./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2e8f354936443b9a529fcf41dfa5e3c742b35e7f73ef50360a09d67c1a48d74d --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 14:27:14,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:27:14,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:27:14,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:27:14,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:27:14,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:27:14,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:27:14,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:27:14,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:27:14,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:27:14,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:27:14,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:27:14,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:27:14,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:27:14,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:27:14,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:27:14,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:27:14,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:27:14,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:27:14,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:27:14,503 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:27:14,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:27:14,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:27:14,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:27:14,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:27:14,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:27:14,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:27:14,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:27:14,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:27:14,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:27:14,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:27:14,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:27:14,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:27:14,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:27:14,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:27:14,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:27:14,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:27:14,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:27:14,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:27:14,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:27:14,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:27:14,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:27:14,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-23 14:27:14,552 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:27:14,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:27:14,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:27:14,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:27:14,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:27:14,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:27:14,557 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:27:14,557 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:27:14,557 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:27:14,557 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:27:14,558 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:27:14,558 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:27:14,558 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:27:14,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:27:14,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:27:14,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:27:14,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:27:14,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:27:14,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:27:14,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:27:14,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:27:14,560 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:27:14,560 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:27:14,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:27:14,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:27:14,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:27:14,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:27:14,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:27:14,562 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:27:14,562 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e8f354936443b9a529fcf41dfa5e3c742b35e7f73ef50360a09d67c1a48d74d [2022-07-23 14:27:14,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:27:14,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:27:14,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:27:14,795 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:27:14,796 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:27:14,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2022-07-23 14:27:14,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd06876c/9b4e84e8838b4295a25724e7e9833f8d/FLAG5318c0356 [2022-07-23 14:27:15,238 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:27:15,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2022-07-23 14:27:15,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd06876c/9b4e84e8838b4295a25724e7e9833f8d/FLAG5318c0356 [2022-07-23 14:27:15,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbd06876c/9b4e84e8838b4295a25724e7e9833f8d [2022-07-23 14:27:15,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:27:15,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:27:15,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:27:15,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:27:15,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:27:15,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:15,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18abb3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15, skipping insertion in model container [2022-07-23 14:27:15,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:15,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:27:15,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:27:15,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:27:15,866 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:27:15,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:27:15,935 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:27:15,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15 WrapperNode [2022-07-23 14:27:15,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:27:15,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:27:15,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:27:15,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:27:15,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:15,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:15,973 INFO L137 Inliner]: procedures = 111, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2022-07-23 14:27:15,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:27:15,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:27:15,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:27:15,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:27:15,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:15,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:15,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:15,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:15,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:16,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:16,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:16,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:27:16,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:27:16,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:27:16,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:27:16,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (1/1) ... [2022-07-23 14:27:16,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:16,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:16,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:16,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 14:27:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 14:27:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 14:27:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 14:27:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 14:27:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:27:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:27:16,167 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:27:16,168 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:27:16,270 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:27:16,274 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:27:16,274 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 14:27:16,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:27:16 BoogieIcfgContainer [2022-07-23 14:27:16,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:27:16,277 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:27:16,277 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:27:16,279 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:27:16,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:27:16,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:27:15" (1/3) ... [2022-07-23 14:27:16,280 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36195c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:27:16, skipping insertion in model container [2022-07-23 14:27:16,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:27:16,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:15" (2/3) ... [2022-07-23 14:27:16,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36195c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:27:16, skipping insertion in model container [2022-07-23 14:27:16,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:27:16,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:27:16" (3/3) ... [2022-07-23 14:27:16,282 INFO L354 chiAutomizerObserver]: Analyzing ICFG b.05-alloca.i [2022-07-23 14:27:16,334 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:27:16,334 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:27:16,334 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:27:16,334 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:27:16,334 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:27:16,334 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:27:16,334 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:27:16,335 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:27:16,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:27:16,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:16,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:16,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:16,354 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:27:16,354 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:27:16,354 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:27:16,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:27:16,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:16,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:16,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:16,357 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:27:16,357 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:27:16,362 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~tmp#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~nondet4#1, test_fun_#t~mem12#1, test_fun_#t~nondet13#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~tmp#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int(test_fun_#t~nondet4#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1; 10#L554-11true [2022-07-23 14:27:16,364 INFO L754 eck$LassoCheckResult]: Loop: 10#L554-11true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 5#L554-1true assume test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 >= 0; 12#L554-3true test_fun_#t~short9#1 := test_fun_#t~short7#1; 7#L554-4true assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 1073741824; 14#L554-6true test_fun_#t~short11#1 := test_fun_#t~short9#1; 9#L554-7true assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_~x#1 == 2 * test_fun_#t~mem10#1; 4#L554-9true assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;call write~int(test_fun_#t~nondet13#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet13#1; 10#L554-11true [2022-07-23 14:27:16,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:16,372 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-23 14:27:16,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:16,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120479951] [2022-07-23 14:27:16,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:16,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:16,459 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:16,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:16,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:16,486 INFO L85 PathProgramCache]: Analyzing trace with hash -334850282, now seen corresponding path program 1 times [2022-07-23 14:27:16,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:16,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280610336] [2022-07-23 14:27:16,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:16,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:16,502 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:16,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:16,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:16,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1211446548, now seen corresponding path program 1 times [2022-07-23 14:27:16,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:16,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863394723] [2022-07-23 14:27:16,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:16,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:16,543 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:16,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:17,096 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:27:17,097 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:27:17,097 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:27:17,097 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:27:17,097 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:27:17,097 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:17,098 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:27:17,098 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:27:17,098 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05-alloca.i_Iteration1_Lasso [2022-07-23 14:27:17,099 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:27:17,099 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:27:17,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:27:17,668 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:27:17,671 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:27:17,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:17,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:17,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:17,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:17,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:17,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:17,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:17,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:17,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:17,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:17,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:17,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-23 14:27:17,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:17,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:17,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:17,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:17,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:17,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-23 14:27:17,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:17,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:17,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:17,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:17,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:17,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:17,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:17,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:17,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:17,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:17,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:17,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:17,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:17,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-23 14:27:17,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:17,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:17,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:17,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:17,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:17,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:17,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:17,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:17,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:17,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:17,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:17,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:17,790 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:17,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-23 14:27:17,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:17,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:17,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:17,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:17,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:17,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:17,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:17,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:17,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:17,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-07-23 14:27:17,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:17,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:17,829 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:17,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-23 14:27:17,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:17,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:17,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:17,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:17,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:17,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:17,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:17,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:17,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:17,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:17,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:17,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:17,878 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:17,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-23 14:27:17,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:17,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:17,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:17,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:17,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:17,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:17,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:17,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:17,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:17,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:17,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:17,923 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:17,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-23 14:27:17,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:17,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:17,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:17,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:17,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:17,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:17,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:17,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:17,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:17,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:17,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:17,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:17,965 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:17,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-23 14:27:17,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:17,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:17,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:17,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:17,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:17,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:17,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:18,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:18,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:18,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,156 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-23 14:27:18,158 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 [2022-07-23 14:27:18,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:18,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:18,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:18,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:18,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:18,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:18,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:18,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:18,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:18,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,189 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,195 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 [2022-07-23 14:27:18,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-23 14:27:18,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:18,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:18,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:18,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:18,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:18,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:18,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:18,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:18,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,269 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-23 14:27:18,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:18,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:18,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:18,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:18,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:18,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:18,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:18,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:18,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:18,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,314 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-23 14:27:18,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:18,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:18,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:18,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:18,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:18,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:18,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:18,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:18,369 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 [2022-07-23 14:27:18,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,371 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-23 14:27:18,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:18,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:18,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:18,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:18,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:18,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:18,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:18,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:18,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:18,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:18,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,434 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-23 14:27:18,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:18,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:18,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:18,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:18,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:18,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:18,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:18,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:18,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:18,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-07-23 14:27:18,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,468 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-23 14:27:18,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:18,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:18,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:18,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:18,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:18,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:18,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:18,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:18,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:18,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:18,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,521 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-23 14:27:18,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:18,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:18,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:27:18,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:18,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:18,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:18,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:27:18,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:27:18,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:18,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:18,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,569 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-23 14:27:18,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:18,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:18,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:18,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:18,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:18,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:18,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:18,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:27:18,610 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 [2022-07-23 14:27:18,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,612 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-23 14:27:18,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:27:18,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:27:18,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:27:18,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:27:18,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:27:18,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:27:18,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:27:18,641 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:27:18,656 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-07-23 14:27:18,656 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-07-23 14:27:18,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:27:18,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:27:18,659 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:27:18,718 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:27:18,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-23 14:27:18,736 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 14:27:18,736 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:27:18,736 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [] [2022-07-23 14:27:18,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:18,807 INFO L293 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-07-23 14:27:18,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:18,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-23 14:27:18,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:27:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:18,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 14:27:18,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:27:18,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-23 14:27:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:27:19,002 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 [2022-07-23 14:27:19,004 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:27:19,078 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 68 transitions. Complement of second has 9 states. [2022-07-23 14:27:19,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-23 14:27:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:27:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2022-07-23 14:27:19,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 7 letters. [2022-07-23 14:27:19,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:27:19,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 9 letters. Loop has 7 letters. [2022-07-23 14:27:19,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:27:19,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 14 letters. [2022-07-23 14:27:19,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:27:19,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2022-07-23 14:27:19,097 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:19,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 24 states and 33 transitions. [2022-07-23 14:27:19,100 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-23 14:27:19,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-23 14:27:19,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 33 transitions. [2022-07-23 14:27:19,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:27:19,101 INFO L369 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-07-23 14:27:19,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 33 transitions. [2022-07-23 14:27:19,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-07-23 14:27:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:27:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2022-07-23 14:27:19,119 INFO L392 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2022-07-23 14:27:19,119 INFO L374 stractBuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2022-07-23 14:27:19,119 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:27:19,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2022-07-23 14:27:19,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:19,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:19,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:19,122 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:27:19,122 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:27:19,122 INFO L752 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 176#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~tmp#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~nondet4#1, test_fun_#t~mem12#1, test_fun_#t~nondet13#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~tmp#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int(test_fun_#t~nondet4#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1; 193#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 183#L554-1 [2022-07-23 14:27:19,122 INFO L754 eck$LassoCheckResult]: Loop: 183#L554-1 assume !test_fun_#t~short7#1; 186#L554-3 test_fun_#t~short9#1 := test_fun_#t~short7#1; 187#L554-4 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 1073741824; 191#L554-6 test_fun_#t~short11#1 := test_fun_#t~short9#1; 177#L554-7 assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_~x#1 == 2 * test_fun_#t~mem10#1; 178#L554-9 assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;call write~int(test_fun_#t~nondet13#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet13#1; 181#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 183#L554-1 [2022-07-23 14:27:19,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:19,125 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-07-23 14:27:19,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:19,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000832896] [2022-07-23 14:27:19,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:19,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:19,158 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:19,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:19,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:19,180 INFO L85 PathProgramCache]: Analyzing trace with hash -74889736, now seen corresponding path program 1 times [2022-07-23 14:27:19,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:19,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711566102] [2022-07-23 14:27:19,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:27:19,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:27:19,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711566102] [2022-07-23 14:27:19,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711566102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:27:19,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:27:19,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 14:27:19,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146160398] [2022-07-23 14:27:19,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:27:19,225 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 14:27:19,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:27:19,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 14:27:19,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 14:27:19,228 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:27:19,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:27:19,251 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2022-07-23 14:27:19,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 14:27:19,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2022-07-23 14:27:19,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:19,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2022-07-23 14:27:19,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-23 14:27:19,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-23 14:27:19,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2022-07-23 14:27:19,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:27:19,257 INFO L369 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2022-07-23 14:27:19,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2022-07-23 14:27:19,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2022-07-23 14:27:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:27:19,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2022-07-23 14:27:19,260 INFO L392 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-07-23 14:27:19,260 INFO L374 stractBuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-07-23 14:27:19,260 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 14:27:19,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2022-07-23 14:27:19,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-23 14:27:19,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:27:19,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:27:19,263 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:27:19,263 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:27:19,264 INFO L752 eck$LassoCheckResult]: Stem: 233#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 234#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~tmp#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~nondet4#1, test_fun_#t~mem12#1, test_fun_#t~nondet13#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~tmp#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int(test_fun_#t~nondet4#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1; 249#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 242#L554-1 [2022-07-23 14:27:19,264 INFO L754 eck$LassoCheckResult]: Loop: 242#L554-1 assume !test_fun_#t~short7#1; 244#L554-3 test_fun_#t~short9#1 := test_fun_#t~short7#1; 245#L554-4 assume !test_fun_#t~short9#1; 250#L554-6 test_fun_#t~short11#1 := test_fun_#t~short9#1; 235#L554-7 assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_~x#1 == 2 * test_fun_#t~mem10#1; 236#L554-9 assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;call write~int(test_fun_#t~nondet13#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet13#1; 239#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 242#L554-1 [2022-07-23 14:27:19,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:19,266 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2022-07-23 14:27:19,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:19,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222184713] [2022-07-23 14:27:19,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:19,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:19,301 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:27:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:27:19,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:27:19,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:27:19,312 INFO L85 PathProgramCache]: Analyzing trace with hash -73042694, now seen corresponding path program 1 times [2022-07-23 14:27:19,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:27:19,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438992386] [2022-07-23 14:27:19,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:27:19,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:27:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:27:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:27:19,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:27:19,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438992386] [2022-07-23 14:27:19,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438992386] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:27:19,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:27:19,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 14:27:19,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981990829] [2022-07-23 14:27:19,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:27:19,336 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 14:27:19,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:27:19,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 14:27:19,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 14:27:19,337 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:27:19,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:27:19,373 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-07-23 14:27:19,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 14:27:19,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2022-07-23 14:27:19,375 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 14:27:19,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-07-23 14:27:19,375 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 14:27:19,375 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 14:27:19,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 14:27:19,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:27:19,375 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:27:19,375 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:27:19,375 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:27:19,376 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 14:27:19,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 14:27:19,376 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 14:27:19,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 14:27:19,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 02:27:19 BoogieIcfgContainer [2022-07-23 14:27:19,385 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 14:27:19,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 14:27:19,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 14:27:19,386 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 14:27:19,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:27:16" (3/4) ... [2022-07-23 14:27:19,388 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 14:27:19,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 14:27:19,389 INFO L158 Benchmark]: Toolchain (without parser) took 3782.86ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 56.6MB in the beginning and 61.4MB in the end (delta: -4.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-07-23 14:27:19,389 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:27:19,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.78ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 62.9MB in the end (delta: -6.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-07-23 14:27:19,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.57ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 60.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:27:19,390 INFO L158 Benchmark]: Boogie Preprocessor took 35.70ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 59.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:27:19,393 INFO L158 Benchmark]: RCFGBuilder took 265.63ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 48.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 14:27:19,393 INFO L158 Benchmark]: BuchiAutomizer took 3108.60ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 48.7MB in the beginning and 62.3MB in the end (delta: -13.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-07-23 14:27:19,394 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 125.8MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:27:19,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.78ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 62.9MB in the end (delta: -6.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.57ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 60.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.70ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 59.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 265.63ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 48.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3108.60ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 48.7MB in the beginning and 62.3MB in the end (delta: -13.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 125.8MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 27 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital216 mio100 ax108 hnf100 lsp85 ukn67 mio100 lsp37 div100 bol100 ite100 ukn100 eq172 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 14:27:19,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE