./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/Primes.c --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/recursive/Primes.c -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 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 16:00:18,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 16:00:18,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 16:00:18,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 16:00:18,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 16:00:18,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 16:00:18,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 16:00:18,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 16:00:18,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 16:00:18,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 16:00:18,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 16:00:18,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 16:00:18,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 16:00:18,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 16:00:18,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 16:00:18,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 16:00:18,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 16:00:18,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 16:00:18,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 16:00:18,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 16:00:18,515 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 16:00:18,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 16:00:18,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 16:00:18,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 16:00:18,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 16:00:18,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 16:00:18,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 16:00:18,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 16:00:18,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 16:00:18,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 16:00:18,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 16:00:18,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 16:00:18,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 16:00:18,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 16:00:18,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 16:00:18,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 16:00:18,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 16:00:18,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 16:00:18,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 16:00:18,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 16:00:18,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 16:00:18,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 16:00:18,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 16:00:18,550 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 16:00:18,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 16:00:18,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 16:00:18,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 16:00:18,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 16:00:18,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 16:00:18,551 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 16:00:18,551 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 16:00:18,551 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 16:00:18,551 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 16:00:18,551 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 16:00:18,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 16:00:18,552 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 16:00:18,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 16:00:18,553 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 16:00:18,553 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 16:00:18,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 16:00:18,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 16:00:18,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 16:00:18,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 16:00:18,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 16:00:18,554 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 16:00:18,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e [2022-07-14 16:00:18,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 16:00:18,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 16:00:18,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 16:00:18,775 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 16:00:18,776 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 16:00:18,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Primes.c [2022-07-14 16:00:18,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79bddcaaf/b807f225e0544e9299b44d295474d85d/FLAG5bbdffe65 [2022-07-14 16:00:19,195 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 16:00:19,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Primes.c [2022-07-14 16:00:19,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79bddcaaf/b807f225e0544e9299b44d295474d85d/FLAG5bbdffe65 [2022-07-14 16:00:19,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79bddcaaf/b807f225e0544e9299b44d295474d85d [2022-07-14 16:00:19,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 16:00:19,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 16:00:19,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 16:00:19,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 16:00:19,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 16:00:19,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547174f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19, skipping insertion in model container [2022-07-14 16:00:19,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 16:00:19,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 16:00:19,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2022-07-14 16:00:19,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:00:19,338 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 16:00:19,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2022-07-14 16:00:19,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:00:19,363 INFO L208 MainTranslator]: Completed translation [2022-07-14 16:00:19,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19 WrapperNode [2022-07-14 16:00:19,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 16:00:19,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 16:00:19,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 16:00:19,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 16:00:19,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,387 INFO L137 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-07-14 16:00:19,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 16:00:19,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 16:00:19,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 16:00:19,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 16:00:19,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 16:00:19,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 16:00:19,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 16:00:19,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 16:00:19,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (1/1) ... [2022-07-14 16:00:19,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:19,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:19,448 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 16:00:19,474 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 16:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2022-07-14 16:00:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2022-07-14 16:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 16:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2022-07-14 16:00:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2022-07-14 16:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2022-07-14 16:00:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2022-07-14 16:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 16:00:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 16:00:19,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 16:00:19,543 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 16:00:19,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 16:00:19,688 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 16:00:19,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 16:00:19,693 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 16:00:19,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:00:19 BoogieIcfgContainer [2022-07-14 16:00:19,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 16:00:19,695 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 16:00:19,695 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 16:00:19,698 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 16:00:19,698 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:00:19,698 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 04:00:19" (1/3) ... [2022-07-14 16:00:19,699 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62e2e41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:00:19, skipping insertion in model container [2022-07-14 16:00:19,699 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:00:19,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:19" (2/3) ... [2022-07-14 16:00:19,699 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62e2e41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:00:19, skipping insertion in model container [2022-07-14 16:00:19,699 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:00:19,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:00:19" (3/3) ... [2022-07-14 16:00:19,700 INFO L354 chiAutomizerObserver]: Analyzing ICFG Primes.c [2022-07-14 16:00:19,769 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 16:00:19,769 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 16:00:19,769 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 16:00:19,770 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 16:00:19,770 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 16:00:19,770 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 16:00:19,770 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 16:00:19,770 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 16:00:19,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-14 16:00:19,796 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-07-14 16:00:19,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:19,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:19,802 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-14 16:00:19,802 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:19,802 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 16:00:19,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-14 16:00:19,806 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-07-14 16:00:19,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:19,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:19,814 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-14 16:00:19,814 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:19,819 INFO L752 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 15#L78true assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 22#L53true call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 31#is_prime_ENTRYtrue [2022-07-14 16:00:19,821 INFO L754 eck$LassoCheckResult]: Loop: 31#is_prime_ENTRYtrue ~n := #in~n;~m := #in~m; 50#L58true assume !(~n <= 1); 32#L61true assume !(2 == ~n); 47#L64true assume ~n > 2; 8#L65true assume !(~m <= 1); 27#L68true call #t~ret10 := multiple_of(~n, ~m);< 45#multiple_ofENTRYtrue ~n := #in~n;~m := #in~m; 42#L32true assume !(~m < 0); 48#L35true assume !(~n < 0); 14#L38true assume 0 == ~m;#res := 0; 18#multiple_ofFINALtrue assume true; 19#multiple_ofEXITtrue >#122#return; 20#L68-1true assume !(0 == #t~ret10);havoc #t~ret10; 4#L71true call #t~ret11 := is_prime_(~n, ~m - 1);< 31#is_prime_ENTRYtrue [2022-07-14 16:00:19,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 1 times [2022-07-14 16:00:19,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:19,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379855413] [2022-07-14 16:00:19,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:19,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:19,948 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:19,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:19,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:19,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1788949215, now seen corresponding path program 1 times [2022-07-14 16:00:19,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:19,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709959300] [2022-07-14 16:00:19,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:19,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:20,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 16:00:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:20,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:00:20,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709959300] [2022-07-14 16:00:20,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709959300] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:00:20,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:00:20,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 16:00:20,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057704786] [2022-07-14 16:00:20,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:00:20,101 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-14 16:00:20,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:00:20,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 16:00:20,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 16:00:20,123 INFO L87 Difference]: Start difference. First operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:00:20,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:00:20,196 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2022-07-14 16:00:20,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 16:00:20,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 80 transitions. [2022-07-14 16:00:20,204 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-07-14 16:00:20,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 41 states and 54 transitions. [2022-07-14 16:00:20,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2022-07-14 16:00:20,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2022-07-14 16:00:20,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2022-07-14 16:00:20,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:00:20,210 INFO L369 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2022-07-14 16:00:20,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2022-07-14 16:00:20,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2022-07-14 16:00:20,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 30 states have internal predecessors, (37), 9 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-14 16:00:20,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2022-07-14 16:00:20,233 INFO L392 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2022-07-14 16:00:20,233 INFO L374 stractBuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2022-07-14 16:00:20,233 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 16:00:20,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2022-07-14 16:00:20,237 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-07-14 16:00:20,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:20,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:20,239 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-14 16:00:20,239 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:20,239 INFO L752 eck$LassoCheckResult]: Stem: 155#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 139#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 134#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 135#is_prime_ENTRY [2022-07-14 16:00:20,239 INFO L754 eck$LassoCheckResult]: Loop: 135#is_prime_ENTRY ~n := #in~n;~m := #in~m; 149#L58 assume !(~n <= 1); 150#L61 assume !(2 == ~n); 151#L64 assume ~n > 2; 144#L65 assume !(~m <= 1); 126#L68 call #t~ret10 := multiple_of(~n, ~m);< 137#multiple_ofENTRY ~n := #in~n;~m := #in~m; 160#L32 assume !(~m < 0); 161#L35 assume !(~n < 0); 158#L38 assume !(0 == ~m); 159#L41 assume 0 == ~n;#res := 1; 130#multiple_ofFINAL assume true; 162#multiple_ofEXIT >#122#return; 163#L68-1 assume !(0 == #t~ret10);havoc #t~ret10; 133#L71 call #t~ret11 := is_prime_(~n, ~m - 1);< 135#is_prime_ENTRY [2022-07-14 16:00:20,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:20,245 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 2 times [2022-07-14 16:00:20,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:20,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458580327] [2022-07-14 16:00:20,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:20,257 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:20,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:20,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:20,266 INFO L85 PathProgramCache]: Analyzing trace with hash 399153633, now seen corresponding path program 1 times [2022-07-14 16:00:20,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:20,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530254862] [2022-07-14 16:00:20,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:20,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 16:00:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:20,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:00:20,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530254862] [2022-07-14 16:00:20,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530254862] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:00:20,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:00:20,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 16:00:20,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482076907] [2022-07-14 16:00:20,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:00:20,314 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-14 16:00:20,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:00:20,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 16:00:20,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 16:00:20,315 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:00:20,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:00:20,383 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2022-07-14 16:00:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 16:00:20,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-07-14 16:00:20,388 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-07-14 16:00:20,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 57 transitions. [2022-07-14 16:00:20,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2022-07-14 16:00:20,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2022-07-14 16:00:20,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 57 transitions. [2022-07-14 16:00:20,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:00:20,392 INFO L369 hiAutomatonCegarLoop]: Abstraction has 43 states and 57 transitions. [2022-07-14 16:00:20,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 57 transitions. [2022-07-14 16:00:20,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2022-07-14 16:00:20,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 32 states have internal predecessors, (38), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-07-14 16:00:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2022-07-14 16:00:20,398 INFO L392 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2022-07-14 16:00:20,398 INFO L374 stractBuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2022-07-14 16:00:20,398 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 16:00:20,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2022-07-14 16:00:20,399 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-07-14 16:00:20,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:20,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:20,402 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-14 16:00:20,403 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:20,403 INFO L752 eck$LassoCheckResult]: Stem: 255#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 240#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 233#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 234#is_prime_ENTRY [2022-07-14 16:00:20,403 INFO L754 eck$LassoCheckResult]: Loop: 234#is_prime_ENTRY ~n := #in~n;~m := #in~m; 248#L58 assume !(~n <= 1); 251#L61 assume !(2 == ~n); 252#L64 assume ~n > 2; 243#L65 assume !(~m <= 1); 226#L68 call #t~ret10 := multiple_of(~n, ~m);< 236#multiple_ofENTRY ~n := #in~n;~m := #in~m; 260#L32 assume !(~m < 0); 261#L35 assume !(~n < 0); 258#L38 assume !(0 == ~m); 259#L41 assume !(0 == ~n); 227#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 236#multiple_ofENTRY ~n := #in~n;~m := #in~m; 260#L32 assume !(~m < 0); 261#L35 assume !(~n < 0); 258#L38 assume !(0 == ~m); 259#L41 assume 0 == ~n;#res := 1; 250#multiple_ofFINAL assume true; 262#multiple_ofEXIT >#112#return; 224#L44-1 #res := #t~ret8;havoc #t~ret8; 229#multiple_ofFINAL assume true; 264#multiple_ofEXIT >#122#return; 263#L68-1 assume !(0 == #t~ret10);havoc #t~ret10; 232#L71 call #t~ret11 := is_prime_(~n, ~m - 1);< 234#is_prime_ENTRY [2022-07-14 16:00:20,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:20,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 3 times [2022-07-14 16:00:20,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:20,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739120145] [2022-07-14 16:00:20,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:20,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:20,415 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:20,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:20,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:20,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1840266607, now seen corresponding path program 1 times [2022-07-14 16:00:20,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:20,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006379205] [2022-07-14 16:00:20,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:20,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:20,444 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:20,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:20,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:20,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1482001207, now seen corresponding path program 1 times [2022-07-14 16:00:20,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:20,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243836050] [2022-07-14 16:00:20,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:20,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-14 16:00:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 16:00:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-14 16:00:20,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:00:20,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243836050] [2022-07-14 16:00:20,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243836050] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 16:00:20,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449119475] [2022-07-14 16:00:20,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:20,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 16:00:20,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:20,562 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 16:00:20,563 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 16:00:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:20,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-14 16:00:20,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-14 16:00:20,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 16:00:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-14 16:00:20,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449119475] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 16:00:20,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 16:00:20,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2022-07-14 16:00:20,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154895143] [2022-07-14 16:00:20,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 16:00:21,179 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:21,180 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:21,180 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:21,180 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:21,180 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 16:00:21,181 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,181 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:21,181 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:21,181 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2022-07-14 16:00:21,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:21,181 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:21,189 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 16:00:21,194 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 16:00:21,195 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 16:00:21,197 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 16:00:21,203 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 16:00:21,205 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 16:00:21,244 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:21,244 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 16:00:21,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:21,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:21,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-14 16:00:21,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:21,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:21,273 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:21,273 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret11=0} Honda state: {is_prime__#t~ret11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:21,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:21,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:21,444 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 16:00:21,445 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 16:00:21,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:21,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:21,468 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:21,469 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~m=0} Honda state: {is_prime__~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:21,486 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 16:00:21,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:21,488 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 16:00:21,489 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 16:00:21,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:21,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:21,505 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:21,505 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~n=0} Honda state: {is_prime__~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:21,520 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 16:00:21,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:21,521 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 16:00:21,522 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 16:00:21,524 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:21,524 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:21,572 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 16:00:21,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:21,574 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 16:00:21,576 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 16:00:21,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 16:00:21,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:21,743 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 16:00:21,746 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 16:00:21,746 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:21,746 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:21,746 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:21,746 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:21,746 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:00:21,746 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:21,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:21,746 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2022-07-14 16:00:21,746 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:21,747 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:21,747 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 16:00:21,749 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 16:00:21,751 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 16:00:21,753 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 16:00:21,759 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 16:00:21,761 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 16:00:21,793 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:21,796 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:00:21,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:21,800 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 16:00:21,801 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 16:00:21,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:21,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:21,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:21,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:21,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:21,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:21,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:21,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:21,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:21,840 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 16:00:21,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:21,842 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 16:00:21,844 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 16:00:21,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:21,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:21,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:21,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:21,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:21,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:21,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:21,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:21,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:21,886 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 16:00:21,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:21,887 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 16:00:21,888 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 16:00:21,889 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 16:00:21,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:21,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:21,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:21,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:21,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:21,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:21,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:21,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:21,912 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 16:00:21,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:21,913 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 16:00:21,915 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 16:00:21,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:00:21,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:21,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:21,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:21,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:21,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:21,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:21,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:21,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:00:21,936 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-14 16:00:21,936 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-14 16:00:21,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:21,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:21,939 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 16:00:21,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:00:21,941 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 16:00:21,941 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:00:21,941 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(is_prime__#in~m) = 1*is_prime__#in~m Supporting invariants [] [2022-07-14 16:00:21,944 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 16:00:21,958 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 16:00:21,960 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 16:00:21,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:21,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 16:00:21,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:22,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-14 16:00:22,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:22,097 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 16:00:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-14 16:00:22,195 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2022-07-14 16:00:22,196 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 16:00:22,572 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 322 states and 477 transitions. Complement of second has 71 states. [2022-07-14 16:00:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 11 non-accepting loop states 1 accepting loop states [2022-07-14 16:00:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 16:00:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 77 transitions. [2022-07-14 16:00:22,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 24 letters. [2022-07-14 16:00:22,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:22,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 28 letters. Loop has 24 letters. [2022-07-14 16:00:22,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:22,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 48 letters. [2022-07-14 16:00:22,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:22,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 477 transitions. [2022-07-14 16:00:22,585 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 [2022-07-14 16:00:22,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 264 states and 371 transitions. [2022-07-14 16:00:22,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2022-07-14 16:00:22,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2022-07-14 16:00:22,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 264 states and 371 transitions. [2022-07-14 16:00:22,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:22,591 INFO L369 hiAutomatonCegarLoop]: Abstraction has 264 states and 371 transitions. [2022-07-14 16:00:22,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states and 371 transitions. [2022-07-14 16:00:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 163. [2022-07-14 16:00:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 119 states have internal predecessors, (155), 28 states have call successors, (28), 13 states have call predecessors, (28), 17 states have return successors, (37), 30 states have call predecessors, (37), 23 states have call successors, (37) [2022-07-14 16:00:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2022-07-14 16:00:22,604 INFO L392 hiAutomatonCegarLoop]: Abstraction has 163 states and 220 transitions. [2022-07-14 16:00:22,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:00:22,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 16:00:22,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-07-14 16:00:22,605 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 11 states have internal predecessors, (42), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-14 16:00:22,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:00:22,728 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-07-14 16:00:22,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 16:00:22,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 229 transitions. [2022-07-14 16:00:22,731 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-07-14 16:00:22,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 107 states and 147 transitions. [2022-07-14 16:00:22,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2022-07-14 16:00:22,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2022-07-14 16:00:22,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 147 transitions. [2022-07-14 16:00:22,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:00:22,733 INFO L369 hiAutomatonCegarLoop]: Abstraction has 107 states and 147 transitions. [2022-07-14 16:00:22,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 147 transitions. [2022-07-14 16:00:22,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 93. [2022-07-14 16:00:22,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 71 states have internal predecessors, (93), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2022-07-14 16:00:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2022-07-14 16:00:22,745 INFO L392 hiAutomatonCegarLoop]: Abstraction has 93 states and 126 transitions. [2022-07-14 16:00:22,745 INFO L374 stractBuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2022-07-14 16:00:22,745 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-14 16:00:22,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 126 transitions. [2022-07-14 16:00:22,746 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-07-14 16:00:22,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:22,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:22,746 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:22,746 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 16:00:22,746 INFO L752 eck$LassoCheckResult]: Stem: 1356#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 1335#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1336#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 1359#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 1378#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1382#L58 assume !(~n <= 1); 1383#L61 assume !(2 == ~n); 1386#L64 assume ~n > 2; 1381#L65 assume !(~m <= 1); 1360#L68 call #t~ret10 := multiple_of(~n, ~m);< 1388#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1405#L32 assume ~m < 0; 1364#L33 [2022-07-14 16:00:22,747 INFO L754 eck$LassoCheckResult]: Loop: 1364#L33 call #t~ret6 := multiple_of(~n, -~m);< 1346#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1372#L32 assume ~m < 0; 1364#L33 [2022-07-14 16:00:22,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:22,747 INFO L85 PathProgramCache]: Analyzing trace with hash -123397399, now seen corresponding path program 1 times [2022-07-14 16:00:22,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:22,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800978215] [2022-07-14 16:00:22,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:22,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:00:22,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800978215] [2022-07-14 16:00:22,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800978215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:00:22,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:00:22,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 16:00:22,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177886965] [2022-07-14 16:00:22,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:00:22,780 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 16:00:22,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:22,780 INFO L85 PathProgramCache]: Analyzing trace with hash 132621, now seen corresponding path program 1 times [2022-07-14 16:00:22,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:22,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267750113] [2022-07-14 16:00:22,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:22,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:22,785 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:22,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:22,828 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:22,828 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:22,828 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:22,828 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:22,828 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 16:00:22,828 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:22,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:22,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:22,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2022-07-14 16:00:22,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:22,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:22,830 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 16:00:22,831 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 16:00:22,835 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 16:00:22,837 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 16:00:22,841 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 16:00:22,842 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 16:00:22,872 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:22,872 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 16:00:22,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:22,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:22,873 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 16:00:22,875 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 16:00:22,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:22,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:22,898 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:22,898 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret6=0} Honda state: {multiple_of_#t~ret6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:22,915 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 16:00:22,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:22,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:22,917 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 16:00:22,918 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 16:00:22,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:22,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:22,957 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 16:00:22,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:22,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:22,959 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 16:00:22,960 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 16:00:22,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 16:00:22,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:24,280 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 16:00:24,284 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 16:00:24,285 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:24,285 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:24,285 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:24,285 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:24,285 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:00:24,285 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,285 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:24,285 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:24,285 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2022-07-14 16:00:24,285 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:24,285 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:24,286 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 16:00:24,295 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 16:00:24,296 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 16:00:24,301 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 16:00:24,302 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 16:00:24,304 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 16:00:24,334 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:24,334 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:00:24,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,336 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 16:00:24,337 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 16:00:24,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:24,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:24,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:24,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:24,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:24,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:24,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:24,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:24,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:24,374 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 16:00:24,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,378 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 16:00:24,379 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 16:00:24,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:00:24,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:24,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:24,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:24,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:24,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:24,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:24,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:24,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:24,404 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 16:00:24,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,405 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 16:00:24,417 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 16:00:24,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:24,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:24,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:24,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:24,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:24,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:24,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:24,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:24,439 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:00:24,440 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-14 16:00:24,441 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-14 16:00:24,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,442 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 16:00:24,442 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 16:00:24,444 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:00:24,444 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 16:00:24,444 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:00:24,444 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_~m) = 1*multiple_of_~m Supporting invariants [] [2022-07-14 16:00:24,459 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 16:00:24,463 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 16:00:24,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:24,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 16:00:24,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:24,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:00:24,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:24,539 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-14 16:00:24,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 93 states and 126 transitions. cyclomatic complexity: 36 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:00:24,588 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 93 states and 126 transitions. cyclomatic complexity: 36. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 191 states and 253 transitions. Complement of second has 18 states. [2022-07-14 16:00:24,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-14 16:00:24,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:00:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2022-07-14 16:00:24,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 3 letters. [2022-07-14 16:00:24,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:24,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 15 letters. Loop has 3 letters. [2022-07-14 16:00:24,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:24,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 6 letters. [2022-07-14 16:00:24,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:24,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 253 transitions. [2022-07-14 16:00:24,600 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 42 [2022-07-14 16:00:24,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 137 states and 182 transitions. [2022-07-14 16:00:24,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2022-07-14 16:00:24,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 114 [2022-07-14 16:00:24,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 182 transitions. [2022-07-14 16:00:24,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:24,606 INFO L369 hiAutomatonCegarLoop]: Abstraction has 137 states and 182 transitions. [2022-07-14 16:00:24,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 182 transitions. [2022-07-14 16:00:24,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 108. [2022-07-14 16:00:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 84 states have internal predecessors, (106), 23 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2022-07-14 16:00:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 146 transitions. [2022-07-14 16:00:24,610 INFO L392 hiAutomatonCegarLoop]: Abstraction has 108 states and 146 transitions. [2022-07-14 16:00:24,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:00:24,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 16:00:24,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 16:00:24,611 INFO L87 Difference]: Start difference. First operand 108 states and 146 transitions. Second operand has 5 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:00:24,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:00:24,634 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2022-07-14 16:00:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 16:00:24,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 128 transitions. [2022-07-14 16:00:24,636 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-07-14 16:00:24,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 98 states and 128 transitions. [2022-07-14 16:00:24,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2022-07-14 16:00:24,637 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2022-07-14 16:00:24,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 128 transitions. [2022-07-14 16:00:24,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:00:24,638 INFO L369 hiAutomatonCegarLoop]: Abstraction has 98 states and 128 transitions. [2022-07-14 16:00:24,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 128 transitions. [2022-07-14 16:00:24,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2022-07-14 16:00:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.328358208955224) internal successors, (89), 70 states have internal predecessors, (89), 17 states have call successors, (17), 8 states have call predecessors, (17), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2022-07-14 16:00:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 121 transitions. [2022-07-14 16:00:24,641 INFO L392 hiAutomatonCegarLoop]: Abstraction has 92 states and 121 transitions. [2022-07-14 16:00:24,641 INFO L374 stractBuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2022-07-14 16:00:24,641 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-14 16:00:24,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 121 transitions. [2022-07-14 16:00:24,642 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-07-14 16:00:24,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:24,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:24,642 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:24,642 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 16:00:24,643 INFO L752 eck$LassoCheckResult]: Stem: 1932#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 1908#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1909#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 1937#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 1948#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1969#L58 assume ~n <= 1;#res := 0; 1951#is_prime_FINAL assume true; 1950#is_prime_EXIT >#118#return; 1947#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 1901#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 1902#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 1906#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 1910#L97 assume main_#t~short17#1; 1911#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 1920#multENTRY [2022-07-14 16:00:24,643 INFO L754 eck$LassoCheckResult]: Loop: 1920#multENTRY ~n := #in~n;~m := #in~m; 1930#L18 assume ~m < 0; 1916#L19 call #t~ret4 := mult(~n, -~m);< 1920#multENTRY [2022-07-14 16:00:24,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:24,643 INFO L85 PathProgramCache]: Analyzing trace with hash 636635474, now seen corresponding path program 1 times [2022-07-14 16:00:24,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:24,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874589424] [2022-07-14 16:00:24,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:24,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 16:00:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:24,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:00:24,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874589424] [2022-07-14 16:00:24,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874589424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:00:24,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:00:24,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 16:00:24,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660531620] [2022-07-14 16:00:24,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:00:24,683 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 16:00:24,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:24,683 INFO L85 PathProgramCache]: Analyzing trace with hash 53805, now seen corresponding path program 1 times [2022-07-14 16:00:24,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:24,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411318449] [2022-07-14 16:00:24,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:24,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:24,686 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:24,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:24,709 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:24,709 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:24,709 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:24,709 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:24,709 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 16:00:24,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:24,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:24,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2022-07-14 16:00:24,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:24,710 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:24,710 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 16:00:24,713 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 16:00:24,715 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 16:00:24,716 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 16:00:24,717 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 16:00:24,718 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 16:00:24,720 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 16:00:24,745 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:24,745 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 16:00:24,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,746 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 16:00:24,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:24,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:24,761 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 16:00:24,767 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:24,767 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:24,783 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 16:00:24,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,784 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 16:00:24,785 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 16:00:24,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:24,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:24,797 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:24,797 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:24,812 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 16:00:24,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,813 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 16:00:24,816 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 16:00:24,816 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:24,816 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:24,822 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:24,823 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:24,837 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 16:00:24,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,838 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 16:00:24,839 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 16:00:24,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:24,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:24,846 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:24,847 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:24,862 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 16:00:24,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,863 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 16:00:24,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:24,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:24,871 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 16:00:24,873 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:24,873 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:24,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-07-14 16:00:24,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,890 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 16:00:24,891 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 16:00:24,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:24,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:24,964 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:24,964 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:24,980 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 16:00:24,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:24,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:24,981 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 16:00:24,981 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 16:00:24,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:24,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:25,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-14 16:00:25,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,016 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 16:00:25,017 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 16:00:25,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 16:00:25,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:25,052 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 16:00:25,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-07-14 16:00:25,055 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:25,055 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:25,055 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:25,055 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:25,055 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:00:25,055 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,055 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:25,055 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:25,055 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2022-07-14 16:00:25,055 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:25,055 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:25,056 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 16:00:25,058 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 16:00:25,061 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 16:00:25,063 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 16:00:25,068 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 16:00:25,069 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 16:00:25,071 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 16:00:25,095 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:25,095 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:00:25,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,103 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 16:00:25,103 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 16:00:25,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:00:25,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:25,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:25,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:25,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:25,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:25,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:25,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:25,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:25,127 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 16:00:25,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,128 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 16:00:25,129 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 16:00:25,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:00:25,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:25,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:25,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:25,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:25,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:25,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:25,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:25,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:25,155 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 16:00:25,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,156 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 16:00:25,156 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 16:00:25,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:25,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:25,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:25,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:25,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:25,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:25,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:25,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:25,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:25,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:25,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,193 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 16:00:25,194 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 16:00:25,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:25,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:25,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:25,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:25,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:25,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:25,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:25,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:25,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:25,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-07-14 16:00:25,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,228 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 16:00:25,228 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 16:00:25,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:00:25,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:25,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:25,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:25,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:25,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:25,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:25,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:25,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:25,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-14 16:00:25,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,260 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 16:00:25,261 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 16:00:25,262 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 16:00:25,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:25,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:25,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:25,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:25,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:25,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:25,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:25,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:25,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-14 16:00:25,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,295 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 16:00:25,296 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 16:00:25,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:25,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:25,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:25,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:25,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:25,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:25,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:25,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:25,306 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:00:25,307 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-14 16:00:25,307 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-14 16:00:25,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,308 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 16:00:25,309 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 16:00:25,310 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:00:25,310 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 16:00:25,310 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:00:25,310 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2022-07-14 16:00:25,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-14 16:00:25,326 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 16:00:25,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:25,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 16:00:25,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:25,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:00:25,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:25,432 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-14 16:00:25,432 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 121 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:00:25,495 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 121 transitions. cyclomatic complexity: 32. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 114 states and 145 transitions. Complement of second has 14 states. [2022-07-14 16:00:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:00:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:00:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-07-14 16:00:25,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 3 letters. [2022-07-14 16:00:25,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:25,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 17 letters. Loop has 3 letters. [2022-07-14 16:00:25,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:25,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 6 letters. [2022-07-14 16:00:25,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:25,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 145 transitions. [2022-07-14 16:00:25,502 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-07-14 16:00:25,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 106 states and 137 transitions. [2022-07-14 16:00:25,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2022-07-14 16:00:25,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2022-07-14 16:00:25,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 137 transitions. [2022-07-14 16:00:25,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:25,503 INFO L369 hiAutomatonCegarLoop]: Abstraction has 106 states and 137 transitions. [2022-07-14 16:00:25,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 137 transitions. [2022-07-14 16:00:25,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97. [2022-07-14 16:00:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 73 states have internal predecessors, (95), 18 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2022-07-14 16:00:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2022-07-14 16:00:25,506 INFO L392 hiAutomatonCegarLoop]: Abstraction has 97 states and 128 transitions. [2022-07-14 16:00:25,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:00:25,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 16:00:25,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 16:00:25,507 INFO L87 Difference]: Start difference. First operand 97 states and 128 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:00:25,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:00:25,539 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2022-07-14 16:00:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 16:00:25,540 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 139 transitions. [2022-07-14 16:00:25,541 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-07-14 16:00:25,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 131 transitions. [2022-07-14 16:00:25,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2022-07-14 16:00:25,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2022-07-14 16:00:25,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 131 transitions. [2022-07-14 16:00:25,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:25,542 INFO L369 hiAutomatonCegarLoop]: Abstraction has 101 states and 131 transitions. [2022-07-14 16:00:25,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 131 transitions. [2022-07-14 16:00:25,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2022-07-14 16:00:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 73 states have internal predecessors, (93), 18 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2022-07-14 16:00:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2022-07-14 16:00:25,544 INFO L392 hiAutomatonCegarLoop]: Abstraction has 97 states and 126 transitions. [2022-07-14 16:00:25,545 INFO L374 stractBuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2022-07-14 16:00:25,545 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-14 16:00:25,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 126 transitions. [2022-07-14 16:00:25,545 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-07-14 16:00:25,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:25,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:25,546 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:25,546 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-14 16:00:25,546 INFO L752 eck$LassoCheckResult]: Stem: 2449#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 2421#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 2422#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 2453#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 2463#is_prime_ENTRY ~n := #in~n;~m := #in~m; 2470#L58 assume !(~n <= 1); 2468#L61 assume !(2 == ~n); 2469#L64 assume ~n > 2; 2466#L65 assume !(~m <= 1); 2454#L68 call #t~ret10 := multiple_of(~n, ~m);< 2473#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2489#L32 assume !(~m < 0); 2486#L35 assume ~n < 0; 2438#L36 call #t~ret7 := multiple_of(-~n, ~m);< 2455#multiple_ofENTRY [2022-07-14 16:00:25,546 INFO L754 eck$LassoCheckResult]: Loop: 2455#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2498#L32 assume !(~m < 0); 2497#L35 assume ~n < 0; 2437#L36 call #t~ret7 := multiple_of(-~n, ~m);< 2455#multiple_ofENTRY [2022-07-14 16:00:25,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:25,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1674187120, now seen corresponding path program 1 times [2022-07-14 16:00:25,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:25,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159768442] [2022-07-14 16:00:25,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:25,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:25,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:00:25,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159768442] [2022-07-14 16:00:25,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159768442] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:00:25,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:00:25,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 16:00:25,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496560195] [2022-07-14 16:00:25,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:00:25,568 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 16:00:25,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:25,568 INFO L85 PathProgramCache]: Analyzing trace with hash 929675, now seen corresponding path program 1 times [2022-07-14 16:00:25,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:25,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271738360] [2022-07-14 16:00:25,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:25,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:25,571 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:25,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:25,617 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 16:00:25,633 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 16:00:25,645 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:25,646 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:25,646 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:25,646 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:25,646 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 16:00:25,646 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,646 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:25,646 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:25,646 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2022-07-14 16:00:25,646 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:25,646 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:25,646 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 16:00:25,650 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 16:00:25,652 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 16:00:25,653 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 16:00:25,654 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 16:00:25,655 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 16:00:25,657 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 16:00:25,658 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 16:00:25,680 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:25,680 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 16:00:25,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,684 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 16:00:25,685 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 16:00:25,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:25,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:25,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-14 16:00:25,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,713 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 16:00:25,713 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 16:00:25,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 16:00:25,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:25,750 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 16:00:25,752 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 16:00:25,753 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:25,753 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:25,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:25,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:25,753 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:00:25,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,753 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:25,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:25,753 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2022-07-14 16:00:25,753 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:25,753 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:25,754 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 16:00:25,757 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 16:00:25,758 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 16:00:25,762 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 16:00:25,763 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 16:00:25,764 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 16:00:25,766 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 16:00:25,767 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 16:00:25,803 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:25,803 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:00:25,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,804 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 16:00:25,805 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 16:00:25,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:25,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:25,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:25,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:25,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:25,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:25,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:25,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:25,827 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:00:25,839 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-14 16:00:25,839 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-14 16:00:25,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:25,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:25,844 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 16:00:25,844 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 16:00:25,845 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:00:25,845 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 16:00:25,845 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:00:25,845 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = -1*multiple_of_#in~n Supporting invariants [] [2022-07-14 16:00:25,863 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 16:00:25,863 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 16:00:25,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:25,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 16:00:25,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:25,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:00:25,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:25,950 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-14 16:00:25,950 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 126 transitions. cyclomatic complexity: 33 Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:00:26,007 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 126 transitions. cyclomatic complexity: 33. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 200 states and 269 transitions. Complement of second has 13 states. [2022-07-14 16:00:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:00:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:00:26,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 56 transitions. [2022-07-14 16:00:26,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 4 letters. [2022-07-14 16:00:26,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:26,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 18 letters. Loop has 4 letters. [2022-07-14 16:00:26,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:26,011 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 8 letters. [2022-07-14 16:00:26,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:26,011 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 269 transitions. [2022-07-14 16:00:26,015 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2022-07-14 16:00:26,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 188 states and 257 transitions. [2022-07-14 16:00:26,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2022-07-14 16:00:26,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2022-07-14 16:00:26,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 257 transitions. [2022-07-14 16:00:26,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:26,017 INFO L369 hiAutomatonCegarLoop]: Abstraction has 188 states and 257 transitions. [2022-07-14 16:00:26,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 257 transitions. [2022-07-14 16:00:26,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2022-07-14 16:00:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 119 states have (on average 1.3277310924369747) internal successors, (158), 125 states have internal predecessors, (158), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (37), 21 states have call predecessors, (37), 22 states have call successors, (37) [2022-07-14 16:00:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 223 transitions. [2022-07-14 16:00:26,021 INFO L392 hiAutomatonCegarLoop]: Abstraction has 163 states and 223 transitions. [2022-07-14 16:00:26,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:00:26,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 16:00:26,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 16:00:26,022 INFO L87 Difference]: Start difference. First operand 163 states and 223 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:00:26,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:00:26,047 INFO L93 Difference]: Finished difference Result 169 states and 228 transitions. [2022-07-14 16:00:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 16:00:26,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 228 transitions. [2022-07-14 16:00:26,050 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-07-14 16:00:26,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 228 transitions. [2022-07-14 16:00:26,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2022-07-14 16:00:26,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 162 [2022-07-14 16:00:26,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 228 transitions. [2022-07-14 16:00:26,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:26,054 INFO L369 hiAutomatonCegarLoop]: Abstraction has 169 states and 228 transitions. [2022-07-14 16:00:26,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 228 transitions. [2022-07-14 16:00:26,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2022-07-14 16:00:26,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 121 states have (on average 1.2975206611570247) internal successors, (157), 127 states have internal predecessors, (157), 26 states have call successors, (26), 16 states have call predecessors, (26), 18 states have return successors, (40), 21 states have call predecessors, (40), 22 states have call successors, (40) [2022-07-14 16:00:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 223 transitions. [2022-07-14 16:00:26,059 INFO L392 hiAutomatonCegarLoop]: Abstraction has 165 states and 223 transitions. [2022-07-14 16:00:26,059 INFO L374 stractBuchiCegarLoop]: Abstraction has 165 states and 223 transitions. [2022-07-14 16:00:26,060 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-14 16:00:26,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 223 transitions. [2022-07-14 16:00:26,061 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-07-14 16:00:26,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:26,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:26,061 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:26,061 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-14 16:00:26,061 INFO L752 eck$LassoCheckResult]: Stem: 3175#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 3137#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3138#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 3179#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 3197#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3214#L58 assume !(~n <= 1); 3210#L61 assume !(2 == ~n); 3211#L64 assume ~n > 2; 3208#L65 assume !(~m <= 1); 3186#L68 call #t~ret10 := multiple_of(~n, ~m);< 3242#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3185#L32 assume !(~m < 0); 3187#L35 assume !(~n < 0); 3196#L38 assume !(0 == ~m); 3250#L41 assume !(0 == ~n); 3165#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 3207#multiple_ofENTRY [2022-07-14 16:00:26,062 INFO L754 eck$LassoCheckResult]: Loop: 3207#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3205#L32 assume !(~m < 0); 3202#L35 assume !(~n < 0); 3203#L38 assume !(0 == ~m); 3248#L41 assume !(0 == ~n); 3163#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 3207#multiple_ofENTRY [2022-07-14 16:00:26,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:26,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1718912949, now seen corresponding path program 1 times [2022-07-14 16:00:26,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:26,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473405354] [2022-07-14 16:00:26,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:26,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:26,076 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:26,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:26,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:26,087 INFO L85 PathProgramCache]: Analyzing trace with hash 893418406, now seen corresponding path program 1 times [2022-07-14 16:00:26,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:26,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824764789] [2022-07-14 16:00:26,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:26,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:26,089 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:26,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:26,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:26,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1893667952, now seen corresponding path program 2 times [2022-07-14 16:00:26,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:26,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484044075] [2022-07-14 16:00:26,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:26,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:26,108 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:26,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:26,165 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:26,165 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:26,165 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:26,165 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:26,165 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 16:00:26,165 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,165 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:26,165 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:26,165 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2022-07-14 16:00:26,165 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:26,165 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:26,166 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 16:00:26,169 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 16:00:26,170 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 16:00:26,172 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 16:00:26,173 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 16:00:26,174 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 16:00:26,182 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 16:00:26,229 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:26,229 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 16:00:26,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,230 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 16:00:26,232 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 16:00:26,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:26,233 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:26,247 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:26,247 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:26,262 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 16:00:26,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,263 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 16:00:26,264 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 16:00:26,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:26,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:26,271 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:26,271 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=0} Honda state: {multiple_of_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:26,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:26,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,289 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 16:00:26,290 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 16:00:26,291 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:26,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:26,298 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:26,298 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~m=0} Honda state: {multiple_of_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:26,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:26,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,314 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 16:00:26,314 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 16:00:26,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:26,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:26,323 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:26,323 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret8=0} Honda state: {multiple_of_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:26,338 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 16:00:26,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,339 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:26,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-14 16:00:26,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:26,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:26,355 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:26,355 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret7=0} Honda state: {multiple_of_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:26,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-14 16:00:26,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,371 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:26,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-14 16:00:26,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:26,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:26,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:26,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,408 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:26,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-14 16:00:26,410 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 16:00:26,410 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:26,473 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 16:00:26,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:26,477 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:26,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:26,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:26,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:26,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:00:26,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:26,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:26,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2022-07-14 16:00:26,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:26,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:26,477 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 16:00:26,480 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 16:00:26,481 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 16:00:26,485 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 16:00:26,486 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 16:00:26,487 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 16:00:26,493 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 16:00:26,533 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:26,533 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:00:26,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,534 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 16:00:26,535 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 16:00:26,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:00:26,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:26,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:26,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:26,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:26,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:26,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:26,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:26,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:26,574 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 16:00:26,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,576 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 16:00:26,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:26,592 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 16:00:26,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:26,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:26,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:26,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:26,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:26,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:26,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:26,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:26,633 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 16:00:26,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,635 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 16:00:26,635 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 16:00:26,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:26,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:26,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:26,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:26,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:26,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:26,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:26,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:26,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:26,661 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 16:00:26,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,662 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 16:00:26,663 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 16:00:26,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:26,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:26,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:26,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:26,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:26,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:26,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:26,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:26,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:26,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-07-14 16:00:26,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,686 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 16:00:26,686 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 16:00:26,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:26,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:26,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:26,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:26,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:26,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:26,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:26,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:26,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:26,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:26,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,725 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 16:00:26,726 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 16:00:26,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:26,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:26,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:26,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:26,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:26,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:26,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:26,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:26,737 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:00:26,739 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-14 16:00:26,739 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-14 16:00:26,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:26,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:26,740 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 16:00:26,746 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 16:00:26,746 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:00:26,746 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 16:00:26,746 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:00:26,746 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = 1*multiple_of_#in~n Supporting invariants [] [2022-07-14 16:00:26,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-14 16:00:26,761 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 16:00:26,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:26,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 16:00:26,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:26,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-14 16:00:26,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:26,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-14 16:00:26,915 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 16:00:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:26,926 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2022-07-14 16:00:26,927 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 223 transitions. cyclomatic complexity: 65 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:00:27,012 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 223 transitions. cyclomatic complexity: 65. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 218 states and 293 transitions. Complement of second has 25 states. [2022-07-14 16:00:27,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-07-14 16:00:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:00:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2022-07-14 16:00:27,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 6 letters. [2022-07-14 16:00:27,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:27,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 22 letters. Loop has 6 letters. [2022-07-14 16:00:27,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:27,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 12 letters. [2022-07-14 16:00:27,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:27,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 293 transitions. [2022-07-14 16:00:27,017 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2022-07-14 16:00:27,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 206 states and 279 transitions. [2022-07-14 16:00:27,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2022-07-14 16:00:27,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2022-07-14 16:00:27,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 206 states and 279 transitions. [2022-07-14 16:00:27,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:27,020 INFO L369 hiAutomatonCegarLoop]: Abstraction has 206 states and 279 transitions. [2022-07-14 16:00:27,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states and 279 transitions. [2022-07-14 16:00:27,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 181. [2022-07-14 16:00:27,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 134 states have (on average 1.291044776119403) internal successors, (173), 141 states have internal predecessors, (173), 28 states have call successors, (28), 18 states have call predecessors, (28), 19 states have return successors, (44), 21 states have call predecessors, (44), 23 states have call successors, (44) [2022-07-14 16:00:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2022-07-14 16:00:27,023 INFO L392 hiAutomatonCegarLoop]: Abstraction has 181 states and 245 transitions. [2022-07-14 16:00:27,023 INFO L374 stractBuchiCegarLoop]: Abstraction has 181 states and 245 transitions. [2022-07-14 16:00:27,023 INFO L287 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-14 16:00:27,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 181 states and 245 transitions. [2022-07-14 16:00:27,024 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-07-14 16:00:27,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:27,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:27,025 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:27,025 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-14 16:00:27,025 INFO L752 eck$LassoCheckResult]: Stem: 3679#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 3644#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3645#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 3685#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 3704#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3724#L58 assume !(~n <= 1); 3723#L61 assume 2 == ~n;#res := 1; 3721#is_prime_FINAL assume true; 3711#is_prime_EXIT >#118#return; 3703#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 3635#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 3636#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 3640#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 3646#L97 assume main_#t~short17#1; 3647#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 3673#multENTRY ~n := #in~n;~m := #in~m; 3674#L18 assume !(~m < 0); 3675#L21 [2022-07-14 16:00:27,025 INFO L754 eck$LassoCheckResult]: Loop: 3675#L21 assume !(0 == ~m); 3651#L24 assume !(1 == ~m); 3652#L27 call #t~ret5 := mult(~n, ~m - 1);< 3660#multENTRY ~n := #in~n;~m := #in~m; 3684#L18 assume !(~m < 0); 3675#L21 [2022-07-14 16:00:27,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:27,025 INFO L85 PathProgramCache]: Analyzing trace with hash 2081524284, now seen corresponding path program 1 times [2022-07-14 16:00:27,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:27,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664729125] [2022-07-14 16:00:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:27,030 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:27,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:27,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:27,035 INFO L85 PathProgramCache]: Analyzing trace with hash 61272212, now seen corresponding path program 1 times [2022-07-14 16:00:27,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:27,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547852851] [2022-07-14 16:00:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:27,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:27,037 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:27,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:27,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:27,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404473, now seen corresponding path program 1 times [2022-07-14 16:00:27,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:27,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444024873] [2022-07-14 16:00:27,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:27,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:27,043 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:27,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:27,103 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:27,103 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:27,103 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:27,103 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:27,103 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 16:00:27,103 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:27,103 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:27,103 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:27,103 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2022-07-14 16:00:27,103 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:27,103 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:27,103 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 16:00:27,105 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 16:00:27,110 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 16:00:27,111 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 16:00:27,114 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 16:00:27,153 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:27,153 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 16:00:27,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:27,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:27,154 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 16:00:27,155 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 16:00:27,156 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:27,157 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:27,177 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:27,177 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:27,193 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 16:00:27,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:27,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:27,194 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 16:00:27,195 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 16:00:27,197 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:27,197 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:27,242 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 16:00:27,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:27,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:27,243 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 16:00:27,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 16:00:27,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:27,265 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 16:00:28,193 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 16:00:28,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-07-14 16:00:28,197 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:28,197 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:28,197 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:28,197 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:28,197 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:00:28,197 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:28,197 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:28,197 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:28,197 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2022-07-14 16:00:28,197 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:28,197 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:28,198 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 16:00:28,199 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 16:00:28,204 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 16:00:28,205 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 16:00:28,208 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 16:00:28,246 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:28,246 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:00:28,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:28,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:28,247 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 16:00:28,248 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 16:00:28,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:28,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:28,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:28,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:28,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:28,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:28,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:28,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:28,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:28,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-07-14 16:00:28,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:28,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:28,273 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:28,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-14 16:00:28,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:28,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:28,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:28,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:28,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:28,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:28,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:28,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:28,292 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:00:28,293 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-14 16:00:28,293 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-14 16:00:28,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:28,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:28,294 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:28,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-14 16:00:28,296 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:00:28,296 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 16:00:28,296 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:00:28,296 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2022-07-14 16:00:28,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-07-14 16:00:28,312 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 16:00:28,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:28,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 16:00:28,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:28,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 16:00:28,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:28,473 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2022-07-14 16:00:28,474 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 181 states and 245 transitions. cyclomatic complexity: 72 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:00:28,595 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 181 states and 245 transitions. cyclomatic complexity: 72. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 205 states and 272 transitions. Complement of second has 25 states. [2022-07-14 16:00:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2022-07-14 16:00:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:00:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 52 transitions. [2022-07-14 16:00:28,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 5 letters. [2022-07-14 16:00:28,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:28,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 22 letters. Loop has 5 letters. [2022-07-14 16:00:28,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:28,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 10 letters. [2022-07-14 16:00:28,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:28,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 272 transitions. [2022-07-14 16:00:28,598 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-07-14 16:00:28,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 204 states and 271 transitions. [2022-07-14 16:00:28,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2022-07-14 16:00:28,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 180 [2022-07-14 16:00:28,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 204 states and 271 transitions. [2022-07-14 16:00:28,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:28,600 INFO L369 hiAutomatonCegarLoop]: Abstraction has 204 states and 271 transitions. [2022-07-14 16:00:28,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states and 271 transitions. [2022-07-14 16:00:28,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 191. [2022-07-14 16:00:28,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 149 states have internal predecessors, (183), 30 states have call successors, (30), 20 states have call predecessors, (30), 19 states have return successors, (44), 21 states have call predecessors, (44), 23 states have call successors, (44) [2022-07-14 16:00:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 257 transitions. [2022-07-14 16:00:28,604 INFO L392 hiAutomatonCegarLoop]: Abstraction has 191 states and 257 transitions. [2022-07-14 16:00:28,604 INFO L374 stractBuchiCegarLoop]: Abstraction has 191 states and 257 transitions. [2022-07-14 16:00:28,604 INFO L287 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-14 16:00:28,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 257 transitions. [2022-07-14 16:00:28,605 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-07-14 16:00:28,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:28,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:28,605 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:28,605 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 16:00:28,606 INFO L752 eck$LassoCheckResult]: Stem: 4186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 4147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 4148#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 4192#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 4217#is_prime_ENTRY ~n := #in~n;~m := #in~m; 4231#L58 assume !(~n <= 1); 4229#L61 assume 2 == ~n;#res := 1; 4225#is_prime_FINAL assume true; 4222#is_prime_EXIT >#118#return; 4213#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 4138#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 4139#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 4145#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 4149#L97 assume main_#t~short17#1; 4150#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 4179#multENTRY ~n := #in~n;~m := #in~m; 4180#L18 assume !(~m < 0); 4181#L21 assume !(0 == ~m); 4195#L24 assume !(1 == ~m); 4168#L27 call #t~ret5 := mult(~n, ~m - 1);< 4324#multENTRY ~n := #in~n;~m := #in~m; 4289#L18 assume ~m < 0; 4157#L19 [2022-07-14 16:00:28,606 INFO L754 eck$LassoCheckResult]: Loop: 4157#L19 call #t~ret4 := mult(~n, -~m);< 4167#multENTRY ~n := #in~n;~m := #in~m; 4191#L18 assume ~m < 0; 4157#L19 [2022-07-14 16:00:28,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:28,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404470, now seen corresponding path program 1 times [2022-07-14 16:00:28,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:28,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165488767] [2022-07-14 16:00:28,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:28,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 16:00:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:28,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:28,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:00:28,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165488767] [2022-07-14 16:00:28,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165488767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:00:28,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:00:28,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 16:00:28,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726675644] [2022-07-14 16:00:28,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:00:28,626 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 16:00:28,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:28,627 INFO L85 PathProgramCache]: Analyzing trace with hash 139155, now seen corresponding path program 2 times [2022-07-14 16:00:28,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:28,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958166884] [2022-07-14 16:00:28,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:28,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:28,629 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:28,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:28,670 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:28,670 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:28,670 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:28,670 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:28,670 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 16:00:28,670 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:28,670 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:28,670 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:28,670 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2022-07-14 16:00:28,670 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:28,670 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:28,671 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 16:00:28,672 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 16:00:28,676 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 16:00:28,677 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 16:00:28,703 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 16:00:28,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:28,729 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:28,729 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 16:00:28,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:28,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:28,730 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:28,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-07-14 16:00:28,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:28,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:28,744 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:28,744 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:28,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-07-14 16:00:28,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:28,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:28,760 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:28,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-14 16:00:28,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:28,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:28,791 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:28,791 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=-8, mult_#in~n=-8} Honda state: {mult_~n=-8, mult_#in~n=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:28,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:28,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:28,810 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:28,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-14 16:00:28,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:28,814 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:28,821 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:00:28,821 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:00:28,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-07-14 16:00:28,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:28,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:28,837 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:28,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-14 16:00:28,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:00:28,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:28,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-07-14 16:00:28,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:28,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:28,867 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:28,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-07-14 16:00:28,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 16:00:28,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:00:29,850 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 16:00:29,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:29,854 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:00:29,854 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:00:29,854 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:00:29,854 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:00:29,854 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:00:29,854 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:29,854 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:00:29,854 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:00:29,854 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2022-07-14 16:00:29,854 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:00:29,854 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:00:29,855 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 16:00:29,858 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 16:00:29,859 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 16:00:29,861 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 16:00:29,865 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 16:00:29,891 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:00:29,891 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:00:29,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:29,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:29,892 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:29,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-07-14 16:00:29,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:29,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:29,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:29,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:29,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:29,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:29,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:29,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:29,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:29,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:29,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:29,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:29,920 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:29,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-07-14 16:00:29,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:29,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:29,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:29,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:29,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:29,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:29,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:29,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:29,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:29,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-07-14 16:00:29,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:29,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:29,945 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:29,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-07-14 16:00:29,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:29,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:29,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:29,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:29,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:29,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:29,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:29,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:29,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:00:29,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-07-14 16:00:29,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:29,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:29,971 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:29,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-07-14 16:00:29,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:00:29,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:00:29,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:00:29,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:00:29,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:00:29,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:00:29,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:00:29,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:00:29,981 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:00:29,982 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-14 16:00:29,982 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-14 16:00:29,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:00:29,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:29,983 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:00:29,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-07-14 16:00:29,985 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:00:29,985 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 16:00:29,985 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:00:29,985 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2022-07-14 16:00:30,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-07-14 16:00:30,000 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 16:00:30,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:30,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 16:00:30,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:30,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:00:30,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:30,102 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-14 16:00:30,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 191 states and 257 transitions. cyclomatic complexity: 75 Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:00:30,150 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 191 states and 257 transitions. cyclomatic complexity: 75. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 232 states and 303 transitions. Complement of second has 11 states. [2022-07-14 16:00:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:00:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:00:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2022-07-14 16:00:30,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 3 letters. [2022-07-14 16:00:30,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:30,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 25 letters. Loop has 3 letters. [2022-07-14 16:00:30,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:30,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 6 letters. [2022-07-14 16:00:30,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:00:30,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 303 transitions. [2022-07-14 16:00:30,154 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-07-14 16:00:30,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 222 states and 293 transitions. [2022-07-14 16:00:30,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2022-07-14 16:00:30,156 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2022-07-14 16:00:30,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 293 transitions. [2022-07-14 16:00:30,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:30,157 INFO L369 hiAutomatonCegarLoop]: Abstraction has 222 states and 293 transitions. [2022-07-14 16:00:30,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 293 transitions. [2022-07-14 16:00:30,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 209. [2022-07-14 16:00:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 156 states have (on average 1.2692307692307692) internal successors, (198), 162 states have internal predecessors, (198), 34 states have call successors, (37), 25 states have call predecessors, (37), 19 states have return successors, (44), 21 states have call predecessors, (44), 23 states have call successors, (44) [2022-07-14 16:00:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 279 transitions. [2022-07-14 16:00:30,163 INFO L392 hiAutomatonCegarLoop]: Abstraction has 209 states and 279 transitions. [2022-07-14 16:00:30,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:00:30,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 16:00:30,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 16:00:30,164 INFO L87 Difference]: Start difference. First operand 209 states and 279 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:00:30,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:00:30,184 INFO L93 Difference]: Finished difference Result 205 states and 270 transitions. [2022-07-14 16:00:30,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 16:00:30,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 270 transitions. [2022-07-14 16:00:30,187 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-07-14 16:00:30,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 145 states and 177 transitions. [2022-07-14 16:00:30,191 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2022-07-14 16:00:30,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2022-07-14 16:00:30,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 177 transitions. [2022-07-14 16:00:30,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:30,191 INFO L369 hiAutomatonCegarLoop]: Abstraction has 145 states and 177 transitions. [2022-07-14 16:00:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 177 transitions. [2022-07-14 16:00:30,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2022-07-14 16:00:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 95 states have (on average 1.1368421052631579) internal successors, (108), 100 states have internal predecessors, (108), 18 states have call successors, (18), 13 states have call predecessors, (18), 12 states have return successors, (28), 11 states have call predecessors, (28), 14 states have call successors, (28) [2022-07-14 16:00:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2022-07-14 16:00:30,197 INFO L392 hiAutomatonCegarLoop]: Abstraction has 125 states and 154 transitions. [2022-07-14 16:00:30,197 INFO L374 stractBuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2022-07-14 16:00:30,197 INFO L287 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-07-14 16:00:30,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 154 transitions. [2022-07-14 16:00:30,198 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-07-14 16:00:30,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:30,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:30,200 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:30,200 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:30,200 INFO L752 eck$LassoCheckResult]: Stem: 5090#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 5091#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5108#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 5099#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 5140#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5158#L58 assume !