,789 INFO L369 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-07-23 14:12:04,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2022-07-23 14:12:04,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2022-07-23 14:12:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-07-23 14:12:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2022-07-23 14:12:04,791 INFO L392 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-07-23 14:12:04,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:12:04,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 14:12:04,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-23 14:12:04,795 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2022-07-23 14:12:04,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:12:04,814 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2022-07-23 14:12:04,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 14:12:04,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2022-07-23 14:12:04,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 14:12:04,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2022-07-23 14:12:04,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-07-23 14:12:04,818 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-07-23 14:12:04,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2022-07-23 14:12:04,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:12:04,818 INFO L369 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-07-23 14:12:04,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2022-07-23 14:12:04,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-07-23 14:12:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-07-23 14:12:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-07-23 14:12:04,820 INFO L392 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-23 14:12:04,820 INFO L374 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-23 14:12:04,820 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 14:12:04,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-07-23 14:12:04,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-23 14:12:04,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:12:04,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:12:04,820 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-23 14:12:04,820 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2022-07-23 14:12:04,820 INFO L752 eck$LassoCheckResult]: Stem: 338#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 339#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 340#L14 assume !(main_~y~0#1 >= 113383); 341#L16-2 assume !!(main_~y~0#1 > 1); 334#L16 [2022-07-23 14:12:04,820 INFO L754 eck$LassoCheckResult]: Loop: 334#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 335#L16-2 assume !!(main_~y~0#1 > 1); 336#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 337#L16-2 assume !!(main_~y~0#1 > 1); 334#L16 [2022-07-23 14:12:04,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:04,821 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-07-23 14:12:04,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:04,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337339238] [2022-07-23 14:12:04,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:04,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:04,824 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:04,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:04,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:04,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 1 times [2022-07-23 14:12:04,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:04,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614527316] [2022-07-23 14:12:04,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:04,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:04,837 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:04,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:04,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:04,859 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 2 times [2022-07-23 14:12:04,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:04,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77279771] [2022-07-23 14:12:04,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:04,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:04,868 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:04,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:04,958 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:04,958 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:04,958 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:04,958 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:04,958 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:12:04,959 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:04,959 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:04,959 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:04,959 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-07-23 14:12:04,959 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:04,959 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:04,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:05,050 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:05,050 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:12:05,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,052 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) [2022-07-23 14:12:05,062 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 [2022-07-23 14:12:05,063 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:05,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:05,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:05,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,099 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) [2022-07-23 14:12:05,099 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 [2022-07-23 14:12:05,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:12:05,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:05,201 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:12:05,205 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 [2022-07-23 14:12:05,205 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:05,205 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:05,205 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:05,205 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:05,205 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:12:05,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:05,205 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:05,205 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-07-23 14:12:05,205 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:05,205 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:05,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:05,282 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:05,283 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:12:05,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,285 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) [2022-07-23 14:12:05,286 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 [2022-07-23 14:12:05,287 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 [2022-07-23 14:12:05,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:05,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:05,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:05,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:05,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:05,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:05,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:05,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:05,318 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 [2022-07-23 14:12:05,318 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-23 14:12:05,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,319 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) [2022-07-23 14:12:05,324 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 [2022-07-23 14:12:05,325 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 [2022-07-23 14:12:05,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:05,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:05,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:05,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:05,332 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:05,348 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:05,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:05,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-23 14:12:05,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:05,399 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 [2022-07-23 14:12:05,413 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 [2022-07-23 14:12:05,413 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-07-23 14:12:05,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,415 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) [2022-07-23 14:12:05,415 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 [2022-07-23 14:12:05,418 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 [2022-07-23 14:12:05,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:05,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:05,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:05,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:05,424 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:05,427 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:05,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:05,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:05,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-07-23 14:12:05,484 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-07-23 14:12:05,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,486 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) [2022-07-23 14:12:05,487 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 [2022-07-23 14:12:05,488 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 [2022-07-23 14:12:05,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:05,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:05,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:05,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:05,494 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:05,498 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:05,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:05,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:05,560 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 [2022-07-23 14:12:05,561 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-07-23 14:12:05,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,562 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) [2022-07-23 14:12:05,572 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 [2022-07-23 14:12:05,579 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:05,580 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:05,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:05,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:05,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:05,580 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:05,583 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:05,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:05,589 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 [2022-07-23 14:12:05,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:05,636 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 [2022-07-23 14:12:05,637 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-07-23 14:12:05,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,638 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) [2022-07-23 14:12:05,645 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 [2022-07-23 14:12:05,646 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 [2022-07-23 14:12:05,653 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:05,654 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:12:05,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:05,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:05,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:05,654 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:05,660 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:05,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:05,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:05,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-07-23 14:12:05,686 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-07-23 14:12:05,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,687 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) [2022-07-23 14:12:05,688 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 [2022-07-23 14:12:05,689 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 [2022-07-23 14:12:05,696 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:05,697 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:05,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:05,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:05,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:05,697 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:05,702 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:05,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:05,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:05,743 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 [2022-07-23 14:12:05,743 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-07-23 14:12:05,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,745 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) [2022-07-23 14:12:05,745 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 [2022-07-23 14:12:05,747 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 [2022-07-23 14:12:05,753 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:05,753 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:05,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:05,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:05,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:05,753 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:05,757 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:05,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:05,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:05,783 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 [2022-07-23 14:12:05,783 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-07-23 14:12:05,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,785 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) [2022-07-23 14:12:05,786 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 [2022-07-23 14:12:05,788 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 [2022-07-23 14:12:05,794 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:05,795 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:05,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:05,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:05,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:05,795 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:12:05,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:05,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:05,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:05,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-07-23 14:12:05,841 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:05,842 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:05,842 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:05,842 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:05,842 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:12:05,842 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,842 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:05,842 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:05,842 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-07-23 14:12:05,842 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:05,842 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:05,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:05,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:05,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:05,946 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:05,946 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:12:05,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,948 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) [2022-07-23 14:12:05,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:05,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:05,963 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 [2022-07-23 14:12:05,965 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 14:12:05,965 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 14:12:05,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-07-23 14:12:05,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:05,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:05,982 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) [2022-07-23 14:12:05,982 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 [2022-07-23 14:12:05,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:05,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:06,026 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 [2022-07-23 14:12:06,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:06,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:06,027 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) [2022-07-23 14:12:06,029 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 [2022-07-23 14:12:06,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:12:06,030 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:17,022 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:12:17,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-07-23 14:12:17,028 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:17,028 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:17,028 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:17,028 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:17,028 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:12:17,028 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,028 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:17,028 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:17,028 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-07-23 14:12:17,028 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:17,028 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:17,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:17,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:17,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:17,130 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:17,130 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:12:17,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,132 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) [2022-07-23 14:12:17,137 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 [2022-07-23 14:12:17,137 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 [2022-07-23 14:12:17,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:17,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:17,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-23 14:12:17,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,161 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) [2022-07-23 14:12:17,162 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 [2022-07-23 14:12:17,163 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 [2022-07-23 14:12:17,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:17,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:17,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-23 14:12:17,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,187 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) [2022-07-23 14:12:17,187 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 [2022-07-23 14:12:17,188 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 [2022-07-23 14:12:17,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:17,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:17,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:12:17,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,245 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 [2022-07-23 14:12:17,245 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-23 14:12:17,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,246 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) [2022-07-23 14:12:17,251 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 [2022-07-23 14:12:17,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,259 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:17,260 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:17,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,262 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 [2022-07-23 14:12:17,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,296 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 [2022-07-23 14:12:17,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,297 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) [2022-07-23 14:12:17,299 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 [2022-07-23 14:12:17,300 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 [2022-07-23 14:12:17,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,308 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:17,308 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:17,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-23 14:12:17,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,326 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) [2022-07-23 14:12:17,328 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 [2022-07-23 14:12:17,329 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 [2022-07-23 14:12:17,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,347 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:17,354 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-23 14:12:17,354 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-23 14:12:17,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,391 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 [2022-07-23 14:12:17,391 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-07-23 