./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/array-memsafety/subseq-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 332083c9703e7f789c3b57b3574f68dffe1c5555ad9f8a0d56f0eaba0a86f436 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 16:05:40,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 16:05:40,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 16:05:40,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 16:05:40,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 16:05:40,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 16:05:40,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 16:05:40,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 16:05:40,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 16:05:40,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 16:05:40,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 16:05:40,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 16:05:40,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 16:05:40,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 16:05:40,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 16:05:40,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 16:05:40,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 16:05:40,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 16:05:40,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 16:05:40,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 16:05:40,425 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 16:05:40,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 16:05:40,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 16:05:40,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 16:05:40,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 16:05:40,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 16:05:40,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 16:05:40,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 16:05:40,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 16:05:40,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 16:05:40,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 16:05:40,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 16:05:40,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 16:05:40,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 16:05:40,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 16:05:40,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 16:05:40,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 16:05:40,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 16:05:40,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 16:05:40,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 16:05:40,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 16:05:40,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 16:05:40,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 16:05:40,451 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 16:05:40,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 16:05:40,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 16:05:40,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 16:05:40,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 16:05:40,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 16:05:40,452 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 16:05:40,453 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 16:05:40,453 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 16:05:40,453 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 16:05:40,453 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 16:05:40,453 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 16:05:40,453 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 16:05:40,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 16:05:40,454 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 16:05:40,454 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 16:05:40,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 16:05:40,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 16:05:40,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 16:05:40,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 16:05:40,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 16:05:40,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 16:05:40,455 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 16:05:40,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 16:05:40,455 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 16:05:40,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 16:05:40,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 16:05:40,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 16:05:40,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 16:05:40,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 16:05:40,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 16:05:40,456 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 16:05:40,457 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332083c9703e7f789c3b57b3574f68dffe1c5555ad9f8a0d56f0eaba0a86f436 [2022-07-23 16:05:40,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 16:05:40,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 16:05:40,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 16:05:40,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 16:05:40,659 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 16:05:40,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2022-07-23 16:05:40,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1433d93c/ed84744b2a0d4844a73d1ec3fd746236/FLAG478353da0 [2022-07-23 16:05:41,140 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 16:05:41,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2022-07-23 16:05:41,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1433d93c/ed84744b2a0d4844a73d1ec3fd746236/FLAG478353da0 [2022-07-23 16:05:41,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1433d93c/ed84744b2a0d4844a73d1ec3fd746236 [2022-07-23 16:05:41,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 16:05:41,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 16:05:41,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 16:05:41,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 16:05:41,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 16:05:41,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c25cd59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41, skipping insertion in model container [2022-07-23 16:05:41,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 16:05:41,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 16:05:41,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 16:05:41,500 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 16:05:41,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 16:05:41,556 INFO L208 MainTranslator]: Completed translation [2022-07-23 16:05:41,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41 WrapperNode [2022-07-23 16:05:41,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 16:05:41,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 16:05:41,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 16:05:41,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 16:05:41,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,590 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2022-07-23 16:05:41,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 16:05:41,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 16:05:41,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 16:05:41,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 16:05:41,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 16:05:41,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 16:05:41,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 16:05:41,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 16:05:41,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (1/1) ... [2022-07-23 16:05:41,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:41,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:41,644 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 16:05:41,656 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 16:05:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 16:05:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 16:05:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 16:05:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 16:05:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 16:05:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 16:05:41,750 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 16:05:41,751 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 16:05:41,866 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 16:05:41,870 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 16:05:41,871 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-23 16:05:41,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:05:41 BoogieIcfgContainer [2022-07-23 16:05:41,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 16:05:41,873 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 16:05:41,873 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 16:05:41,875 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 16:05:41,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 16:05:41,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 04:05:41" (1/3) ... [2022-07-23 16:05:41,876 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c870f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 04:05:41, skipping insertion in model container [2022-07-23 16:05:41,876 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 16:05:41,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:05:41" (2/3) ... [2022-07-23 16:05:41,877 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c870f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 04:05:41, skipping insertion in model container [2022-07-23 16:05:41,877 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 16:05:41,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:05:41" (3/3) ... [2022-07-23 16:05:41,878 INFO L354 chiAutomizerObserver]: Analyzing ICFG subseq-alloca-2.i [2022-07-23 16:05:41,913 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 16:05:41,913 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 16:05:41,914 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 16:05:41,914 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 16:05:41,914 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 16:05:41,914 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 16:05:41,914 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 16:05:41,914 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 16:05:41,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 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 16:05:41,930 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-23 16:05:41,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:05:41,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:05:41,934 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 16:05:41,936 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 16:05:41,936 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 16:05:41,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 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 16:05:41,938 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-23 16:05:41,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:05:41,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:05:41,939 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 16:05:41,939 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 16:05:41,943 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 13#L530true assume !(main_~length1~0#1 < 1); 6#L530-2true assume !(main_~length2~0#1 < 1); 15#L533-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 7#L539-3true [2022-07-23 16:05:41,943 INFO L754 eck$LassoCheckResult]: Loop: 7#L539-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 18#L539-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 7#L539-3true [2022-07-23 16:05:41,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:41,947 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-07-23 16:05:41,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:41,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507234239] [2022-07-23 16:05:41,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:41,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:42,018 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:42,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:42,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:42,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-07-23 16:05:42,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:42,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789172095] [2022-07-23 16:05:42,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:42,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:42,057 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:42,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:42,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:42,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-07-23 16:05:42,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:42,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677408503] [2022-07-23 16:05:42,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:42,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:42,090 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:42,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:42,370 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 16:05:42,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 16:05:42,371 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 16:05:42,371 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 16:05:42,371 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 16:05:42,372 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:42,372 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 16:05:42,372 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 16:05:42,372 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-2.i_Iteration1_Lasso [2022-07-23 16:05:42,372 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 16:05:42,372 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 16:05:42,385 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 16:05:42,390 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 16:05:42,395 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 16:05:42,397 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 16:05:42,398 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 16:05:42,400 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 16:05:42,402 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 16:05:42,404 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 16:05:42,517 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 16:05:42,519 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 16:05:42,522 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 16:05:42,523 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 16:05:42,525 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 16:05:42,527 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 16:05:42,529 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 16:05:42,728 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 16:05:42,731 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 16:05:42,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:42,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:42,733 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 16:05:42,735 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 16:05:42,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:42,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:42,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:42,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:42,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:42,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:42,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:42,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:42,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:42,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-23 16:05:42,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:42,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:42,795 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 16:05:42,796 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 16:05:42,798 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 16:05:42,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:42,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:42,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:42,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:42,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:42,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:42,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:42,860 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 16:05:42,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:42,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:42,862 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 16:05:42,866 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 16:05:42,866 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 16:05:42,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:42,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:42,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:42,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:42,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:42,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:42,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:42,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:42,892 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 16:05:42,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:42,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:42,894 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 16:05:42,895 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 16:05:42,896 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 16:05:42,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:42,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:42,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:42,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:42,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:42,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:42,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:42,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:42,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:42,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:42,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:42,933 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 16:05:42,934 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 16:05:42,935 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 16:05:42,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:42,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:42,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:42,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:42,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:42,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:42,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:42,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:42,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-23 16:05:42,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:42,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:42,979 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 16:05:43,027 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 16:05:43,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:43,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:43,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:43,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:43,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:43,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:43,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:43,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:43,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:43,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-23 16:05:43,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:43,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:43,066 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 16:05:43,068 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 16:05:43,069 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 16:05:43,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:43,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:43,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:43,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:43,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:43,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:43,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:43,114 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 16:05:43,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:43,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:43,116 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 16:05:43,117 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 16:05:43,118 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 16:05:43,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:43,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:43,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:43,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:43,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:43,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:43,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:43,163 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 16:05:43,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:43,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:43,165 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 16:05:43,166 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 16:05:43,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:43,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:43,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:43,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:43,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:43,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:43,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:43,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:43,208 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 16:05:43,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:43,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:43,209 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 16:05:43,215 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 16:05:43,215 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 16:05:43,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:43,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:43,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:43,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:43,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:43,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:43,251 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 16:05:43,319 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-07-23 16:05:43,319 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-07-23 16:05:43,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:43,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:43,339 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 16:05:43,357 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 16:05:43,358 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 16:05:43,379 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 16:05:43,379 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 16:05:43,380 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString1~0#1.offset, ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_main_~nondetString1~0#1.offset - 1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 Supporting invariants [] [2022-07-23 16:05:43,406 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 16:05:43,419 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-23 16:05:43,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:05:43,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 16:05:43,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:05:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:05:43,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 16:05:43,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:05:43,513 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 16:05:43,544 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 16:05:43,546 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:05:43,610 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 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). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 79 transitions. Complement of second has 7 states. [2022-07-23 16:05:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-23 16:05:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:05:43,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-07-23 16:05:43,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-23 16:05:43,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:05:43,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-23 16:05:43,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:05:43,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-23 16:05:43,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:05:43,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 79 transitions. [2022-07-23 16:05:43,628 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 16:05:43,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 17 states and 24 transitions. [2022-07-23 16:05:43,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-23 16:05:43,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-23 16:05:43,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2022-07-23 16:05:43,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:05:43,632 INFO L369 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-23 16:05:43,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2022-07-23 16:05:43,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-07-23 16:05:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 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 16:05:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2022-07-23 16:05:43,658 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-23 16:05:43,658 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-23 16:05:43,658 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 16:05:43,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2022-07-23 16:05:43,660 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 16:05:43,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:05:43,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:05:43,661 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 16:05:43,661 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 16:05:43,661 INFO L752 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 152#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 162#L530 assume !(main_~length1~0#1 < 1); 153#L530-2 assume !(main_~length2~0#1 < 1); 154#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 155#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 156#L539-4 main_~i~1#1 := 0; 148#L545-3 [2022-07-23 16:05:43,662 INFO L754 eck$LassoCheckResult]: Loop: 148#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 150#L545-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 148#L545-3 [2022-07-23 16:05:43,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:43,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-07-23 16:05:43,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:43,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796506514] [2022-07-23 16:05:43,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:43,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:43,685 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:43,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:43,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:43,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-07-23 16:05:43,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:43,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549441435] [2022-07-23 16:05:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:43,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:43,724 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:43,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:43,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:43,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-07-23 16:05:43,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:43,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652791009] [2022-07-23 16:05:43,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:43,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:43,750 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:43,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:43,984 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 16:05:43,984 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 16:05:43,984 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 16:05:43,984 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 16:05:43,984 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 16:05:43,984 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:43,984 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 16:05:43,984 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 16:05:43,984 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-2.i_Iteration2_Lasso [2022-07-23 16:05:43,984 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 16:05:43,984 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 16:05:43,986 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 16:05:43,990 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 16:05:43,992 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 16:05:43,994 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 16:05:43,998 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 16:05:44,001 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 16:05:44,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:05:44,005 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 16:05:44,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:05:44,009 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 16:05:44,011 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 16:05:44,130 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 16:05:44,132 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 16:05:44,139 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 16:05:44,224 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 16:05:44,339 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 16:05:44,339 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 16:05:44,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,343 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 16:05:44,356 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 16:05:44,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:44,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:44,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:44,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:44,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:44,408 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 16:05:44,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,409 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 16:05:44,410 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 16:05:44,412 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 16:05:44,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:44,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:44,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:44,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:44,449 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 16:05:44,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,450 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 16:05:44,451 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 16:05:44,453 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 16:05:44,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:44,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:44,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:44,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:44,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:44,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,493 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 16:05:44,494 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 16:05:44,495 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 16:05:44,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:44,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:44,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:44,530 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 16:05:44,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,531 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 16:05:44,532 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 16:05:44,533 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 16:05:44,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:44,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:44,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:44,568 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 16:05:44,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,569 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 16:05:44,570 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 16:05:44,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:44,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:44,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:44,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:44,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:44,596 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 16:05:44,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,598 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 16:05:44,599 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 16:05:44,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:44,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:44,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:44,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:44,640 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 16:05:44,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,642 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 16:05:44,647 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 16:05:44,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,653 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 16:05:44,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:44,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:44,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:44,684 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 16:05:44,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,685 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:44,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-23 16:05:44,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:44,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:44,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:44,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:44,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:44,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:44,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,728 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:44,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-23 16:05:44,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:44,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:44,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:44,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:44,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:44,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:44,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,769 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:44,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-23 16:05:44,771 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 16:05:44,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:44,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:44,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:44,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:44,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:44,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:44,798 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 16:05:44,808 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-07-23 16:05:44,808 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-07-23 16:05:44,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:44,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:44,810 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:44,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-23 16:05:44,812 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 16:05:44,833 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 16:05:44,833 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 16:05:44,833 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2022-07-23 16:05:44,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:44,860 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-23 16:05:44,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:05:44,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 16:05:44,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:05:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:05:44,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 16:05:44,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:05:44,906 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 16:05:44,907 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 16:05:44,907 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 16:05:44,920 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 25 states and 38 transitions. Complement of second has 6 states. [2022-07-23 16:05:44,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-23 16:05:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 16:05:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2022-07-23 16:05:44,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-23 16:05:44,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:05:44,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-23 16:05:44,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:05:44,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 7 letters. Loop has 4 letters. [2022-07-23 16:05:44,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:05:44,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 38 transitions. [2022-07-23 16:05:44,923 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:05:44,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 26 transitions. [2022-07-23 16:05:44,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-23 16:05:44,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-23 16:05:44,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2022-07-23 16:05:44,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:05:44,924 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-07-23 16:05:44,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2022-07-23 16:05:44,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-07-23 16:05:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 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 16:05:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2022-07-23 16:05:44,925 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-07-23 16:05:44,925 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-07-23 16:05:44,926 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 16:05:44,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 26 transitions. [2022-07-23 16:05:44,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:05:44,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:05:44,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:05:44,927 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 16:05:44,927 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 16:05:44,927 INFO L752 eck$LassoCheckResult]: Stem: 268#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 269#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 279#L530 assume !(main_~length1~0#1 < 1); 270#L530-2 assume !(main_~length2~0#1 < 1); 271#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 272#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 273#L539-4 main_~i~1#1 := 0; 264#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 265#L545-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 276#L518-5 [2022-07-23 16:05:44,927 INFO L754 eck$LassoCheckResult]: Loop: 276#L518-5 call subseq_#t~mem2#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 277#L518-1 assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 280#L518-3 assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 281#L519 assume !(subseq_#t~mem5#1 == subseq_#t~mem6#1);havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1; 278#L519-2 subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 276#L518-5 [2022-07-23 16:05:44,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:44,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2022-07-23 16:05:44,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:44,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217567455] [2022-07-23 16:05:44,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:44,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:44,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:44,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:44,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:44,951 INFO L85 PathProgramCache]: Analyzing trace with hash 74536249, now seen corresponding path program 1 times [2022-07-23 16:05:44,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:44,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501423430] [2022-07-23 16:05:44,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:44,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:44,956 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:44,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:44,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:44,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1034036476, now seen corresponding path program 1 times [2022-07-23 16:05:44,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:44,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843676818] [2022-07-23 16:05:44,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:44,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:05:45,073 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 16:05:45,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 16:05:45,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843676818] [2022-07-23 16:05:45,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843676818] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 16:05:45,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 16:05:45,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 16:05:45,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143800463] [2022-07-23 16:05:45,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 16:05:45,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 16:05:45,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 16:05:45,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-23 16:05:45,165 INFO L87 Difference]: Start difference. First operand 18 states and 26 transitions. cyclomatic complexity: 11 Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 16:05:45,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 16:05:45,220 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2022-07-23 16:05:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 16:05:45,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2022-07-23 16:05:45,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:05:45,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 25 transitions. [2022-07-23 16:05:45,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-23 16:05:45,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-23 16:05:45,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-07-23 16:05:45,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:05:45,223 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-23 16:05:45,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-07-23 16:05:45,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-07-23 16:05:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 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 16:05:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-07-23 16:05:45,224 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-07-23 16:05:45,224 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-07-23 16:05:45,224 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 16:05:45,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-07-23 16:05:45,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:05:45,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:05:45,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:05:45,225 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 16:05:45,225 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 16:05:45,226 INFO L752 eck$LassoCheckResult]: Stem: 329#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 340#L530 assume !(main_~length1~0#1 < 1); 331#L530-2 assume !(main_~length2~0#1 < 1); 332#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 333#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 334#L539-4 main_~i~1#1 := 0; 325#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 326#L545-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 327#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 328#L545-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 337#L518-5 [2022-07-23 16:05:45,226 INFO L754 eck$LassoCheckResult]: Loop: 337#L518-5 call subseq_#t~mem2#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 338#L518-1 assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 341#L518-3 assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 342#L519 assume !(subseq_#t~mem5#1 == subseq_#t~mem6#1);havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1; 339#L519-2 subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 337#L518-5 [2022-07-23 16:05:45,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:45,226 INFO L85 PathProgramCache]: Analyzing trace with hash -2087704584, now seen corresponding path program 1 times [2022-07-23 16:05:45,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:45,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105891845] [2022-07-23 16:05:45,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:45,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:45,237 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:45,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:45,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash 74536249, now seen corresponding path program 2 times [2022-07-23 16:05:45,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:45,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980193280] [2022-07-23 16:05:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:45,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:45,249 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:45,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:45,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:45,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1834913698, now seen corresponding path program 1 times [2022-07-23 16:05:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:45,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611036130] [2022-07-23 16:05:45,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:05:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 16:05:45,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 16:05:45,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611036130] [2022-07-23 16:05:45,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611036130] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 16:05:45,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 16:05:45,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 16:05:45,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496613321] [2022-07-23 16:05:45,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 16:05:45,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:45,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 16:05:45,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 16:05:45,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 16:05:45,454 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 16:05:45,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 16:05:45,542 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-07-23 16:05:45,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 16:05:45,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2022-07-23 16:05:45,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:05:45,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 24 transitions. [2022-07-23 16:05:45,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-23 16:05:45,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-23 16:05:45,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2022-07-23 16:05:45,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:05:45,544 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-07-23 16:05:45,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2022-07-23 16:05:45,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-07-23 16:05:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 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 16:05:45,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2022-07-23 16:05:45,545 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-07-23 16:05:45,545 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-07-23 16:05:45,546 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-23 16:05:45,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2022-07-23 16:05:45,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:05:45,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:05:45,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:05:45,546 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 16:05:45,546 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 16:05:45,547 INFO L752 eck$LassoCheckResult]: Stem: 391#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 392#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 402#L530 assume !(main_~length1~0#1 < 1); 393#L530-2 assume !(main_~length2~0#1 < 1); 394#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 395#L539-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 396#L539-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 397#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 398#L539-4 main_~i~1#1 := 0; 387#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 388#L545-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 389#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 390#L545-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 399#L518-5 [2022-07-23 16:05:45,547 INFO L754 eck$LassoCheckResult]: Loop: 399#L518-5 call subseq_#t~mem2#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 400#L518-1 assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 403#L518-3 assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 404#L519 assume !(subseq_#t~mem5#1 == subseq_#t~mem6#1);havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1; 401#L519-2 subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 399#L518-5 [2022-07-23 16:05:45,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:45,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2022-07-23 16:05:45,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:45,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829023860] [2022-07-23 16:05:45,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:45,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:45,557 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:45,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:45,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:45,566 INFO L85 PathProgramCache]: Analyzing trace with hash 74536249, now seen corresponding path program 3 times [2022-07-23 16:05:45,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:45,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548525168] [2022-07-23 16:05:45,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:45,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:45,570 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:45,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:45,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:45,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1075475712, now seen corresponding path program 1 times [2022-07-23 16:05:45,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:05:45,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387403829] [2022-07-23 16:05:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:05:45,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:05:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:45,585 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:05:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:05:45,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:05:46,390 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 16:05:46,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 16:05:46,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 16:05:46,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 16:05:46,390 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 16:05:46,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:46,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 16:05:46,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 16:05:46,391 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-2.i_Iteration5_Lasso [2022-07-23 16:05:46,391 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 16:05:46,391 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 16:05:46,393 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 16:05:46,395 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 16:05:46,396 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 16:05:46,398 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 16:05:46,399 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 16:05:46,401 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 16:05:46,403 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 16:05:46,404 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 16:05:46,406 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 16:05:46,408 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 16:05:46,410 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 16:05:46,411 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 16:05:46,412 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 16:05:46,414 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 16:05:46,416 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 16:05:46,417 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 16:05:46,418 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 16:05:46,420 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 16:05:46,422 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 16:05:46,962 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 16:05:46,964 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 16:05:46,966 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 16:05:46,967 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 16:05:46,970 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 16:05:46,971 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 16:05:47,578 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 16:05:47,578 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 16:05:47,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:47,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:47,579 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:47,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-23 16:05:47,589 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 16:05:47,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:47,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:47,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:47,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:47,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:47,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:47,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:47,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:47,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:47,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:47,627 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:47,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-23 16:05:47,642 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 16:05:47,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:47,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:47,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:47,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:47,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:47,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:47,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:47,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:47,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:47,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:47,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:47,670 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:47,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-23 16:05:47,674 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 16:05:47,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:47,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:47,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:47,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:47,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:47,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:47,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:47,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:47,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:47,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:47,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:47,699 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:47,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-23 16:05:47,701 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 16:05:47,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:47,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:47,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:47,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:47,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:47,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:47,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:47,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:47,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:47,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:47,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:47,741 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:47,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-23 16:05:47,743 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 16:05:47,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:47,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:47,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:47,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:47,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:47,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:47,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:47,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:47,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-23 16:05:47,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:47,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:47,774 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:47,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-23 16:05:47,776 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 16:05:47,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:47,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:47,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:47,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:47,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:47,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:47,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:47,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-23 16:05:47,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:47,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:47,815 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:47,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-23 16:05:47,818 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 16:05:47,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:47,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:47,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:47,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:47,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:47,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:47,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:47,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:47,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:47,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:47,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:47,856 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:47,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-23 16:05:47,858 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 16:05:47,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:47,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:47,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:47,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:47,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:47,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:47,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:47,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:47,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:47,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:47,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:47,897 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:47,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-23 16:05:47,944 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 16:05:47,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:47,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:47,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:47,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:47,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:47,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:47,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:47,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:47,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:47,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:47,980 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:47,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-23 16:05:47,982 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 16:05:47,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:47,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:47,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:47,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:47,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:47,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:47,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:48,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:48,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,021 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-23 16:05:48,023 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 16:05:48,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:48,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:48,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:48,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-07-23 16:05:48,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,077 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-23 16:05:48,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:48,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:48,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:48,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:48,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-23 16:05:48,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,117 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-23 16:05:48,119 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 16:05:48,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:48,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:48,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:48,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-23 16:05:48,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,158 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-23 16:05:48,160 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 16:05:48,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:48,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:48,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:48,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-07-23 16:05:48,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,188 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-23 16:05:48,190 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 16:05:48,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:48,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:48,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:48,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-23 16:05:48,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,229 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-23 16:05:48,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:48,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:48,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:48,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:48,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:48,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,281 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-23 16:05:48,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:05:48,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:05:48,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:05:48,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:05:48,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:48,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,331 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-23 16:05:48,333 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 16:05:48,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:48,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:48,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:48,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,377 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-23 16:05:48,379 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 16:05:48,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,385 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-07-23 16:05:48,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,449 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2022-07-23 16:05:48,449 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-07-23 16:05:48,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:48,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,539 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-23 16:05:48,541 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 16:05:48,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:48,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:48,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:48,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,571 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-23 16:05:48,573 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 16:05:48,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:48,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:48,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:48,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,607 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-23 16:05:48,609 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 16:05:48,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:48,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:48,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-07-23 16:05:48,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,636 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-23 16:05:48,638 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 16:05:48,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:48,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:48,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-23 16:05:48,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,666 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-23 16:05:48,667 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 16:05:48,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:48,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:48,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:05:48,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-07-23 16:05:48,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,694 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-23 16:05:48,695 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 16:05:48,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:05:48,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:05:48,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:05:48,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:05:48,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:05:48,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:05:48,726 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 16:05:48,795 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2022-07-23 16:05:48,795 INFO L444 ModelExtractionUtils]: 23 out of 58 variables were initially zero. Simplification set additionally 32 variables to zero. [2022-07-23 16:05:48,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:05:48,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:05:48,796 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:05:48,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-23 16:05:48,798 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 16:05:48,805 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 16:05:48,805 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 16:05:48,805 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3, ULTIMATE.start_subseq_~pt~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3 - 1*ULTIMATE.start_subseq_~pt~0#1.offset Supporting invariants [] [2022-07-23 16:05:48,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-23 16:05:48,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-07-23 16:05:48,970 INFO L293 tatePredicateManager]: 25 out of 27 supporting invariants were superfluous and have been removed [2022-07-23 16:05:48,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:05:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:05:49,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-23 16:05:49,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:05:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:05:49,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-23 16:05:49,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:05:49,084 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 16:05:49,084 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-23 16:05:49,084 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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 16:05:49,110 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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) Result 23 states and 30 transitions. Complement of second has 7 states. [2022-07-23 16:05:49,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-23 16:05:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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 16:05:49,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2022-07-23 16:05:49,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 5 letters. [2022-07-23 16:05:49,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:05:49,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 18 letters. Loop has 5 letters. [2022-07-23 16:05:49,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:05:49,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 10 letters. [2022-07-23 16:05:49,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:05:49,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2022-07-23 16:05:49,117 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 16:05:49,117 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2022-07-23 16:05:49,117 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 16:05:49,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 16:05:49,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 16:05:49,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:05:49,118 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 16:05:49,118 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 16:05:49,118 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 16:05:49,118 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-23 16:05:49,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 16:05:49,118 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 16:05:49,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 16:05:49,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 04:05:49 BoogieIcfgContainer [2022-07-23 16:05:49,124 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 16:05:49,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 16:05:49,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 16:05:49,126 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 16:05:49,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:05:41" (3/4) ... [2022-07-23 16:05:49,128 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 16:05:49,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 16:05:49,129 INFO L158 Benchmark]: Toolchain (without parser) took 7953.10ms. Allocated memory was 132.1MB in the beginning and 205.5MB in the end (delta: 73.4MB). Free memory was 98.0MB in the beginning and 148.9MB in the end (delta: -50.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-07-23 16:05:49,129 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 16:05:49,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.04ms. Allocated memory is still 132.1MB. Free memory was 97.8MB in the beginning and 101.0MB in the end (delta: -3.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-23 16:05:49,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.26ms. Allocated memory is still 132.1MB. Free memory was 101.0MB in the beginning and 99.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 16:05:49,130 INFO L158 Benchmark]: Boogie Preprocessor took 16.91ms. Allocated memory is still 132.1MB. Free memory was 99.3MB in the beginning and 97.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 16:05:49,130 INFO L158 Benchmark]: RCFGBuilder took 263.35ms. Allocated memory is still 132.1MB. Free memory was 97.9MB in the beginning and 85.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 16:05:49,130 INFO L158 Benchmark]: BuchiAutomizer took 7251.84ms. Allocated memory was 132.1MB in the beginning and 205.5MB in the end (delta: 73.4MB). Free memory was 85.7MB in the beginning and 148.9MB in the end (delta: -63.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-07-23 16:05:49,130 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 205.5MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 16:05:49,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.04ms. Allocated memory is still 132.1MB. Free memory was 97.8MB in the beginning and 101.0MB in the end (delta: -3.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.26ms. Allocated memory is still 132.1MB. Free memory was 101.0MB in the beginning and 99.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.91ms. Allocated memory is still 132.1MB. Free memory was 99.3MB in the beginning and 97.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 263.35ms. Allocated memory is still 132.1MB. Free memory was 97.9MB in the beginning and 85.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 7251.84ms. Allocated memory was 132.1MB in the beginning and 205.5MB in the end (delta: 73.4MB). Free memory was 85.7MB in the beginning and 148.9MB in the end (delta: -63.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 205.5MB. Free memory is still 148.9MB. 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 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + -1 * nondetString1 + unknown-#length-unknown[nondetString1] and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * pt and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 6.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 214 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 132 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 82 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax111 hnf100 lsp84 ukn77 mio100 lsp48 div100 bol100 ite100 ukn100 eq177 hnf90 smp97 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 144ms VariablesStem: 6 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 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 16:05:49,173 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