./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strlcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fd4754e908bed6ae29d10e34d903201d1cfa0296 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:13:46,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:13:46,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:13:46,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:13:46,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:13:46,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:13:46,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:13:46,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:13:46,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:13:46,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:13:46,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:13:46,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:13:46,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:13:46,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:13:46,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:13:46,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:13:46,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:13:46,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:13:46,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:13:46,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:13:46,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:13:46,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:13:46,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:13:46,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:13:46,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:13:46,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:13:46,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:13:46,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:13:46,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:13:46,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:13:46,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:13:46,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:13:46,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:13:46,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:13:46,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:13:46,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:13:46,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:13:46,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:13:46,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:13:46,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:13:46,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:13:46,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:13:46,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:13:46,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:13:46,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:13:46,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:13:46,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:13:46,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:13:46,593 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:13:46,594 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:13:46,594 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:13:46,594 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:13:46,595 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:13:46,595 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:13:46,595 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:13:46,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:13:46,596 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:13:46,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:13:46,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:13:46,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:13:46,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:13:46,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:13:46,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:13:46,597 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:13:46,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:13:46,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:13:46,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:13:46,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:13:46,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:13:46,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:13:46,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:13:46,600 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:13:46,600 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4754e908bed6ae29d10e34d903201d1cfa0296 [2021-08-27 14:13:46,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:13:46,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:13:46,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:13:46,952 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:13:46,954 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:13:46,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-08-27 14:13:47,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc8a23bd5/0c65c34fd14e4e549674b4f306b92e85/FLAG0f60cc4cc [2021-08-27 14:13:47,526 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:13:47,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-08-27 14:13:47,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc8a23bd5/0c65c34fd14e4e549674b4f306b92e85/FLAG0f60cc4cc [2021-08-27 14:13:47,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc8a23bd5/0c65c34fd14e4e549674b4f306b92e85 [2021-08-27 14:13:47,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:13:47,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:13:47,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:13:47,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:13:47,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:13:47,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:13:47" (1/1) ... [2021-08-27 14:13:47,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df28007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:47, skipping insertion in model container [2021-08-27 14:13:47,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:13:47" (1/1) ... [2021-08-27 14:13:47,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:13:47,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:13:48,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:13:48,310 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:13:48,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:13:48,384 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:13:48,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48 WrapperNode [2021-08-27 14:13:48,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:13:48,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:13:48,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:13:48,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:13:48,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (1/1) ... [2021-08-27 14:13:48,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (1/1) ... [2021-08-27 14:13:48,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:13:48,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:13:48,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:13:48,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:13:48,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (1/1) ... [2021-08-27 14:13:48,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (1/1) ... [2021-08-27 14:13:48,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (1/1) ... [2021-08-27 14:13:48,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (1/1) ... [2021-08-27 14:13:48,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (1/1) ... [2021-08-27 14:13:48,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (1/1) ... [2021-08-27 14:13:48,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (1/1) ... [2021-08-27 14:13:48,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:13:48,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:13:48,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:13:48,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:13:48,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (1/1) ... [2021-08-27 14:13:48,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:48,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:48,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:48,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 14:13:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 14:13:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 14:13:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 14:13:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 14:13:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:13:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:13:48,935 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:13:48,935 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-27 14:13:48,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:13:48 BoogieIcfgContainer [2021-08-27 14:13:48,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:13:48,938 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:13:48,938 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:13:48,940 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:13:48,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:13:48,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:13:47" (1/3) ... [2021-08-27 14:13:48,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ff9aae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:13:48, skipping insertion in model container [2021-08-27 14:13:48,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:13:48,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:13:48" (2/3) ... [2021-08-27 14:13:48,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ff9aae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:13:48, skipping insertion in model container [2021-08-27 14:13:48,943 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:13:48,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:13:48" (3/3) ... [2021-08-27 14:13:48,944 INFO L389 chiAutomizerObserver]: Analyzing ICFG strlcpy.i [2021-08-27 14:13:48,991 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:13:48,991 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:13:48,991 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:13:48,991 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:13:48,991 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:13:48,991 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:13:48,991 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:13:48,991 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:13:49,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:13:49,053 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 14:13:49,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:13:49,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:13:49,058 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:13:49,058 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-27 14:13:49,058 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:13:49,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:13:49,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 14:13:49,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:13:49,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:13:49,061 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:13:49,061 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-27 14:13:49,075 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 11#L530true assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 5#L534true assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 16#L514true assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 21#L514-2true assume strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 9#L515-4true [2021-08-27 14:13:49,076 INFO L793 eck$LassoCheckResult]: Loop: 9#L515-4true strlcpy_#t~post5.base, strlcpy_#t~post5.offset := strlcpy_~d~0.base, strlcpy_~d~0.offset;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_#t~post5.base, 1 + strlcpy_#t~post5.offset;strlcpy_#t~post6.base, strlcpy_#t~post6.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post6.base, 1 + strlcpy_#t~post6.offset;call strlcpy_#t~mem7 := read~int(strlcpy_#t~post6.base, strlcpy_#t~post6.offset, 1);call write~int(strlcpy_#t~mem7, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, 1); 18#L516true assume !(0 == strlcpy_#t~mem7);havoc strlcpy_#t~post5.base, strlcpy_#t~post5.offset;havoc strlcpy_#t~post6.base, strlcpy_#t~post6.offset;havoc strlcpy_#t~mem7; 6#L515-1true strlcpy_#t~pre4 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1; 7#L515-2true assume !!(0 != strlcpy_#t~pre4 % 4294967296);havoc strlcpy_#t~pre4; 9#L515-4true [2021-08-27 14:13:49,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:49,091 INFO L82 PathProgramCache]: Analyzing trace with hash 889571278, now seen corresponding path program 1 times [2021-08-27 14:13:49,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:49,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439309826] [2021-08-27 14:13:49,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:49,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:49,259 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:49,337 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:49,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:49,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1698155, now seen corresponding path program 1 times [2021-08-27 14:13:49,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:49,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512056373] [2021-08-27 14:13:49,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:49,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:49,374 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:49,402 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:49,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:49,403 INFO L82 PathProgramCache]: Analyzing trace with hash 707592888, now seen corresponding path program 1 times [2021-08-27 14:13:49,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:49,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332133048] [2021-08-27 14:13:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:49,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:49,453 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:49,499 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:50,862 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:13:50,863 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:13:50,863 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:13:50,863 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:13:50,863 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:13:50,863 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:50,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:13:50,864 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:13:50,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration1_Lasso [2021-08-27 14:13:50,864 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:13:50,864 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:13:50,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:50,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:52,925 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:13:52,929 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:13:52,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:52,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:52,937 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) [2021-08-27 14:13:52,944 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 [2021-08-27 14:13:52,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:52,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:52,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:52,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:52,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:52,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:52,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:52,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:52,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:52,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:52,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:52,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,001 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) [2021-08-27 14:13:53,004 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 [2021-08-27 14:13:53,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,035 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 [2021-08-27 14:13:53,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,036 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) [2021-08-27 14:13:53,037 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 [2021-08-27 14:13:53,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-08-27 14:13:53,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,079 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 14:13:53,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:53,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:53,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,115 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 [2021-08-27 14:13:53,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 14:13:53,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,171 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 14:13:53,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,230 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 14:13:53,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,260 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 14:13:53,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:53,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:53,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,313 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 14:13:53,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,364 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 14:13:53,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,413 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 14:13:53,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,467 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 14:13:53,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,519 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,521 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 14:13:53,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,570 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 14:13:53,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,611 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,613 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 14:13:53,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,706 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 14:13:53,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,758 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 14:13:53,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,801 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-27 14:13:53,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:53,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:53,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:53,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:53,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:53,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:53,851 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:53,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:53,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:53,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:53,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:53,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:53,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-27 14:13:53,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:53,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:53,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:13:53,997 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-08-27 14:13:53,997 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-08-27 14:13:53,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:53,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:54,013 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:54,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-27 14:13:54,016 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:13:54,034 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:13:54,035 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:13:54,035 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1, ULTIMATE.start_strlcpy_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 - 1*ULTIMATE.start_strlcpy_~d~0.offset Supporting invariants [] [2021-08-27 14:13:54,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:54,107 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-08-27 14:13:54,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:13:54,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 14:13:54,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:13:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:13:54,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 14:13:54,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:13:54,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:13:54,436 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-08-27 14:13:54,438 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:13:54,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:54,545 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 49 states and 71 transitions. Complement of second has 8 states. [2021-08-27 14:13:54,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:13:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:13:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2021-08-27 14:13:54,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2021-08-27 14:13:54,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:13:54,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 10 letters. Loop has 4 letters. [2021-08-27 14:13:54,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:13:54,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 8 letters. [2021-08-27 14:13:54,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:13:54,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 71 transitions. [2021-08-27 14:13:54,554 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-27 14:13:54,557 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 22 states and 28 transitions. [2021-08-27 14:13:54,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-08-27 14:13:54,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-27 14:13:54,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-08-27 14:13:54,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:13:54,560 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-08-27 14:13:54,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-08-27 14:13:54,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-08-27 14:13:54,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:13:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-08-27 14:13:54,639 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-08-27 14:13:54,639 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-08-27 14:13:54,639 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:13:54,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-08-27 14:13:54,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:13:54,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:13:54,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:13:54,641 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:13:54,641 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 14:13:54,641 INFO L791 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 187#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 196#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 188#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 189#L514 assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 202#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 194#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 199#L521 assume !(0 != strlcpy_~siz % 4294967296); 200#L523-2 [2021-08-27 14:13:54,641 INFO L793 eck$LassoCheckResult]: Loop: 200#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 201#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 200#L523-2 [2021-08-27 14:13:54,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:54,642 INFO L82 PathProgramCache]: Analyzing trace with hash 179527912, now seen corresponding path program 1 times [2021-08-27 14:13:54,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:54,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091572685] [2021-08-27 14:13:54,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:54,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:13:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:13:54,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:13:54,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091572685] [2021-08-27 14:13:54,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091572685] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:13:54,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:13:54,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 14:13:54,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145212720] [2021-08-27 14:13:54,754 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:13:54,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:54,755 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 1 times [2021-08-27 14:13:54,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:54,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257761370] [2021-08-27 14:13:54,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:54,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:54,762 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:54,766 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:54,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:13:54,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 14:13:54,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 14:13:54,816 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:13:54,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:13:54,876 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2021-08-27 14:13:54,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 14:13:54,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2021-08-27 14:13:54,878 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-08-27 14:13:54,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 37 transitions. [2021-08-27 14:13:54,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-08-27 14:13:54,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-08-27 14:13:54,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-08-27 14:13:54,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:13:54,879 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-08-27 14:13:54,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-08-27 14:13:54,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2021-08-27 14:13:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 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) [2021-08-27 14:13:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-08-27 14:13:54,881 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-08-27 14:13:54,881 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-08-27 14:13:54,881 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 14:13:54,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-08-27 14:13:54,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:13:54,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:13:54,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:13:54,883 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:13:54,883 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 14:13:54,883 INFO L791 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 242#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 251#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 243#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 244#L514 assume !strlcpy_#t~short3; 257#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 260#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 259#L521 assume !(0 != strlcpy_~siz % 4294967296); 255#L523-2 [2021-08-27 14:13:54,883 INFO L793 eck$LassoCheckResult]: Loop: 255#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 256#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 255#L523-2 [2021-08-27 14:13:54,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:54,884 INFO L82 PathProgramCache]: Analyzing trace with hash 179587494, now seen corresponding path program 1 times [2021-08-27 14:13:54,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:54,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067377241] [2021-08-27 14:13:54,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:54,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:54,893 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:54,904 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:54,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:54,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 2 times [2021-08-27 14:13:54,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:54,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992944191] [2021-08-27 14:13:54,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:54,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:54,909 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:54,911 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:54,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:54,912 INFO L82 PathProgramCache]: Analyzing trace with hash 784891691, now seen corresponding path program 1 times [2021-08-27 14:13:54,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:54,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025376532] [2021-08-27 14:13:54,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:54,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:54,922 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:54,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:55,724 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:13:55,724 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:13:55,724 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:13:55,724 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:13:55,724 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:13:55,725 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:55,725 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:13:55,725 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:13:55,725 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration3_Lasso [2021-08-27 14:13:55,725 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:13:55,725 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:13:55,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:55,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:56,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:56,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:56,752 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:13:56,752 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:13:56,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:56,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:56,757 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:56,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-27 14:13:56,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:56,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:56,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:56,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:56,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:56,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:56,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:56,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:56,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:56,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-08-27 14:13:56,784 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:56,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:56,785 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:56,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-27 14:13:56,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:56,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:56,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:56,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:56,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:56,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:56,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:56,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:56,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:56,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:56,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:56,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:56,812 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:56,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-27 14:13:56,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:56,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:56,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:56,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:56,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:56,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:56,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:56,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:56,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:56,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:56,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:56,882 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:56,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-27 14:13:56,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:56,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:56,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:56,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:56,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:56,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:56,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:56,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:56,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:56,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:56,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:56,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:56,946 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:56,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:56,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-27 14:13:56,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:56,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:56,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:56,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:56,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:56,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:56,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:56,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:56,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,001 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:57,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-27 14:13:57,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,056 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-27 14:13:57,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:57,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-08-27 14:13:57,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,098 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-27 14:13:57,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:57,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,145 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-27 14:13:57,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:57,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:57,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,198 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-27 14:13:57,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:57,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,261 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-27 14:13:57,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:57,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-08-27 14:13:57,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,306 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-27 14:13:57,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:57,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-08-27 14:13:57,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,336 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-27 14:13:57,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:57,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,398 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-27 14:13:57,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:57,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,444 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-27 14:13:57,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:57,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,495 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-27 14:13:57,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:13:57,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,541 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:57,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:57,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-27 14:13:57,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,600 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-27 14:13:57,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:13:57,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,611 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 14:13:57,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,612 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:13:57,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:13:57,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,651 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:57,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:57,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-27 14:13:57,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,705 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 [2021-08-27 14:13:57,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,707 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-27 14:13:57,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:57,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:57,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,795 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-27 14:13:57,798 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 [2021-08-27 14:13:57,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:57,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:57,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:57,865 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,866 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-27 14:13:57,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:57,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:57,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-08-27 14:13:57,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,906 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-27 14:13:57,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:57,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:57,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:13:57,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-08-27 14:13:57,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:57,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:57,960 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:57,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-27 14:13:57,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:13:57,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:13:57,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:13:57,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:13:57,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:13:57,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:13:57,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:13:57,992 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:13:58,008 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-08-27 14:13:58,008 INFO L444 ModelExtractionUtils]: 25 out of 37 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-08-27 14:13:58,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:58,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:13:58,009 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:13:58,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-27 14:13:58,011 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:13:58,020 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:13:58,020 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:13:58,020 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2, ULTIMATE.start_strlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 - 1*ULTIMATE.start_strlcpy_~s~0.offset Supporting invariants [] [2021-08-27 14:13:58,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-08-27 14:13:58,049 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-08-27 14:13:58,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:13:58,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 14:13:58,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:13:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:13:58,148 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 14:13:58,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:13:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:13:58,183 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 [2021-08-27 14:13:58,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:13:58,216 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 24 states and 30 transitions. Complement of second has 5 states. [2021-08-27 14:13:58,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:13:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:13:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-08-27 14:13:58,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2021-08-27 14:13:58,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:13:58,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2021-08-27 14:13:58,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:13:58,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2021-08-27 14:13:58,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:13:58,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-08-27 14:13:58,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:13:58,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2021-08-27 14:13:58,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-08-27 14:13:58,220 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-08-27 14:13:58,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-08-27 14:13:58,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:13:58,220 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-08-27 14:13:58,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-08-27 14:13:58,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-08-27 14:13:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:13:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-08-27 14:13:58,222 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-08-27 14:13:58,222 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-08-27 14:13:58,222 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 14:13:58,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-08-27 14:13:58,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:13:58,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:13:58,223 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:13:58,224 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:13:58,224 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 14:13:58,224 INFO L791 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 371#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 380#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 376#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 377#L514 assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 386#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 378#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 383#L521 assume 0 != strlcpy_~siz % 4294967296;call write~int(0, strlcpy_~d~0.base, strlcpy_~d~0.offset, 1); 384#L523-2 [2021-08-27 14:13:58,224 INFO L793 eck$LassoCheckResult]: Loop: 384#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 385#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 384#L523-2 [2021-08-27 14:13:58,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:58,225 INFO L82 PathProgramCache]: Analyzing trace with hash 179527910, now seen corresponding path program 1 times [2021-08-27 14:13:58,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:58,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666868988] [2021-08-27 14:13:58,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:58,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:58,236 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:58,248 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:58,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:58,249 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 3 times [2021-08-27 14:13:58,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:58,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383325780] [2021-08-27 14:13:58,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:58,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:58,252 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:58,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:58,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:13:58,255 INFO L82 PathProgramCache]: Analyzing trace with hash 727631467, now seen corresponding path program 1 times [2021-08-27 14:13:58,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:13:58,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605801289] [2021-08-27 14:13:58,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:13:58,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:13:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:58,265 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:13:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:13:58,285 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:13:58,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-08-27 14:13:59,339 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:13:59,339 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:13:59,339 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:13:59,339 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:13:59,340 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:13:59,340 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:13:59,340 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:13:59,340 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:13:59,340 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration4_Lasso [2021-08-27 14:13:59,340 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:13:59,340 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:13:59,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:13:59,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:14:00,230 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:14:00,230 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:14:00,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:14:00,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:14:00,237 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:14:00,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-27 14:14:00,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:14:00,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:14:00,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:14:00,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:14:00,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:14:00,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:14:00,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:14:00,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:14:00,265 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 [2021-08-27 14:14:00,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:14:00,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:14:00,266 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:14:00,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-27 14:14:00,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:14:00,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:14:00,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:14:00,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:14:00,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:14:00,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:14:00,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:14:00,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:14:00,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-27 14:14:00,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:14:00,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:14:00,340 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:14:00,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-27 14:14:00,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:14:00,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:14:00,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:14:00,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:14:00,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:14:00,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:14:00,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:14:00,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:14:00,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-27 14:14:00,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:14:00,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:14:00,407 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:14:00,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-27 14:14:00,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:14:00,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:14:00,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:14:00,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:14:00,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:14:00,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:14:00,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:14:00,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:14:00,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-27 14:14:00,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:14:00,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:14:00,462 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:14:00,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-27 14:14:00,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:14:00,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:14:00,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:14:00,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:14:00,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:14:00,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:14:00,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:14:00,512 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:14:00,532 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-08-27 14:14:00,532 INFO L444 ModelExtractionUtils]: 26 out of 37 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-08-27 14:14:00,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:14:00,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:14:00,537 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:14:00,545 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:14:00,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-27 14:14:00,553 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:14:00,554 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:14:00,554 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3, ULTIMATE.start_strlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3 - 1*ULTIMATE.start_strlcpy_~s~0.offset Supporting invariants [] [2021-08-27 14:14:00,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-08-27 14:14:00,586 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-08-27 14:14:00,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:14:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:14:00,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 14:14:00,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:14:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:14:00,695 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 14:14:00,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:14:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:14:00,729 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 [2021-08-27 14:14:00,729 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:14:00,765 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 19 states and 23 transitions. Complement of second has 5 states. [2021-08-27 14:14:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:14:00,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:14:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-08-27 14:14:00,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 2 letters. [2021-08-27 14:14:00,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:14:00,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2021-08-27 14:14:00,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:14:00,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 4 letters. [2021-08-27 14:14:00,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:14:00,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-08-27 14:14:00,771 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:14:00,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-08-27 14:14:00,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 14:14:00,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 14:14:00,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 14:14:00,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:14:00,772 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:14:00,772 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:14:00,772 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:14:00,772 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 14:14:00,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 14:14:00,773 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:14:00,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 14:14:00,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:14:00 BoogieIcfgContainer [2021-08-27 14:14:00,780 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:14:00,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:14:00,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:14:00,781 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:14:00,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:13:48" (3/4) ... [2021-08-27 14:14:00,783 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 14:14:00,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:14:00,785 INFO L168 Benchmark]: Toolchain (without parser) took 12922.02 ms. Allocated memory was 54.5 MB in the beginning and 144.7 MB in the end (delta: 90.2 MB). Free memory was 38.6 MB in the beginning and 56.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.1 GB. [2021-08-27 14:14:00,786 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 44.0 MB. Free memory was 27.0 MB in the beginning and 26.9 MB in the end (delta: 41.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:14:00,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.89 ms. Allocated memory is still 54.5 MB. Free memory was 38.3 MB in the beginning and 34.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-08-27 14:14:00,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.60 ms. Allocated memory is still 54.5 MB. Free memory was 34.0 MB in the beginning and 32.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:14:00,789 INFO L168 Benchmark]: Boogie Preprocessor took 43.56 ms. Allocated memory is still 54.5 MB. Free memory was 32.1 MB in the beginning and 30.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:14:00,789 INFO L168 Benchmark]: RCFGBuilder took 443.02 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 25.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-08-27 14:14:00,789 INFO L168 Benchmark]: BuchiAutomizer took 11842.07 ms. Allocated memory was 54.5 MB in the beginning and 144.7 MB in the end (delta: 90.2 MB). Free memory was 25.0 MB in the beginning and 56.7 MB in the end (delta: -31.6 MB). Peak memory consumption was 58.5 MB. Max. memory is 16.1 GB. [2021-08-27 14:14:00,789 INFO L168 Benchmark]: Witness Printer took 3.19 ms. Allocated memory is still 144.7 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:14:00,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 44.0 MB. Free memory was 27.0 MB in the beginning and 26.9 MB in the end (delta: 41.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 512.89 ms. Allocated memory is still 54.5 MB. Free memory was 38.3 MB in the beginning and 34.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.60 ms. Allocated memory is still 54.5 MB. Free memory was 34.0 MB in the beginning and 32.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.56 ms. Allocated memory is still 54.5 MB. Free memory was 32.1 MB in the beginning and 30.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 443.02 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 25.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11842.07 ms. Allocated memory was 54.5 MB in the beginning and 144.7 MB in the end (delta: 90.2 MB). Free memory was 25.0 MB in the beginning and 56.7 MB in the end (delta: -31.6 MB). Peak memory consumption was 58.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.19 ms. Allocated memory is still 144.7 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * d and consists of 6 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 10.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 17.2ms AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 79 SDtfs, 119 SDslu, 41 SDs, 0 SdLazy, 48 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 78.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf100 lsp97 ukn85 mio100 lsp38 div188 bol100 ite100 ukn100 eq174 hnf66 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 14:14:00,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-08-27 14:14:01,026 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...