14:12:17,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,392 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) [2022-07-23 14:12:17,399 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 [2022-07-23 14:12:17,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,408 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:17,408 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:17,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,410 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 [2022-07-23 14:12:17,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,444 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 [2022-07-23 14:12:17,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,448 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) [2022-07-23 14:12:17,449 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 [2022-07-23 14:12:17,451 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 [2022-07-23 14:12:17,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,459 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:17,459 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:17,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:17,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,510 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) [2022-07-23 14:12:17,511 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 [2022-07-23 14:12:17,512 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 [2022-07-23 14:12:17,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,520 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:17,526 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-23 14:12:17,526 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 14:12:17,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,553 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 [2022-07-23 14:12:17,553 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-07-23 14:12:17,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,554 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) [2022-07-23 14:12:17,555 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 [2022-07-23 14:12:17,556 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 [2022-07-23 14:12:17,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,562 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:17,563 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:17,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,580 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 [2022-07-23 14:12:17,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,582 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) [2022-07-23 14:12:17,583 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 [2022-07-23 14:12:17,584 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 [2022-07-23 14:12:17,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,591 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:17,591 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:17,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:17,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,611 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) [2022-07-23 14:12:17,612 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 [2022-07-23 14:12:17,613 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 [2022-07-23 14:12:17,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:17,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,619 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:17,631 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-07-23 14:12:17,632 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-07-23 14:12:17,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:17,677 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-07-23 14:12:17,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,679 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) [2022-07-23 14:12:17,680 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 [2022-07-23 14:12:17,681 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 [2022-07-23 14:12:17,687 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:17,687 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:17,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,687 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:17,688 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:17,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,735 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 [2022-07-23 14:12:17,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,737 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) [2022-07-23 14:12:17,739 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 [2022-07-23 14:12:17,747 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:17,748 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:17,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,748 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:17,749 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:17,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,750 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 [2022-07-23 14:12:17,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,787 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 [2022-07-23 14:12:17,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,789 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) [2022-07-23 14:12:17,791 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 [2022-07-23 14:12:17,795 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 [2022-07-23 14:12:17,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:17,803 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:17,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,803 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:17,808 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-23 14:12:17,808 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-23 14:12:17,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-07-23 14:12:17,837 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-07-23 14:12:17,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,838 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) [2022-07-23 14:12:17,839 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 [2022-07-23 14:12:17,840 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 [2022-07-23 14:12:17,846 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:17,846 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:12:17,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,847 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:17,847 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:17,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,864 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 [2022-07-23 14:12:17,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,866 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) [2022-07-23 14:12:17,866 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 [2022-07-23 14:12:17,868 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 [2022-07-23 14:12:17,874 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:17,874 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:12:17,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,874 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:17,875 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:17,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-23 14:12:17,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,894 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) [2022-07-23 14:12:17,896 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 [2022-07-23 14:12:17,898 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 [2022-07-23 14:12:17,904 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:17,904 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:12:17,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,904 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:17,911 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-23 14:12:17,912 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 14:12:17,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:17,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:17,963 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-07-23 14:12:17,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:17,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:17,964 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) [2022-07-23 14:12:17,967 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 [2022-07-23 14:12:17,976 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:17,976 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:17,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:17,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:17,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:17,976 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:17,977 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:17,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:17,981 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 [2022-07-23 14:12:17,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:18,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,023 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) [2022-07-23 14:12:18,027 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 [2022-07-23 14:12:18,035 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:18,035 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:18,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:18,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,036 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:18,037 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:18,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:18,040 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 [2022-07-23 14:12:18,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,073 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 [2022-07-23 14:12:18,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,075 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) [2022-07-23 14:12:18,079 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 [2022-07-23 14:12:18,087 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:18,088 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:18,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,088 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:18,097 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-07-23 14:12:18,097 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-07-23 14:12:18,099 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 [2022-07-23 14:12:18,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,145 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 [2022-07-23 14:12:18,145 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-07-23 14:12:18,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,146 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) [2022-07-23 14:12:18,147 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 [2022-07-23 14:12:18,149 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 [2022-07-23 14:12:18,154 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:18,155 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:18,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:18,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,155 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:18,155 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:18,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:18,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:18,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,173 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) [2022-07-23 14:12:18,179 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 [2022-07-23 14:12:18,181 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 [2022-07-23 14:12:18,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:18,187 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:18,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:18,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,187 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:18,188 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:18,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:18,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,204 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 [2022-07-23 14:12:18,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,205 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) [2022-07-23 14:12:18,206 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 [2022-07-23 14:12:18,207 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 [2022-07-23 14:12:18,212 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:18,213 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:18,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,213 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:18,218 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-23 14:12:18,218 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 14:12:18,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,261 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 [2022-07-23 14:12:18,261 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-07-23 14:12:18,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,263 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) [2022-07-23 14:12:18,264 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 [2022-07-23 14:12:18,265 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 [2022-07-23 14:12:18,271 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:18,271 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:18,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:18,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,271 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:12:18,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:18,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:18,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-23 14:12:18,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,291 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) [2022-07-23 14:12:18,291 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 [2022-07-23 14:12:18,292 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 [2022-07-23 14:12:18,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:18,298 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:18,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:18,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,299 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:12:18,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:18,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:18,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-07-23 14:12:18,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,348 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) [2022-07-23 14:12:18,349 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 [2022-07-23 14:12:18,350 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 [2022-07-23 14:12:18,356 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:18,356 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:18,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,356 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:12:18,366 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-07-23 14:12:18,366 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-07-23 14:12:18,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,432 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 [2022-07-23 14:12:18,432 INFO L321 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2022-07-23 14:12:18,433 INFO L752 eck$LassoCheckResult]: Stem: 338#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 339#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 340#L14 assume !(main_~y~0#1 >= 113383); 341#L16-2 assume !!(main_~y~0#1 > 1); 334#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 335#L16-2 assume !!(main_~y~0#1 > 1); 336#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 337#L16-2 assume !!(main_~y~0#1 > 1); 334#L16 [2022-07-23 14:12:18,433 INFO L754 eck$LassoCheckResult]: Loop: 334#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 335#L16-2 assume !!(main_~y~0#1 > 1); 336#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 337#L16-2 assume !!(main_~y~0#1 > 1); 334#L16 [2022-07-23 14:12:18,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:18,433 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 3 times [2022-07-23 14:12:18,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:18,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783662429] [2022-07-23 14:12:18,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:18,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:18,442 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:18,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:18,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:18,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 2 times [2022-07-23 14:12:18,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:18,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103801730] [2022-07-23 14:12:18,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:18,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:18,455 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:18,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:18,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:18,462 INFO L85 PathProgramCache]: Analyzing trace with hash -3593124, now seen corresponding path program 4 times [2022-07-23 14:12:18,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:18,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010880651] [2022-07-23 14:12:18,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:18,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:18,474 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:18,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:18,514 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:18,514 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:18,514 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:18,515 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:18,515 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:12:18,515 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,515 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:18,515 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:18,515 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-07-23 14:12:18,515 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:18,515 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:18,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:18,577 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:18,578 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:12:18,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,579 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) [2022-07-23 14:12:18,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:18,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:18,596 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 [2022-07-23 14:12:18,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:18,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,637 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) [2022-07-23 14:12:18,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:12:18,639 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:18,661 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 [2022-07-23 14:12:18,703 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:12:18,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-07-23 14:12:18,706 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:18,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:18,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:18,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:18,706 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:12:18,706 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,706 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:18,706 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:18,706 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-07-23 14:12:18,706 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:18,706 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:18,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:18,775 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:18,775 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:12:18,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,778 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) [2022-07-23 14:12:18,788 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 [2022-07-23 14:12:18,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:18,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:18,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:18,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:18,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:18,799 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 [2022-07-23 14:12:18,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,834 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 [2022-07-23 14:12:18,834 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-23 14:12:18,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,836 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) [2022-07-23 14:12:18,840 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 [2022-07-23 14:12:18,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:18,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:18,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,849 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:18,851 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:18,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:18,855 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 [2022-07-23 14:12:18,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:18,886 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-07-23 14:12:18,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,888 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) [2022-07-23 14:12:18,891 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 [2022-07-23 14:12:18,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:18,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:18,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,899 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:18,902 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:18,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:18,905 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 [2022-07-23 14:12:18,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:18,938 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-07-23 14:12:18,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,939 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) [2022-07-23 14:12:18,943 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 [2022-07-23 14:12:18,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:18,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:18,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:18,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:18,952 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:18,955 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:18,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:18,959 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 [2022-07-23 14:12:18,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:18,990 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 [2022-07-23 14:12:18,991 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-07-23 14:12:18,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:18,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:18,992 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) [2022-07-23 14:12:18,995 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 [2022-07-23 14:12:19,002 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:19,003 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:19,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:19,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:19,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:19,003 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:19,005 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:19,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:19,010 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 [2022-07-23 14:12:19,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:19,042 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 [2022-07-23 14:12:19,042 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-07-23 14:12:19,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:19,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:19,044 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) [2022-07-23 14:12:19,047 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 [2022-07-23 14:12:19,055 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:19,055 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:12:19,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:19,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:19,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:19,055 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:19,058 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:19,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:19,068 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 [2022-07-23 14:12:19,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:19,094 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 [2022-07-23 14:12:19,095 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-07-23 14:12:19,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:19,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:19,100 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) [2022-07-23 14:12:19,101 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 [2022-07-23 14:12:19,102 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 [2022-07-23 14:12:19,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:19,110 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:19,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:19,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:19,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:19,110 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:19,114 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:19,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:19,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:19,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-07-23 14:12:19,151 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-07-23 14:12:19,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:19,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:19,152 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) [2022-07-23 14:12:19,153 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 [2022-07-23 14:12:19,154 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 [2022-07-23 14:12:19,160 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:19,160 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:19,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:19,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:19,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:19,160 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:19,162 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:19,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:19,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:19,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-07-23 14:12:19,184 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-07-23 14:12:19,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:19,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:19,185 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) [2022-07-23 14:12:19,187 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 [2022-07-23 14:12:19,188 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 [2022-07-23 14:12:19,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:19,194 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:19,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:19,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:19,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:19,194 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:12:19,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:19,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:19,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:19,218 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 [2022-07-23 14:12:19,265 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:19,266 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:19,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:19,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:19,266 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:12:19,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:19,266 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:19,266 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:19,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-07-23 14:12:19,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:19,267 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:19,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:19,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:19,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:19,374 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:19,374 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:12:19,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:19,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:19,376 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) [2022-07-23 14:12:19,380 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 [2022-07-23 14:12:19,381 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:19,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:19,427 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 [2022-07-23 14:12:19,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:19,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:19,429 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) [2022-07-23 14:12:19,429 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 [2022-07-23 14:12:19,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:12:19,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:20,084 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:12:20,089 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 [2022-07-23 14:12:20,089 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:20,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:20,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:20,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:20,089 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:12:20,089 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,089 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:20,089 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:20,089 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-07-23 14:12:20,089 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:20,089 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:20,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:20,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:20,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:20,219 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:20,219 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:12:20,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,221 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) [2022-07-23 14:12:20,228 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 [2022-07-23 14:12:20,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:20,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:20,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,238 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 [2022-07-23 14:12:20,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:20,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,271 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) [2022-07-23 14:12:20,276 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 [2022-07-23 14:12:20,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:20,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:20,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:12:20,295 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 [2022-07-23 14:12:20,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:20,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,326 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) [2022-07-23 14:12:20,327 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 [2022-07-23 14:12:20,329 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 [2022-07-23 14:12:20,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:20,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:20,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,353 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 [2022-07-23 14:12:20,353 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-23 14:12:20,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,354 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) [2022-07-23 14:12:20,355 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 [2022-07-23 14:12:20,357 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 [2022-07-23 14:12:20,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,363 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:20,363 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:20,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,379 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 [2022-07-23 14:12:20,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,381 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) [2022-07-23 14:12:20,389 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 [2022-07-23 14:12:20,390 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 [2022-07-23 14:12:20,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,396 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:20,400 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-23 14:12:20,400 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-23 14:12:20,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,424 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 [2022-07-23 14:12:20,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,425 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) [2022-07-23 14:12:20,431 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 [2022-07-23 14:12:20,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,439 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:20,440 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:20,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,442 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 [2022-07-23 14:12:20,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:20,478 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-07-23 14:12:20,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,480 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) [2022-07-23 14:12:20,481 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 [2022-07-23 14:12:20,483 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 [2022-07-23 14:12:20,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,490 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:20,491 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:20,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:20,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,532 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) [2022-07-23 14:12:20,533 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 [2022-07-23 14:12:20,535 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 [2022-07-23 14:12:20,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,543 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:20,552 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-23 14:12:20,553 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 14:12:20,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-07-23 14:12:20,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,599 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) [2022-07-23 14:12:20,599 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 [2022-07-23 14:12:20,600 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 [2022-07-23 14:12:20,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,607 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:20,607 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:20,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:20,624 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-07-23 14:12:20,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,625 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) [2022-07-23 14:12:20,630 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 [2022-07-23 14:12:20,630 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 [2022-07-23 14:12:20,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,637 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:20,637 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:20,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-07-23 14:12:20,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,656 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) [2022-07-23 14:12:20,659 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 [2022-07-23 14:12:20,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,668 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:20,676 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-07-23 14:12:20,676 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-07-23 14:12:20,698 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 [2022-07-23 14:12:20,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:20,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,728 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) [2022-07-23 14:12:20,731 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 [2022-07-23 14:12:20,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:20,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,739 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:20,740 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:20,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,742 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 [2022-07-23 14:12:20,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,773 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 [2022-07-23 14:12:20,773 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-07-23 14:12:20,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,774 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) [2022-07-23 14:12:20,775 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 [2022-07-23 14:12:20,777 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 [2022-07-23 14:12:20,783 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:20,783 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:20,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,783 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:20,784 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:20,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-07-23 14:12:20,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,813 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) [2022-07-23 14:12:20,815 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 [2022-07-23 14:12:20,819 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 [2022-07-23 14:12:20,822 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:20,822 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:20,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,822 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:20,827 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-23 14:12:20,827 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-23 14:12:20,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,859 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 [2022-07-23 14:12:20,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,864 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) [2022-07-23 14:12:20,867 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 [2022-07-23 14:12:20,869 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 [2022-07-23 14:12:20,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:20,878 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:20,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,879 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:20,881 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:20,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,928 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 [2022-07-23 14:12:20,928 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-07-23 14:12:20,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,929 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) [2022-07-23 14:12:20,931 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 [2022-07-23 14:12:20,932 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 [2022-07-23 14:12:20,940 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:20,941 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:12:20,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:20,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,941 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:20,941 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:20,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:20,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:20,962 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 [2022-07-23 14:12:20,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:20,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:20,964 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) [2022-07-23 14:12:20,967 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 [2022-07-23 14:12:20,975 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:20,975 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:12:20,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:20,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:20,975 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:20,976 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 [2022-07-23 14:12:20,982 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-23 14:12:20,983 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 14:12:21,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:21,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:21,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:21,032 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) [2022-07-23 14:12:21,032 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 [2022-07-23 14:12:21,034 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 [2022-07-23 14:12:21,040 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:21,040 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:12:21,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:21,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:21,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:21,041 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:21,041 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:21,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:21,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:21,132 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-07-23 14:12:21,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:21,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:21,148 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) [2022-07-23 14:12:21,184 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 [2022-07-23 14:12:21,187 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 [2022-07-23 14:12:21,192 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:21,195 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:21,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:21,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:21,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:21,195 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:21,196 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:21,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:21,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,235 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 [2022-07-23 14:12:21,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:21,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:21,237 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) [2022-07-23 14:12:21,243 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 [2022-07-23 14:12:21,251 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:21,251 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:21,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:21,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:21,252 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:21,260 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-07-23 14:12:21,260 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-07-23 14:12:21,269 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 [2022-07-23 14:12:21,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:21,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:21,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:21,337 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) [2022-07-23 14:12:21,343 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 [2022-07-23 14:12:21,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:21,351 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:21,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:21,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:21,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:21,352 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:12:21,353 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:12:21,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:21,356 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 [2022-07-23 14:12:21,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:21,388 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-07-23 14:12:21,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:21,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:21,390 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) [2022-07-23 14:12:21,391 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 [2022-07-23 14:12:21,392 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 [2022-07-23 14:12:21,400 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:21,400 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:21,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:21,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:21,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:21,400 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:21,401 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:21,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:21,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,436 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 [2022-07-23 14:12:21,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:21,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:21,438 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) [2022-07-23 14:12:21,439 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 [2022-07-23 14:12:21,441 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 [2022-07-23 14:12:21,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:21,449 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:21,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:21,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:21,449 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:21,456 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-23 14:12:21,456 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 14:12:21,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,499 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 [2022-07-23 14:12:21,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:21,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:21,501 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) [2022-07-23 14:12:21,503 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 [2022-07-23 14:12:21,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:21,511 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:12:21,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:21,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:21,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:21,511 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:12:21,511 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 [2022-07-23 14:12:21,512 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:12:21,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:21,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:21,548 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-07-23 14:12:21,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:21,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:21,549 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) [2022-07-23 14:12:21,551 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 [2022-07-23 14:12:21,552 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 [2022-07-23 14:12:21,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:21,559 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:21,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:21,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:21,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:21,560 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:12:21,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:21,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:21,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:21,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:21,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:21,596 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) [2022-07-23 14:12:21,604 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 [2022-07-23 14:12:21,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:21,614 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:21,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:21,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:21,614 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:12:21,624 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-07-23 14:12:21,625 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-07-23 14:12:21,631 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 [2022-07-23 14:12:21,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,681 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 [2022-07-23 14:12:21,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:21,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:21,683 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) [2022-07-23 14:12:21,684 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 [2022-07-23 14:12:21,685 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 [2022-07-23 14:12:21,692 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:12:21,692 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:12:21,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:21,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:21,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:21,693 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:12:21,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:21,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:21,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:21,727 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 [2022-07-23 14:12:21,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 02:12:21 BoogieIcfgContainer [2022-07-23 14:12:21,732 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 14:12:21,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 14:12:21,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 14:12:21,733 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 14:12:21,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:12:02" (3/4) ... [2022-07-23 14:12:21,737 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 14:12:21,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 14:12:21,738 INFO L158 Benchmark]: Toolchain (without parser) took 19736.16ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 84.2MB in the beginning and 70.3MB in the end (delta: 13.9MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2022-07-23 14:12:21,738 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 123.7MB. Free memory was 100.4MB in the beginning and 100.4MB in the end (delta: 70.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:12:21,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.27ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 99.2MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 14:12:21,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.12ms. Allocated memory is still 123.7MB. Free memory was 99.2MB in the beginning and 98.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:12:21,739 INFO L158 Benchmark]: Boogie Preprocessor took 18.37ms. Allocated memory is still 123.7MB. Free memory was 98.0MB in the beginning and 96.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:12:21,740 INFO L158 Benchmark]: RCFGBuilder took 199.21ms. Allocated memory is still 123.7MB. Free memory was 96.8MB in the beginning and 88.8MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 14:12:21,740 INFO L158 Benchmark]: BuchiAutomizer took 19241.83ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 88.4MB in the beginning and 70.3MB in the end (delta: 18.1MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2022-07-23 14:12:21,740 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 153.1MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:12:21,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 123.7MB. Free memory was 100.4MB in the beginning and 100.4MB in the end (delta: 70.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.27ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 99.2MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.12ms. Allocated memory is still 123.7MB. Free memory was 99.2MB in the beginning and 98.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.37ms. Allocated memory is still 123.7MB. Free memory was 98.0MB in the beginning and 96.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 199.21ms. Allocated memory is still 123.7MB. Free memory was 96.8MB in the beginning and 88.8MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 19241.83ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 88.4MB in the beginning and 70.3MB in the end (delta: 18.1MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 153.1MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.1s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 18.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 39 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div532 bol100 ite100 ukn100 eq125 hnf96 smp31 dnf100 smp100 tf104 neg99 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 63ms VariablesStem: 3 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~y~0#1 >= 113383);" "assume !!(main_~y~0#1 > 1);" "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" Loop: "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" RESULT: Ultimate could not prove your program: unable to determine termination [2022-07-23 14:12:21,759 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN