./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/divbin1-both-nt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 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/divbin1-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 34d019f936433212ffb98f9f63454a8763bb76cd95f2f69226ba6fae3efa4715 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 14:54:06,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 14:54:06,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 14:54:06,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 14:54:06,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 14:54:06,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 14:54:06,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 14:54:06,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 14:54:06,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 14:54:06,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 14:54:06,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 14:54:06,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 14:54:06,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 14:54:06,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 14:54:06,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 14:54:06,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 14:54:06,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 14:54:06,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 14:54:06,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 14:54:06,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 14:54:06,488 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 14:54:06,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 14:54:06,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 14:54:06,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 14:54:06,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 14:54:06,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 14:54:06,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 14:54:06,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 14:54:06,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 14:54:06,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 14:54:06,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 14:54:06,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 14:54:06,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 14:54:06,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 14:54:06,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 14:54:06,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 14:54:06,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 14:54:06,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 14:54:06,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 14:54:06,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 14:54:06,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 14:54:06,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 14:54:06,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 14:54:06,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 14:54:06,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 14:54:06,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 14:54:06,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 14:54:06,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 14:54:06,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 14:54:06,524 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 14:54:06,524 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 14:54:06,525 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 14:54:06,525 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 14:54:06,525 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 14:54:06,526 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 14:54:06,526 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 14:54:06,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 14:54:06,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 14:54:06,527 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 14:54:06,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 14:54:06,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 14:54:06,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 14:54:06,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 14:54:06,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 14:54:06,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 14:54:06,528 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 14:54:06,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 14:54:06,528 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 14:54:06,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 14:54:06,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 14:54:06,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 14:54:06,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 14:54:06,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 14:54:06,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 14:54:06,530 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 14:54:06,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34d019f936433212ffb98f9f63454a8763bb76cd95f2f69226ba6fae3efa4715 [2022-07-14 14:54:06,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 14:54:06,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 14:54:06,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 14:54:06,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 14:54:06,761 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 14:54:06,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/divbin1-both-nt.i [2022-07-14 14:54:06,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b78e35642/de8a5e2f0f954247aa3079a33ea2d401/FLAGa7bc61d12 [2022-07-14 14:54:07,184 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 14:54:07,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/divbin1-both-nt.i [2022-07-14 14:54:07,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b78e35642/de8a5e2f0f954247aa3079a33ea2d401/FLAGa7bc61d12 [2022-07-14 14:54:07,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b78e35642/de8a5e2f0f954247aa3079a33ea2d401 [2022-07-14 14:54:07,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 14:54:07,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 14:54:07,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 14:54:07,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 14:54:07,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 14:54:07,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749e4ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07, skipping insertion in model container [2022-07-14 14:54:07,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 14:54:07,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 14:54:07,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:54:07,386 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 14:54:07,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:54:07,411 INFO L208 MainTranslator]: Completed translation [2022-07-14 14:54:07,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07 WrapperNode [2022-07-14 14:54:07,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 14:54:07,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 14:54:07,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 14:54:07,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 14:54:07,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,434 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-07-14 14:54:07,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 14:54:07,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 14:54:07,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 14:54:07,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 14:54:07,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 14:54:07,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 14:54:07,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 14:54:07,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 14:54:07,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (1/1) ... [2022-07-14 14:54:07,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:54:07,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:54:07,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:54:07,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-14 14:54:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 14:54:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 14:54:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2022-07-14 14:54:07,542 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 14:54:07,543 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 14:54:07,623 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 14:54:07,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 14:54:07,628 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 14:54:07,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:54:07 BoogieIcfgContainer [2022-07-14 14:54:07,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 14:54:07,630 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 14:54:07,630 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 14:54:07,632 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 14:54:07,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:54:07,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 02:54:07" (1/3) ... [2022-07-14 14:54:07,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32538a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 02:54:07, skipping insertion in model container [2022-07-14 14:54:07,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:54:07,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:07" (2/3) ... [2022-07-14 14:54:07,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32538a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 02:54:07, skipping insertion in model container [2022-07-14 14:54:07,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:54:07,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:54:07" (3/3) ... [2022-07-14 14:54:07,635 INFO L354 chiAutomizerObserver]: Analyzing ICFG divbin1-both-nt.i [2022-07-14 14:54:07,675 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 14:54:07,676 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 14:54:07,676 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 14:54:07,676 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 14:54:07,676 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 14:54:07,676 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 14:54:07,676 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 14:54:07,676 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 14:54:07,679 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) [2022-07-14 14:54:07,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 14:54:07,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:54:07,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:54:07,695 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-14 14:54:07,695 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 14:54:07,695 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 14:54:07,696 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) [2022-07-14 14:54:07,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 14:54:07,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:54:07,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:54:07,698 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-14 14:54:07,698 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 14:54:07,703 INFO L752 eck$LassoCheckResult]: Stem: 4#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~ret0#1, main_#t~ret1#1, main_~A~0#1, main_~B~0#1, main_~q~0#1, main_~r~0#1, main_~b~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~b~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~A~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~B~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 5#L15true assume !(main_~B~0#1 % 4294967296 >= 2147483647); 2#L16true assume !(main_~B~0#1 % 4294967296 < 1); 10#L17true assume !(main_~A~0#1 % 4294967296 >= 2147483647);main_~q~0#1 := 0;main_~r~0#1 := main_~A~0#1;main_~b~0#1 := main_~B~0#1; 11#L21true assume main_~r~0#1 % 4294967296 < main_~b~0#1 % 4294967296; 9#L23-1true [2022-07-14 14:54:07,703 INFO L754 eck$LassoCheckResult]: Loop: 9#L23-1true assume !!(main_~A~0#1 % 4294967296 == (main_~q~0#1 * main_~b~0#1 + main_~r~0#1) % 4294967296); 12#L23true assume !(2 * (if main_~b~0#1 % 4294967296 < 0 && 0 != main_~b~0#1 % 4294967296 % 2 then 1 + main_~b~0#1 % 4294967296 / 2 else main_~b~0#1 % 4294967296 / 2) % 4294967296 == main_~b~0#1 % 4294967296); 9#L23-1true [2022-07-14 14:54:07,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:54:07,708 INFO L85 PathProgramCache]: Analyzing trace with hash 889571339, now seen corresponding path program 1 times [2022-07-14 14:54:07,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:54:07,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99430933] [2022-07-14 14:54:07,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:54:07,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:54:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:54:07,799 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:54:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:54:07,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:54:07,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:54:07,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1900, now seen corresponding path program 1 times [2022-07-14 14:54:07,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:54:07,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824939787] [2022-07-14 14:54:07,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:54:07,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:54:07,841 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 14:54:07,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [670243152] [2022-07-14 14:54:07,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:54:07,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:54:07,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:54:07,843 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) [2022-07-14 14:54:07,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 14:54:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:54:07,885 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:54:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:54:07,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:54:07,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:54:07,891 INFO L85 PathProgramCache]: Analyzing trace with hash 179565814, now seen corresponding path program 1 times [2022-07-14 14:54:07,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:54:07,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769789888] [2022-07-14 14:54:07,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:54:07,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:54:07,896 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 14:54:07,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1034149277] [2022-07-14 14:54:07,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:54:07,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:54:07,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:54:07,899 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) [2022-07-14 14:54:07,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 14:54:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:54:07,920 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:54:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:54:07,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:54:20,337 WARN L233 SmtUtils]: Spent 12.41s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:54:33,022 WARN L233 SmtUtils]: Spent 12.66s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-14 14:54:58,134 WARN L233 SmtUtils]: Spent 25.11s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:55:10,901 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:55:10,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:55:10,902 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:55:10,902 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:55:10,902 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 14:55:10,902 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:10,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:55:10,902 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:55:10,902 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Lasso [2022-07-14 14:55:10,902 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:55:10,902 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:55:10,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:55:10,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:55:10,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:55:36,051 WARN L233 SmtUtils]: Spent 25.07s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 442] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2022-07-14 14:55:36,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:55:36,774 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:55:36,774 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 14:55:36,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:36,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:36,820 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:36,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-14 14:55:36,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 14:55:36,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:55:36,840 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 14:55:36,840 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 14:55:36,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:36,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:36,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:36,864 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:36,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-14 14:55:36,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 14:55:36,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:55:36,872 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 14:55:36,873 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0#1=0} Honda state: {ULTIMATE.start_main_#t~ret0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 14:55:36,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:36,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:36,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:36,891 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:36,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-14 14:55:36,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 14:55:36,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:55:36,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:36,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:36,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:36,950 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:36,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-14 14:55:36,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 14:55:36,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:55:36,983 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 14:55:37,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:37,001 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:55:37,001 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:55:37,001 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:55:37,001 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:55:37,001 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 14:55:37,001 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:37,001 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:55:37,001 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:55:37,001 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Lasso [2022-07-14 14:55:37,002 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:55:37,002 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:55:37,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:55:37,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:55:37,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:55:37,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:55:49,512 WARN L233 SmtUtils]: Spent 12.47s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 442] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2022-07-14 14:55:50,226 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:55:50,229 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 14:55:50,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,233 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-14 14:55:50,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:55:50,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:55:50,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,301 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:55:50,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:55:50,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-14 14:55:50,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,345 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:55:50,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:55:50,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-14 14:55:50,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,389 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-14 14:55:50,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:55:50,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:55:50,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:55:50,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,446 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-14 14:55:50,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,447 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,463 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:55:50,466 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-14 14:55:50,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-14 14:55:50,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,511 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-14 14:55:50,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,521 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:55:50,522 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-14 14:55:50,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,555 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 [2022-07-14 14:55:50,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,557 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-14 14:55:50,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,565 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:55:50,566 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-14 14:55:50,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,604 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-14 14:55:50,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,612 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:55:50,623 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-14 14:55:50,623 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-14 14:55:50,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,654 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-07-14 14:55:50,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,656 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-14 14:55:50,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,664 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:50,664 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:55:50,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,691 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-14 14:55:50,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,698 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:50,699 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:55:50,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,728 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-14 14:55:50,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,736 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:50,736 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:55:50,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,767 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 [2022-07-14 14:55:50,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,768 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-14 14:55:50,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,777 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:50,809 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-14 14:55:50,809 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 14:55:50,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,842 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-07-14 14:55:50,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,843 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,858 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-14 14:55:50,858 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-14 14:55:50,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-14 14:55:50,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:50,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,887 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-14 14:55:50,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,896 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-14 14:55:50,903 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-14 14:55:50,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,937 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 [2022-07-14 14:55:50,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,939 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-14 14:55:50,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:50,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:50,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:50,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:50,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:50,952 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-14 14:55:50,954 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-14 14:55:50,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:50,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:50,995 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 [2022-07-14 14:55:50,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:50,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:50,997 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:50,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-14 14:55:50,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:55:51,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,007 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-14 14:55:51,027 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-07-14 14:55:51,028 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-07-14 14:55:51,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:51,070 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-07-14 14:55:51,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,072 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-14 14:55:51,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,081 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,081 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-14 14:55:51,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,081 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:55:51,083 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-14 14:55:51,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,117 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 [2022-07-14 14:55:51,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,119 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-14 14:55:51,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,127 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,127 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-14 14:55:51,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,127 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:55:51,128 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-14 14:55:51,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,163 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 [2022-07-14 14:55:51,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,165 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-14 14:55:51,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,173 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,173 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-14 14:55:51,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,173 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:55:51,174 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-14 14:55:51,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:51,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,209 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,221 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,221 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-14 14:55:51,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,221 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:55:51,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-14 14:55:51,231 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-14 14:55:51,231 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-14 14:55:51,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,277 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 [2022-07-14 14:55:51,277 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-07-14 14:55:51,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,278 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-14 14:55:51,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,287 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,287 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-14 14:55:51,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,287 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:51,288 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:55:51,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,314 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 [2022-07-14 14:55:51,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,316 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-14 14:55:51,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,324 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,324 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-14 14:55:51,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,324 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:51,325 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:55:51,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,360 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 [2022-07-14 14:55:51,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,362 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-14 14:55:51,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,379 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,379 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-14 14:55:51,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,379 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:51,380 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:55:51,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-14 14:55:51,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,408 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-14 14:55:51,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,417 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,417 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-14 14:55:51,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,418 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:51,436 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-14 14:55:51,436 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 14:55:51,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:51,477 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-07-14 14:55:51,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,478 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-14 14:55:51,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,489 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,490 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-14 14:55:51,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,490 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-14 14:55:51,491 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-14 14:55:51,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:51,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,524 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-14 14:55:51,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,533 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,533 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-14 14:55:51,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,533 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-14 14:55:51,534 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-14 14:55:51,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:51,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,569 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-14 14:55:51,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,577 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,578 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-14 14:55:51,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,578 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-14 14:55:51,579 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-14 14:55:51,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:51,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,618 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,628 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,628 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-14 14:55:51,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,628 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-14 14:55:51,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-14 14:55:51,653 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-07-14 14:55:51,653 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-07-14 14:55:51,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:51,700 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-07-14 14:55:51,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,715 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,723 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,724 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-14 14:55:51,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,724 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:51,725 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:55:51,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-14 14:55:51,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,753 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 [2022-07-14 14:55:51,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,755 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-14 14:55:51,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,763 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-14 14:55:51,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,763 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:51,764 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:55:51,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,795 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 [2022-07-14 14:55:51,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,797 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-14 14:55:51,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,805 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,805 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-14 14:55:51,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,805 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:51,806 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:55:51,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:51,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,840 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-14 14:55:51,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,849 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,849 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-14 14:55:51,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,849 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:55:51,861 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-14 14:55:51,861 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 14:55:51,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:51,899 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-07-14 14:55:51,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,900 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-14 14:55:51,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,909 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,909 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-14 14:55:51,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,909 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-14 14:55:51,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:55:51,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,938 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 [2022-07-14 14:55:51,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,939 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-14 14:55:51,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,947 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-14 14:55:51,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,948 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-14 14:55:51,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:55:51,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:51,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-07-14 14:55:51,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:51,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:51,967 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:51,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-14 14:55:51,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:55:51,976 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:51,976 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-14 14:55:51,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:55:51,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:51,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:51,976 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-14 14:55:51,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:55:51,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:55:51,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:52,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-07-14 14:55:52,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:55:52,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:52,005 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:55:52,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-14 14:55:52,010 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 [2022-07-14 14:55:52,017 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:55:52,017 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-14 14:55:52,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:55:52,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:55:52,017 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-14 14:55:52,036 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-07-14 14:55:52,036 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-07-14 14:55:52,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:55:52,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-07-14 14:55:52,076 INFO L321 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2022-07-14 14:55:52,076 INFO L752 eck$LassoCheckResult]: Stem: 4#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~ret0#1, main_#t~ret1#1, main_~A~0#1, main_~B~0#1, main_~q~0#1, main_~r~0#1, main_~b~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~b~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~A~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~B~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 5#L15true assume !(main_~B~0#1 % 4294967296 >= 2147483647); 2#L16true assume !(main_~B~0#1 % 4294967296 < 1); 10#L17true assume !(main_~A~0#1 % 4294967296 >= 2147483647);main_~q~0#1 := 0;main_~r~0#1 := main_~A~0#1;main_~b~0#1 := main_~B~0#1; 11#L21true assume main_~r~0#1 % 4294967296 < main_~b~0#1 % 4294967296; 9#L23-1true assume !!(main_~A~0#1 % 4294967296 == (main_~q~0#1 * main_~b~0#1 + main_~r~0#1) % 4294967296); 12#L23true assume !(2 * (if main_~b~0#1 % 4294967296 < 0 && 0 != main_~b~0#1 % 4294967296 % 2 then 1 + main_~b~0#1 % 4294967296 / 2 else main_~b~0#1 % 4294967296 / 2) % 4294967296 == main_~b~0#1 % 4294967296); 9#L23-1true [2022-07-14 14:55:52,076 INFO L754 eck$LassoCheckResult]: Loop: 9#L23-1true assume !!(main_~A~0#1 % 4294967296 == (main_~q~0#1 * main_~b~0#1 + main_~r~0#1) % 4294967296); 12#L23true assume !(2 * (if main_~b~0#1 % 4294967296 < 0 && 0 != main_~b~0#1 % 4294967296 % 2 then 1 + main_~b~0#1 % 4294967296 / 2 else main_~b~0#1 % 4294967296 / 2) % 4294967296 == main_~b~0#1 % 4294967296); 9#L23-1true [2022-07-14 14:55:52,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:55:52,076 INFO L85 PathProgramCache]: Analyzing trace with hash 179565814, now seen corresponding path program 2 times [2022-07-14 14:55:52,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:55:52,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010958640] [2022-07-14 14:55:52,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:55:52,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:55:52,081 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 14:55:52,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934140859] [2022-07-14 14:55:52,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 14:55:52,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:55:52,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:52,083 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 14:55:52,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 14:55:52,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-14 14:55:52,104 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:55:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:55:52,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-07-14 14:55:52,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:55:52,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:55:52,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1900, now seen corresponding path program 2 times [2022-07-14 14:55:52,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:55:52,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891821397] [2022-07-14 14:55:52,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:55:52,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:55:52,112 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 14:55:52,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878365165] [2022-07-14 14:55:52,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 14:55:52,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:55:52,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:52,114 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 14:55:52,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-07-14 14:55:52,129 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 14:55:52,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-14 14:55:52,129 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:55:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:55:52,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:55:52,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:55:52,133 INFO L85 PathProgramCache]: Analyzing trace with hash 764056353, now seen corresponding path program 3 times [2022-07-14 14:55:52,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:55:52,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296957722] [2022-07-14 14:55:52,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:55:52,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:55:52,137 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 14:55:52,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153646352] [2022-07-14 14:55:52,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-14 14:55:52,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 14:55:52,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:55:52,140 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 14:55:52,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-07-14 14:55:52,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-14 14:55:52,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-14 14:55:52,164 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:55:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:55:52,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:56:17,424 WARN L233 SmtUtils]: Spent 25.24s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:56:30,056 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:56:30,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:56:30,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:56:30,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:56:30,057 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 14:56:30,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:30,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:56:30,057 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:56:30,057 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Loop [2022-07-14 14:56:30,057 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:56:30,057 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:56:30,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:56:42,741 WARN L233 SmtUtils]: Spent 12.68s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 442] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2022-07-14 14:56:43,103 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:56:43,104 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 14:56:43,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:43,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:43,114 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:43,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-14 14:56:43,115 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 14:56:43,115 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:56:43,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-07-14 14:56:43,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:43,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:43,147 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:43,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-14 14:56:43,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 14:56:43,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:56:43,167 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 14:56:43,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-14 14:56:43,183 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:56:43,183 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:56:43,183 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:56:43,183 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:56:43,183 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 14:56:43,183 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:43,183 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:56:43,183 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:56:43,183 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Loop [2022-07-14 14:56:43,183 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:56:43,183 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:56:43,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:56:55,834 WARN L233 SmtUtils]: Spent 12.65s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 442] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2022-07-14 14:56:56,256 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:56:56,256 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 14:56:56,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:56,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:56,257 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:56,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-14 14:56:56,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:56:56,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:56:56,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:56:56,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:56:56,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:56:56,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:56:56,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:56:56,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:56:56,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:56:56,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-14 14:56:56,291 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-14 14:56:56,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:56,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:56,292 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:56,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-14 14:56:56,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:56:56,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:56:56,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:56:56,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:56:56,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:56:56,299 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:56:56,301 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-14 14:56:56,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:56:56,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:56:56,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-07-14 14:56:56,336 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-07-14 14:56:56,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:56,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:56,337 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:56,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-14 14:56:56,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:56:56,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:56:56,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:56:56,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:56:56,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:56:56,345 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:56:56,348 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:56:56,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:56:56,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:56:56,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-07-14 14:56:56,367 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-07-14 14:56:56,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:56,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:56,368 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:56,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-14 14:56:56,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:56:56,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:56:56,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:56:56,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:56:56,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:56:56,375 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-14 14:56:56,379 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-14 14:56:56,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:56:56,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:56:56,409 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 [2022-07-14 14:56:56,410 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-07-14 14:56:56,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:56,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:56,412 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:56,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-14 14:56:56,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:56:56,419 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:56:56,419 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-14 14:56:56,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:56:56,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:56:56,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:56:56,420 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:56:56,422 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-14 14:56:56,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:56:56,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:56:56,454 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 [2022-07-14 14:56:56,454 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-07-14 14:56:56,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:56,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:56,456 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:56,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-14 14:56:56,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:56:56,464 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:56:56,464 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-14 14:56:56,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:56:56,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:56:56,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:56:56,464 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:56:56,468 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:56:56,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:56:56,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:56:56,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-07-14 14:56:56,500 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-07-14 14:56:56,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:56,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:56,501 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:56,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-14 14:56:56,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:56:56,509 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:56:56,509 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-14 14:56:56,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:56:56,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:56:56,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:56:56,509 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-14 14:56:56,514 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-14 14:56:56,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:56:56,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:56:56,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-07-14 14:56:56,546 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-07-14 14:56:56,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:56,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:56,547 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:56,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-14 14:56:56,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:56:56,556 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:56:56,556 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-14 14:56:56,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:56:56,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:56:56,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:56:56,556 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-14 14:56:56,559 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-14 14:56:56,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:56:56,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:56:56,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-07-14 14:56:56,598 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-07-14 14:56:56,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:56:56,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:56:56,600 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:56:56,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-14 14:56:56,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:56:56,608 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-14 14:56:56,608 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-14 14:56:56,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:56:56,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:56:56,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:56:56,608 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-14 14:56:56,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:56:56,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:56:56,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:56:56,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-14 14:57:21,840 WARN L233 SmtUtils]: Spent 25.19s on a formula simplification. DAG size of input: 34 DAG size of output: 24 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:57:34,488 WARN L233 SmtUtils]: Spent 12.65s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-14 14:57:59,811 WARN L233 SmtUtils]: Spent 25.29s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:57:59,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 02:57:59 BoogieIcfgContainer [2022-07-14 14:57:59,826 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 14:57:59,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 14:57:59,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 14:57:59,827 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 14:57:59,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:54:07" (3/4) ... [2022-07-14 14:57:59,829 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-14 14:57:59,847 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 14:57:59,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 14:57:59,848 INFO L158 Benchmark]: Toolchain (without parser) took 232641.82ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 65.8MB in the beginning and 92.5MB in the end (delta: -26.7MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2022-07-14 14:57:59,848 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 96.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:57:59,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.98ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 65.6MB in the beginning and 100.8MB in the end (delta: -35.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-07-14 14:57:59,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.24ms. Allocated memory is still 123.7MB. Free memory was 100.8MB in the beginning and 99.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:57:59,848 INFO L158 Benchmark]: Boogie Preprocessor took 21.72ms. Allocated memory is still 123.7MB. Free memory was 99.2MB in the beginning and 98.4MB in the end (delta: 871.5kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 14:57:59,849 INFO L158 Benchmark]: RCFGBuilder took 171.60ms. Allocated memory is still 123.7MB. Free memory was 98.4MB in the beginning and 89.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 14:57:59,849 INFO L158 Benchmark]: BuchiAutomizer took 232196.96ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 93.6MB in the end (delta: -4.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-07-14 14:57:59,849 INFO L158 Benchmark]: Witness Printer took 20.30ms. Allocated memory is still 123.7MB. Free memory was 93.6MB in the beginning and 92.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 14:57:59,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 96.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.98ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 65.6MB in the beginning and 100.8MB in the end (delta: -35.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.24ms. Allocated memory is still 123.7MB. Free memory was 100.8MB in the beginning and 99.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.72ms. Allocated memory is still 123.7MB. Free memory was 99.2MB in the beginning and 98.4MB in the end (delta: 871.5kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 171.60ms. Allocated memory is still 123.7MB. Free memory was 98.4MB in the beginning and 89.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 232196.96ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 93.6MB in the end (delta: -4.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Witness Printer took 20.30ms. Allocated memory is still 123.7MB. Free memory was 93.6MB in the beginning and 92.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 232.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 232.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div792 bol100 ite100 ukn100 eq139 hnf96 smp35 dnf100 smp100 tf101 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 29ms VariablesStem: 0 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 22]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e69d6a3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2680ae8f=0, A=0, q=0, r=0, \result=0, b=1, B=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 22]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L11] unsigned A, B; [L12] unsigned q, r, b; [L13] A = __VERIFIER_nondet_unsigned_int() [L14] B = __VERIFIER_nondet_unsigned_int() [L15] COND FALSE !(B >= (0x7fffffff * 2U + 1U)/2) [L16] COND FALSE !(B < 1) [L17] COND FALSE !(A >= (0x7fffffff * 2U + 1U)/2) [L18] q = 0 [L19] r = A [L20] b = B [L21] COND TRUE r < b [L22] COND TRUE A == q * b + r [L23] COND FALSE !(2 * (b / 2) == b) Loop: [L22] COND TRUE A == q * b + r [L23] COND FALSE !(2 * (b / 2) == b) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-14 14:57:59,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-07-14 14:58:00,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2022-07-14 14:58:00,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2022-07-14 14:58:00,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-14 14:58:00,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-14 14:58:00,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)