./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/knuth-nosqrt-both-nt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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-nla/knuth-nosqrt-both-nt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash ca1a9df26896febb4415bcdd1e46e70fe2c8b283193110413dc193d22c6c8cb9 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 17:21:14,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 17:21:14,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 17:21:14,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 17:21:14,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 17:21:14,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 17:21:14,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 17:21:14,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 17:21:14,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 17:21:14,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 17:21:14,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 17:21:14,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 17:21:14,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 17:21:14,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 17:21:14,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 17:21:14,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 17:21:14,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 17:21:14,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 17:21:14,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 17:21:14,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 17:21:14,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 17:21:14,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 17:21:14,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 17:21:14,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 17:21:14,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 17:21:14,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 17:21:14,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 17:21:14,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 17:21:14,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 17:21:14,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 17:21:14,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 17:21:14,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 17:21:14,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 17:21:14,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 17:21:14,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 17:21:14,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 17:21:14,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 17:21:14,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 17:21:14,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 17:21:14,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 17:21:14,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 17:21:14,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 17:21:14,345 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 17:21:14,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 17:21:14,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 17:21:14,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 17:21:14,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 17:21:14,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 17:21:14,346 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 17:21:14,347 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 17:21:14,347 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 17:21:14,347 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 17:21:14,347 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 17:21:14,347 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 17:21:14,347 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 17:21:14,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 17:21:14,348 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 17:21:14,348 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 17:21:14,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 17:21:14,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 17:21:14,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 17:21:14,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 17:21:14,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 17:21:14,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 17:21:14,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 17:21:14,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 17:21:14,349 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 17:21:14,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 17:21:14,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 17:21:14,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 17:21:14,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 17:21:14,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 17:21:14,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 17:21:14,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 17:21:14,351 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 17:21:14,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca1a9df26896febb4415bcdd1e46e70fe2c8b283193110413dc193d22c6c8cb9 [2021-12-19 17:21:14,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 17:21:14,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 17:21:14,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 17:21:14,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 17:21:14,581 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 17:21:14,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/knuth-nosqrt-both-nt.i [2021-12-19 17:21:14,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3058947/99b651c8f80347d49f347ce0adb6329c/FLAG5b87f4fb9 [2021-12-19 17:21:15,014 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 17:21:15,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/knuth-nosqrt-both-nt.i [2021-12-19 17:21:15,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3058947/99b651c8f80347d49f347ce0adb6329c/FLAG5b87f4fb9 [2021-12-19 17:21:15,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3058947/99b651c8f80347d49f347ce0adb6329c [2021-12-19 17:21:15,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 17:21:15,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 17:21:15,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 17:21:15,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 17:21:15,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 17:21:15,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6528414b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15, skipping insertion in model container [2021-12-19 17:21:15,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 17:21:15,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 17:21:15,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 17:21:15,225 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 17:21:15,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 17:21:15,256 INFO L208 MainTranslator]: Completed translation [2021-12-19 17:21:15,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15 WrapperNode [2021-12-19 17:21:15,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 17:21:15,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 17:21:15,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 17:21:15,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 17:21:15,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,289 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2021-12-19 17:21:15,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 17:21:15,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 17:21:15,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 17:21:15,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 17:21:15,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 17:21:15,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 17:21:15,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 17:21:15,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 17:21:15,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (1/1) ... [2021-12-19 17:21:15,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:21:15,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:15,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:21:15,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-19 17:21:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 17:21:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 17:21:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-12-19 17:21:15,400 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 17:21:15,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 17:21:15,498 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 17:21:15,502 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 17:21:15,502 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 17:21:15,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:21:15 BoogieIcfgContainer [2021-12-19 17:21:15,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 17:21:15,504 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 17:21:15,504 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 17:21:15,506 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 17:21:15,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:21:15,507 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 05:21:15" (1/3) ... [2021-12-19 17:21:15,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79b447e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:21:15, skipping insertion in model container [2021-12-19 17:21:15,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:21:15,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:15" (2/3) ... [2021-12-19 17:21:15,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79b447e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:21:15, skipping insertion in model container [2021-12-19 17:21:15,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:21:15,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:21:15" (3/3) ... [2021-12-19 17:21:15,509 INFO L388 chiAutomizerObserver]: Analyzing ICFG knuth-nosqrt-both-nt.i [2021-12-19 17:21:15,550 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 17:21:15,571 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 17:21:15,571 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 17:21:15,571 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 17:21:15,571 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 17:21:15,571 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 17:21:15,572 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 17:21:15,572 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 17:21:15,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:21:15,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-19 17:21:15,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:21:15,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:21:15,605 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-19 17:21:15,605 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-19 17:21:15,605 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 17:21:15,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:21:15,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-19 17:21:15,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:21:15,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:21:15,607 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-19 17:21:15,607 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-19 17:21:15,611 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret1#1, main_#t~ret2#1, main_~s~0#1, main_~a~0#1, main_~r~0#1, main_~k~0#1, main_~q~0#1, main_~d~0#1, main_~n~0#1, main_~t~0#1;havoc main_~s~0#1;havoc main_~a~0#1;havoc main_~r~0#1;havoc main_~k~0#1;havoc main_~q~0#1;havoc main_~d~0#1;havoc main_~n~0#1;havoc main_~t~0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~s~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1;call main_#t~ret2#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret2#1;havoc main_#t~ret2#1; 6#L15true assume !(main_~s~0#1 % 4294967296 >= 8192); 10#L18true assume !(main_~a~0#1 % 4294967296 <= 2);main_~n~0#1 := main_~s~0#1 * main_~s~0#1;main_~d~0#1 := main_~a~0#1;main_~r~0#1 := (if main_~n~0#1 % 4294967296 < 0 && 0 != main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296) then (if main_~d~0#1 % 4294967296 < 0 then main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296) + main_~d~0#1 % 4294967296 else main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296) - main_~d~0#1 % 4294967296) else main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296));main_~t~0#1 := 0;main_~k~0#1 := (if main_~n~0#1 % 4294967296 < 0 && 0 != main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296) then (if (main_~d~0#1 - 2) % 4294967296 < 0 then main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296) + (main_~d~0#1 - 2) % 4294967296 else main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296) - (main_~d~0#1 - 2) % 4294967296) else main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296));main_~q~0#1 := 4 * ((if main_~n~0#1 % 4294967296 < 0 && 0 != main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296) then (if (main_~d~0#1 - 2) % 4294967296 < 0 then main_~n~0#1 % 4294967296 / ((main_~d~0#1 - 2) % 4294967296) - 1 else 1 + main_~n~0#1 % 4294967296 / ((main_~d~0#1 - 2) % 4294967296)) else main_~n~0#1 % 4294967296 / ((main_~d~0#1 - 2) % 4294967296)) - (if main_~n~0#1 % 4294967296 < 0 && 0 != main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296) then (if main_~d~0#1 % 4294967296 < 0 then main_~n~0#1 % 4294967296 / (main_~d~0#1 % 4294967296) - 1 else 1 + main_~n~0#1 % 4294967296 / (main_~d~0#1 % 4294967296)) else main_~n~0#1 % 4294967296 / (main_~d~0#1 % 4294967296))); 11#L40-2true [2021-12-19 17:21:15,617 INFO L793 eck$LassoCheckResult]: Loop: 11#L40-2true assume !false; 12#L28true assume !!(0 == (main_~d~0#1 * main_~k~0#1 - main_~d~0#1 * main_~t~0#1 - main_~a~0#1 * main_~k~0#1 + main_~a~0#1 * main_~t~0#1) % 4294967296); 7#L29true assume (2 * main_~r~0#1 + main_~q~0#1) % 4294967296 < main_~k~0#1 % 4294967296;main_~t~0#1 := main_~r~0#1;main_~r~0#1 := 2 + (2 * main_~r~0#1 - main_~k~0#1 + main_~q~0#1 + main_~d~0#1);main_~k~0#1 := main_~t~0#1;main_~q~0#1 := 4 + main_~q~0#1;main_~d~0#1 := 2 + main_~d~0#1; 11#L40-2true [2021-12-19 17:21:15,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:21:15,625 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-12-19 17:21:15,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:21:15,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919363756] [2021-12-19 17:21:15,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:15,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:21:15,687 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:21:15,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1847907950] [2021-12-19 17:21:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:15,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:21:15,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:15,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:21:15,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-19 17:21:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:15,744 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:21:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:15,756 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:21:15,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:21:15,759 INFO L85 PathProgramCache]: Analyzing trace with hash 50807, now seen corresponding path program 1 times [2021-12-19 17:21:15,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:21:15,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942375286] [2021-12-19 17:21:15,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:15,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:21:15,763 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:21:15,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1320028198] [2021-12-19 17:21:15,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:15,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:21:15,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:15,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:21:15,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-19 17:21:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:15,839 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:21:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:15,844 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:21:15,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:21:15,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1806911792, now seen corresponding path program 1 times [2021-12-19 17:21:15,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:21:15,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002825165] [2021-12-19 17:21:15,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:15,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:21:15,849 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:21:15,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585989209] [2021-12-19 17:21:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:15,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:21:15,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:15,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:21:15,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-19 17:21:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:20,673 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:21:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:20,873 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:21:56,206 WARN L227 SmtUtils]: Spent 35.33s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-19 17:21:56,568 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:21:56,569 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:21:56,569 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:21:56,569 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:21:56,569 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 17:21:56,569 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:21:56,570 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:21:56,570 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:21:56,570 INFO L133 ssoRankerPreferences]: Filename of dumped script: knuth-nosqrt-both-nt.i_Iteration1_Loop [2021-12-19 17:21:56,570 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:21:56,570 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:21:56,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:22:40,746 WARN L227 SmtUtils]: Spent 44.14s on a formula simplification. DAG size of input: 66 DAG size of output: 63 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:22:55,281 WARN L227 SmtUtils]: Spent 14.53s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:22:55,284 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:22:55,285 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 17:22:55,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:55,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:55,290 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:22:55,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-19 17:22:55,294 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 17:22:55,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 17:22:55,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-19 17:22:55,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:55,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:55,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:22:55,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-19 17:22:55,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 17:22:55,332 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 17:22:55,367 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 17:22:55,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-19 17:22:55,386 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:22:55,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:22:55,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:22:55,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:22:55,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 17:22:55,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:55,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:22:55,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:22:55,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: knuth-nosqrt-both-nt.i_Iteration1_Loop [2021-12-19 17:22:55,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:22:55,386 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:22:55,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:23:01,037 WARN L227 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 66 DAG size of output: 63 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:23:01,458 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:23:01,467 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 17:23:01,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:01,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:01,469 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:23:01,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-19 17:23:01,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:01,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:01,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:01,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:01,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:01,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:23:01,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:23:01,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:01,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:01,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:01,519 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-19 17:23:01,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:01,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:01,521 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:23:01,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-19 17:23:01,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:01,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:01,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:01,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:01,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:01,529 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:01,535 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:23:01,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:01,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:01,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:01,561 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-19 17:23:01,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:01,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:01,562 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:23:01,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-19 17:23:01,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:01,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:01,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:01,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:01,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:01,570 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:01,580 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:01,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:01,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:01,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:01,614 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-19 17:23:01,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:01,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:01,616 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:23:01,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-19 17:23:01,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:01,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:01,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:01,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:01,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:01,625 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:01,637 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:23:01,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:01,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:01,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:01,664 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-19 17:23:01,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:01,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:01,665 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:23:01,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-19 17:23:01,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:01,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:01,673 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:01,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:01,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:01,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:01,674 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:01,680 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:23:01,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:01,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:01,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:01,748 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-19 17:23:01,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:01,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:01,750 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:23:01,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-19 17:23:01,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:01,760 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:01,760 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:23:01,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:01,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:01,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:01,760 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:01,773 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:01,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:02,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:02,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:02,266 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-19 17:23:02,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:02,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:02,267 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:23:02,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-19 17:23:02,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:02,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:02,277 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:02,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:02,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:02,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:02,277 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:02,292 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:23:02,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:12,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:12,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:12,684 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-19 17:23:12,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:12,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:12,685 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:23:12,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-19 17:23:12,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:12,695 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:12,695 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:12,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:12,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:12,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:12,696 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:12,701 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:12,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:12,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:12,748 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 [2021-12-19 17:23:12,748 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-19 17:23:12,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:12,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:12,749 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:23:12,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-19 17:23:12,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:12,762 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:12,762 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:12,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:12,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:12,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:12,763 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:23:12,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:23:12,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:12,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:12,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:19,520 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:23:19,520 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:23:19,520 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:23:19,520 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:23:19,520 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 17:23:19,520 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:19,520 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:23:19,520 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:23:19,520 INFO L133 ssoRankerPreferences]: Filename of dumped script: knuth-nosqrt-both-nt.i_Iteration1_Lasso [2021-12-19 17:23:19,520 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:23:19,520 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:23:19,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:23:20,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:23:20,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:23:20,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:23:57,771 WARN L227 SmtUtils]: Spent 37.32s on a formula simplification. DAG size of input: 127 DAG size of output: 94 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:24:02,869 WARN L227 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 66 DAG size of output: 63 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:24:06,461 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:24:06,461 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 17:24:06,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:24:06,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:24:06,462 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:24:06,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-19 17:24:06,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 17:24:06,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 17:24:06,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-19 17:24:06,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:24:06,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:24:06,496 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:24:06,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-19 17:24:06,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 17:24:06,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 17:24:06,523 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 17:24:06,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-19 17:24:06,539 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:24:06,539 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:24:06,539 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:24:06,539 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:24:06,539 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 17:24:06,539 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:24:06,539 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:24:06,539 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:24:06,539 INFO L133 ssoRankerPreferences]: Filename of dumped script: knuth-nosqrt-both-nt.i_Iteration1_Lasso [2021-12-19 17:24:06,539 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:24:06,539 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:24:06,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:24:09,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:24:09,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:24:09,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:24:22,919 WARN L227 SmtUtils]: Spent 12.95s on a formula simplification. DAG size of input: 127 DAG size of output: 94 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:24:48,519 WARN L227 SmtUtils]: Spent 25.36s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:25:18,909 WARN L227 SmtUtils]: Spent 30.39s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:25:18,913 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:25:18,913 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 17:25:18,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:18,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:18,914 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:18,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:18,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:18,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-19 17:25:18,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:18,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:18,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:25:18,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:25:18,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:25:18,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,007 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-19 17:25:19,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:25:19,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:25:19,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,049 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-19 17:25:19,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:25:19,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:25:19,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,099 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:25:19,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:25:19,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-19 17:25:19,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,149 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-19 17:25:19,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,150 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-19 17:25:19,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,159 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:25:19,174 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-19 17:25:19,174 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-19 17:25:19,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,244 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-19 17:25:19,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,254 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:25:19,255 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:25:19,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,300 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-19 17:25:19,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,308 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:25:19,309 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:25:19,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,342 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-19 17:25:19,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,349 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:25:19,350 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:25:19,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,368 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-19 17:25:19,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,370 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-19 17:25:19,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,377 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:19,395 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-19 17:25:19,395 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-19 17:25:19,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,468 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,478 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:19,479 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:25:19,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-19 17:25:19,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,506 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-19 17:25:19,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,516 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:19,516 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:25:19,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,533 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-19 17:25:19,535 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 [2021-12-19 17:25:19,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,541 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:19,542 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:25:19,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,558 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-19 17:25:19,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,559 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-19 17:25:19,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,569 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:25:19,622 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-19 17:25:19,623 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-19 17:25:19,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,688 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-19 17:25:19,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,696 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:25:19,697 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:25:19,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,715 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-19 17:25:19,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,730 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:25:19,731 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:25:19,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,747 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 [2021-12-19 17:25:19,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,748 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-19 17:25:19,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:25:19,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:19,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,756 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:25:19,758 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:25:19,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:19,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:19,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:19,790 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-19 17:25:19,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:19,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:19,791 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:19,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-19 17:25:19,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:19,800 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:19,800 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:25:19,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:19,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:19,800 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:25:19,825 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-19 17:25:19,825 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-19 17:25:20,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:20,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:20,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:20,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:20,050 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:20,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-19 17:25:20,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:20,057 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:20,058 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:25:20,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:20,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:20,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:20,058 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:25:20,058 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:25:20,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:20,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:20,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-19 17:25:20,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:20,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:20,077 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:20,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-19 17:25:20,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:20,085 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:20,086 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:25:20,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:20,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:20,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:20,086 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:25:20,086 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:25:20,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:20,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:20,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:20,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:20,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:20,103 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:20,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-19 17:25:20,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:20,111 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:20,111 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:25:20,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:20,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:20,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:20,111 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:25:20,112 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:25:20,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:20,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:20,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:20,127 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-19 17:25:20,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:20,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:20,128 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:20,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-19 17:25:20,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:20,137 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:20,137 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:25:20,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:20,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:20,137 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:20,168 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-19 17:25:20,168 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-19 17:25:27,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:27,911 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 [2021-12-19 17:25:27,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:27,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:27,912 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:27,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-19 17:25:27,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:27,920 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:27,920 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:25:27,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:27,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:27,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:27,920 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:27,921 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:25:27,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:27,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:27,941 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 [2021-12-19 17:25:27,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:27,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:27,942 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:27,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-19 17:25:27,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:27,953 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:27,954 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:25:27,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:27,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:27,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:27,954 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:27,955 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:25:27,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:27,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:27,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-19 17:25:27,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:27,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:27,972 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:27,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-19 17:25:27,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:27,984 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:27,984 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:25:27,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:27,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:27,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:27,984 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:27,985 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:25:27,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:28,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:28,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:28,023 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-19 17:25:28,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:28,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:28,024 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:28,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-19 17:25:28,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:28,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:28,039 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:25:28,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:28,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:28,040 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:25:28,078 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-19 17:25:28,078 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-19 17:25:40,136 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-12-19 17:25:40,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:40,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:40,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:40,144 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:40,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-19 17:25:40,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:40,153 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:40,153 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:25:40,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:40,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:40,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:40,153 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:25:40,155 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:25:40,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:40,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:40,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-19 17:25:40,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:40,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:40,174 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:40,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-19 17:25:40,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:40,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:40,182 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:25:40,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:40,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:40,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:40,182 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:25:40,183 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:25:40,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:40,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:40,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:40,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:40,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:40,212 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:40,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-19 17:25:40,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:40,221 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:40,221 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:25:40,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:40,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:40,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:40,221 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:25:40,222 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:25:40,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:40,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:40,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-19 17:25:40,241 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-19 17:25:40,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:40,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:40,242 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:40,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-19 17:25:40,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:40,251 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:40,251 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:25:40,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:40,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:40,251 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:40,269 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-19 17:25:40,269 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-19 17:25:40,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:40,386 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 [2021-12-19 17:25:40,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:40,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:40,387 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:40,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-19 17:25:40,390 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 [2021-12-19 17:25:40,396 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:40,396 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:25:40,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:40,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:40,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:40,396 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:40,396 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:25:40,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:40,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:40,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:40,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:40,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:40,413 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:40,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-19 17:25:40,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:40,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:40,422 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:25:40,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:40,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:40,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:40,422 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:40,422 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:25:40,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:40,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:40,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-19 17:25:40,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:40,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:40,439 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:40,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-19 17:25:40,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:40,448 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:40,448 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:25:40,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:40,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:40,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:40,448 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:25:40,449 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:25:40,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:40,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:40,464 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 [2021-12-19 17:25:40,465 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-19 17:25:40,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:40,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:40,466 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:40,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-19 17:25:40,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:40,475 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:40,475 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:25:40,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:40,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:40,475 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:25:40,511 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-19 17:25:40,512 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-19 17:25:41,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:41,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:41,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:41,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:41,921 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:41,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-19 17:25:41,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:41,929 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:41,929 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:25:41,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:41,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:41,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:41,930 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:25:41,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:25:41,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:41,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:41,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:41,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:41,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:41,948 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:41,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-19 17:25:41,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:41,956 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:41,956 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:25:41,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:41,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:41,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:41,956 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:25:41,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:25:41,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:41,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:41,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:41,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:25:41,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:41,991 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 17:25:41,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-19 17:25:41,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:25:41,999 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:25:41,999 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:25:41,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:25:41,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:25:41,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:25:41,999 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:25:42,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:25:42,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:25:42,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:25:42,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-19 17:25:42,018 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-12-19 17:25:42,018 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret1#1, main_#t~ret2#1, main_~s~0#1, main_~a~0#1, main_~r~0#1, main_~k~0#1, main_~q~0#1, main_~d~0#1, main_~n~0#1, main_~t~0#1;havoc main_~s~0#1;havoc main_~a~0#1;havoc main_~r~0#1;havoc main_~k~0#1;havoc main_~q~0#1;havoc main_~d~0#1;havoc main_~n~0#1;havoc main_~t~0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~s~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1;call main_#t~ret2#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret2#1;havoc main_#t~ret2#1; 6#L15true assume !(main_~s~0#1 % 4294967296 >= 8192); 10#L18true assume !(main_~a~0#1 % 4294967296 <= 2);main_~n~0#1 := main_~s~0#1 * main_~s~0#1;main_~d~0#1 := main_~a~0#1;main_~r~0#1 := (if main_~n~0#1 % 4294967296 < 0 && 0 != main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296) then (if main_~d~0#1 % 4294967296 < 0 then main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296) + main_~d~0#1 % 4294967296 else main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296) - main_~d~0#1 % 4294967296) else main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296));main_~t~0#1 := 0;main_~k~0#1 := (if main_~n~0#1 % 4294967296 < 0 && 0 != main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296) then (if (main_~d~0#1 - 2) % 4294967296 < 0 then main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296) + (main_~d~0#1 - 2) % 4294967296 else main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296) - (main_~d~0#1 - 2) % 4294967296) else main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296));main_~q~0#1 := 4 * ((if main_~n~0#1 % 4294967296 < 0 && 0 != main_~n~0#1 % 4294967296 % ((main_~d~0#1 - 2) % 4294967296) then (if (main_~d~0#1 - 2) % 4294967296 < 0 then main_~n~0#1 % 4294967296 / ((main_~d~0#1 - 2) % 4294967296) - 1 else 1 + main_~n~0#1 % 4294967296 / ((main_~d~0#1 - 2) % 4294967296)) else main_~n~0#1 % 4294967296 / ((main_~d~0#1 - 2) % 4294967296)) - (if main_~n~0#1 % 4294967296 < 0 && 0 != main_~n~0#1 % 4294967296 % (main_~d~0#1 % 4294967296) then (if main_~d~0#1 % 4294967296 < 0 then main_~n~0#1 % 4294967296 / (main_~d~0#1 % 4294967296) - 1 else 1 + main_~n~0#1 % 4294967296 / (main_~d~0#1 % 4294967296)) else main_~n~0#1 % 4294967296 / (main_~d~0#1 % 4294967296))); 11#L40-2true assume !false; 12#L28true assume !!(0 == (main_~d~0#1 * main_~k~0#1 - main_~d~0#1 * main_~t~0#1 - main_~a~0#1 * main_~k~0#1 + main_~a~0#1 * main_~t~0#1) % 4294967296); 7#L29true assume (2 * main_~r~0#1 + main_~q~0#1) % 4294967296 < main_~k~0#1 % 4294967296;main_~t~0#1 := main_~r~0#1;main_~r~0#1 := 2 + (2 * main_~r~0#1 - main_~k~0#1 + main_~q~0#1 + main_~d~0#1);main_~k~0#1 := main_~t~0#1;main_~q~0#1 := 4 + main_~q~0#1;main_~d~0#1 := 2 + main_~d~0#1; 11#L40-2true [2021-12-19 17:25:42,018 INFO L793 eck$LassoCheckResult]: Loop: 11#L40-2true assume !false; 12#L28true assume !!(0 == (main_~d~0#1 * main_~k~0#1 - main_~d~0#1 * main_~t~0#1 - main_~a~0#1 * main_~k~0#1 + main_~a~0#1 * main_~t~0#1) % 4294967296); 7#L29true assume (2 * main_~r~0#1 + main_~q~0#1) % 4294967296 < main_~k~0#1 % 4294967296;main_~t~0#1 := main_~r~0#1;main_~r~0#1 := 2 + (2 * main_~r~0#1 - main_~k~0#1 + main_~q~0#1 + main_~d~0#1);main_~k~0#1 := main_~t~0#1;main_~q~0#1 := 4 + main_~q~0#1;main_~d~0#1 := 2 + main_~d~0#1; 11#L40-2true [2021-12-19 17:25:42,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:25:42,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1806911792, now seen corresponding path program 2 times [2021-12-19 17:25:42,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:25:42,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18143608] [2021-12-19 17:25:42,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:25:42,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:25:42,022 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:25:42,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1341727237] [2021-12-19 17:25:42,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-19 17:25:42,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:25:42,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:42,023 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:25:42,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-12-19 17:25:46,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-19 17:25:46,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-19 17:25:46,922 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:25:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:25:47,124 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:25:47,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:25:47,125 INFO L85 PathProgramCache]: Analyzing trace with hash 50807, now seen corresponding path program 2 times [2021-12-19 17:25:47,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:25:47,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276519450] [2021-12-19 17:25:47,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:25:47,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:25:47,127 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:25:47,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063375459] [2021-12-19 17:25:47,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-19 17:25:47,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:25:47,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:47,128 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:25:47,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-12-19 17:25:47,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-19 17:25:47,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-19 17:25:47,144 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:25:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:25:47,148 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:25:47,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:25:47,149 INFO L85 PathProgramCache]: Analyzing trace with hash 884095720, now seen corresponding path program 3 times [2021-12-19 17:25:47,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:25:47,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213166922] [2021-12-19 17:25:47,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:25:47,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:25:47,152 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:25:47,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1719599543] [2021-12-19 17:25:47,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-19 17:25:47,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:25:47,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:25:47,165 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:25:47,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process Killed by 15