(~n <= 1); 5157#L61 assume !(2 == ~n); 5156#L64 assume ~n > 2; 5155#L65 assume !(~m <= 1); 5125#L68 call #t~ret10 := multiple_of(~n, ~m);< 5154#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5153#L32 assume !(~m < 0); 5152#L35 assume !(~n < 0); 5151#L38 assume !(0 == ~m); 5150#L41 assume !(0 == ~n); 5105#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5148#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5149#L32 assume !(~m < 0); 5168#L35 assume ~n < 0; 5116#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5146#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5147#L32 assume !(~m < 0); 5183#L35 assume !(~n < 0); 5181#L38 assume !(0 == ~m); 5179#L41 assume !(0 == ~n); 5110#L44 [2022-07-14 16:00:30,201 INFO L754 eck$LassoCheckResult]: Loop: 5110#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5182#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5180#L32 assume !(~m < 0); 5177#L35 assume ~n < 0; 5109#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5113#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5163#L32 assume !(~m < 0); 5159#L35 assume !(~n < 0); 5161#L38 assume !(0 == ~m); 5172#L41 assume !(0 == ~n); 5110#L44 [2022-07-14 16:00:30,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:30,201 INFO L85 PathProgramCache]: Analyzing trace with hash -155061355, now seen corresponding path program 1 times [2022-07-14 16:00:30,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:30,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721839545] [2022-07-14 16:00:30,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:30,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:30,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:00:30,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721839545] [2022-07-14 16:00:30,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721839545] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 16:00:30,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550414157] [2022-07-14 16:00:30,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:30,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 16:00:30,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:00:30,242 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 16:00:30,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2022-07-14 16:00:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:00:30,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-14 16:00:30,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:00:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:30,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 16:00:30,357 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:00:30,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550414157] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 16:00:30,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 16:00:30,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-07-14 16:00:30,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907779509] [2022-07-14 16:00:30,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 16:00:30,358 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 16:00:30,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:30,358 INFO L85 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 1 times [2022-07-14 16:00:30,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:30,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634740396] [2022-07-14 16:00:30,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:30,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:30,360 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:30,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:30,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:00:30,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 16:00:30,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-07-14 16:00:30,511 INFO L87 Difference]: Start difference. First operand 125 states and 154 transitions. cyclomatic complexity: 35 Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 8 states have internal predecessors, (34), 6 states have call successors, (7), 7 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:00:30,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:00:30,619 INFO L93 Difference]: Finished difference Result 153 states and 195 transitions. [2022-07-14 16:00:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 16:00:30,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 195 transitions. [2022-07-14 16:00:30,620 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-07-14 16:00:30,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 151 states and 193 transitions. [2022-07-14 16:00:30,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2022-07-14 16:00:30,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2022-07-14 16:00:30,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 193 transitions. [2022-07-14 16:00:30,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:00:30,622 INFO L369 hiAutomatonCegarLoop]: Abstraction has 151 states and 193 transitions. [2022-07-14 16:00:30,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 193 transitions. [2022-07-14 16:00:30,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2022-07-14 16:00:30,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 112 states have (on average 1.1071428571428572) internal successors, (124), 118 states have internal predecessors, (124), 20 states have call successors, (20), 15 states have call predecessors, (20), 15 states have return successors, (36), 13 states have call predecessors, (36), 17 states have call successors, (36) [2022-07-14 16:00:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 180 transitions. [2022-07-14 16:00:30,624 INFO L392 hiAutomatonCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-07-14 16:00:30,624 INFO L374 stractBuchiCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-07-14 16:00:30,624 INFO L287 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-07-14 16:00:30,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 180 transitions. [2022-07-14 16:00:30,625 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-07-14 16:00:30,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:00:30,625 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:00:30,625 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:30,625 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-07-14 16:00:30,625 INFO L752 eck$LassoCheckResult]: Stem: 5537#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 5538#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5554#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 5547#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 5583#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5604#L58 assume !(~n <= 1); 5603#L61 assume !(2 == ~n); 5602#L64 assume ~n > 2; 5601#L65 assume !(~m <= 1); 5595#L68 call #t~ret10 := multiple_of(~n, ~m);< 5600#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5599#L32 assume !(~m < 0); 5598#L35 assume !(~n < 0); 5597#L38 assume !(0 == ~m); 5596#L41 assume !(0 == ~n); 5552#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5594#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5561#L32 assume !(~m < 0); 5562#L35 assume !(~n < 0); 5551#L38 assume !(0 == ~m); 5553#L41 assume !(0 == ~n); 5571#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5569#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5573#L32 assume !(~m < 0); 5633#L35 assume ~n < 0; 5542#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5588#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5589#L32 assume !(~m < 0); 5683#L35 assume !(~n < 0); 5682#L38 assume !(0 == ~m); 5681#L41 assume !(0 == ~n); 5576#L44 [2022-07-14 16:00:30,626 INFO L754 eck$LassoCheckResult]: Loop: 5576#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5580#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5667#L32 assume !(~m < 0); 5666#L35 assume ~n < 0; 5541#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5555#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5673#L32 assume !(~m < 0); 5670#L35 assume !(~n < 0); 5671#L38 assume !(0 == ~m); 5680#L41 assume !(0 == ~n); 5576#L44 [2022-07-14 16:00:30,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:30,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1134874352, now seen corresponding path program 2 times [2022-07-14 16:00:30,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:30,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202032204] [2022-07-14 16:00:30,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:30,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:30,664 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:30,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:30,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:30,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:30,680 INFO L85 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 2 times [2022-07-14 16:00:30,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:30,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799931087] [2022-07-14 16:00:30,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:30,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:30,682 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:30,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:30,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:00:30,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1280798977, now seen corresponding path program 3 times [2022-07-14 16:00:30,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:00:30,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073763850] [2022-07-14 16:00:30,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:00:30,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:00:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:30,689 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:00:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:00:30,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:00:31,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 04:00:31 BoogieIcfgContainer [2022-07-14 16:00:31,476 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 16:00:31,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 16:00:31,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 16:00:31,477 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 16:00:31,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:00:19" (3/4) ... [2022-07-14 16:00:31,479 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-14 16:00:31,505 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 16:00:31,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 16:00:31,505 INFO L158 Benchmark]: Toolchain (without parser) took 12294.06ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 61.4MB in the beginning and 55.1MB in the end (delta: 6.3MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2022-07-14 16:00:31,506 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 80.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:00:31,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.32ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 51.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 16:00:31,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.12ms. Allocated memory is still 100.7MB. Free memory was 51.0MB in the beginning and 49.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 16:00:31,507 INFO L158 Benchmark]: Boogie Preprocessor took 27.23ms. Allocated memory is still 100.7MB. Free memory was 49.5MB in the beginning and 48.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 16:00:31,507 INFO L158 Benchmark]: RCFGBuilder took 278.55ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 48.3MB in the beginning and 103.4MB in the end (delta: -55.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-07-14 16:00:31,507 INFO L158 Benchmark]: BuchiAutomizer took 11780.82ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 103.4MB in the beginning and 56.2MB in the end (delta: 47.2MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2022-07-14 16:00:31,507 INFO L158 Benchmark]: Witness Printer took 28.35ms. Allocated memory is still 159.4MB. Free memory was 56.2MB in the beginning and 55.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 16:00:31,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 80.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.32ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 51.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.12ms. Allocated memory is still 100.7MB. Free memory was 51.0MB in the beginning and 49.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.23ms. Allocated memory is still 100.7MB. Free memory was 49.5MB in the beginning and 48.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 278.55ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 48.3MB in the beginning and 103.4MB in the end (delta: -55.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 11780.82ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 103.4MB in the beginning and 56.2MB in the end (delta: 47.2MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * Witness Printer took 28.35ms. Allocated memory is still 159.4MB. Free memory was 56.2MB in the beginning and 55.1MB in the end (delta: 1.1MB). 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 Your program was decomposed into 15 terminating modules (8 trivial, 7 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(m) and consists of 13 locations. One deterministic module has affine ranking function m and consists of 5 locations. One deterministic module has affine ranking function -1 * \old(m) and consists of 5 locations. One deterministic module has affine ranking function -1 * \old(n) and consists of 4 locations. One deterministic module has affine ranking function \old(n) and consists of 7 locations. One deterministic module has affine ranking function m and consists of 8 locations. One deterministic module has affine ranking function m and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 14 locations. The remainder module has 147 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.7s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 9.1s. Construction of modules took 0.5s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 11. Automata minimization 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 271 StatesRemovedByMinimization, 15 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [7, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/7 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 709 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 683 mSDsluCounter, 1882 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1223 mSDsCounter, 217 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 952 IncrementalHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 217 mSolverCounterUnsat, 659 mSDtfsCounter, 952 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT2 conc0 concLT1 SILN1 SILU0 SILI0 SILT4 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp77 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf92 smp90 dnf100 smp100 tf110 neg98 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 19 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 44]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51972bda=0, NULL=0, NULL=0, NULL=1, f2=0, \old(n)=0, m=2, n=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@66298b34=0, \result=0, n=0, f1=0, \old(n)=1, \old(m)=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51420a42=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bdac6ab=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62f88d2c=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1247547d=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5808d583=0, \old(m)=0, result=0, \old(n)=0, NULL=0, \result=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6183f1e3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12ee5974=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@289231eb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c95f0b0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@388d49f2=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 44]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L77] int n = __VERIFIER_nondet_int(); [L78] COND FALSE !(n < 1 || n > 46340) [L83] CALL is_prime(n) [L53] CALL is_prime_(n, n - 1) [L58] COND FALSE !(n <= 1) [L61] COND FALSE !(n == 2) [L64] COND TRUE n > 2 [L65] COND FALSE !(m <= 1) [L68] CALL multiple_of(n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND TRUE n < 0 [L36] CALL multiple_of(-n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) Loop: [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND TRUE n < 0 [L36] CALL multiple_of(-n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-14 16:00:31,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:31,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-14 16:00:31,961 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)