./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.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 a82db68f7b8f363f6b0bcc2411736f9dd89d1bc3b2cb78acd33fa27de131c98b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:03:46,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:03:46,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:03:46,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:03:46,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:03:46,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:03:46,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:03:46,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:03:46,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:03:46,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:03:46,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:03:46,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:03:46,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:03:46,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:03:46,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:03:46,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:03:46,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:03:46,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:03:46,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:03:46,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:03:46,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:03:46,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:03:46,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:03:46,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:03:46,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:03:46,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:03:46,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:03:46,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:03:46,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:03:46,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:03:46,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:03:46,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:03:46,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:03:46,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:03:46,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:03:46,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:03:46,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:03:46,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:03:46,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:03:46,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:03:46,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:03:46,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-15 17:03:46,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:03:46,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:03:46,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:03:46,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:03:46,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:03:46,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:03:46,591 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:03:46,591 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:03:46,591 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:03:46,592 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:03:46,592 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:03:46,593 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:03:46,593 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:03:46,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:03:46,593 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:03:46,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:03:46,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:03:46,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:03:46,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:03:46,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:03:46,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:03:46,594 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:03:46,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:03:46,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:03:46,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:03:46,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:03:46,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:03:46,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:03:46,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:03:46,597 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:03:46,598 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82db68f7b8f363f6b0bcc2411736f9dd89d1bc3b2cb78acd33fa27de131c98b [2021-12-15 17:03:46,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:03:46,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:03:46,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:03:46,815 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:03:46,816 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:03:46,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2021-12-15 17:03:46,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8701d0d/a8555a259a1941ce9beec79b4f672585/FLAG70dde70ef [2021-12-15 17:03:47,258 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:03:47,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2021-12-15 17:03:47,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8701d0d/a8555a259a1941ce9beec79b4f672585/FLAG70dde70ef [2021-12-15 17:03:47,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8701d0d/a8555a259a1941ce9beec79b4f672585 [2021-12-15 17:03:47,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:03:47,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:03:47,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:03:47,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:03:47,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:03:47,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@debc783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47, skipping insertion in model container [2021-12-15 17:03:47,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:03:47,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:03:47,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:03:47,547 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:03:47,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:03:47,605 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:03:47,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47 WrapperNode [2021-12-15 17:03:47,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:03:47,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:03:47,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:03:47,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:03:47,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,639 INFO L137 Inliner]: procedures = 111, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2021-12-15 17:03:47,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:03:47,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:03:47,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:03:47,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:03:47,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:03:47,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:03:47,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:03:47,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:03:47,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (1/1) ... [2021-12-15 17:03:47,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:47,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:47,692 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) [2021-12-15 17:03:47,698 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 [2021-12-15 17:03:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:03:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:03:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:03:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:03:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:03:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:03:47,810 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:03:47,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:03:47,930 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:03:47,934 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:03:47,934 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:03:47,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:03:47 BoogieIcfgContainer [2021-12-15 17:03:47,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:03:47,936 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:03:47,936 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:03:47,938 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:03:47,939 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:03:47,939 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:03:47" (1/3) ... [2021-12-15 17:03:47,940 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21728429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:03:47, skipping insertion in model container [2021-12-15 17:03:47,940 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:03:47,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:47" (2/3) ... [2021-12-15 17:03:47,940 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21728429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:03:47, skipping insertion in model container [2021-12-15 17:03:47,940 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:03:47,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:03:47" (3/3) ... [2021-12-15 17:03:47,941 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncat-alloca-1.i [2021-12-15 17:03:47,968 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:03:47,968 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:03:47,968 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:03:47,968 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:03:47,968 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:03:47,968 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:03:47,968 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:03:47,968 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:03:47,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 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) [2021-12-15 17:03:47,988 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-15 17:03:47,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:47,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:47,992 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:03:47,992 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:03:47,992 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:03:47,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 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) [2021-12-15 17:03:47,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-15 17:03:47,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:47,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:47,994 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:03:47,994 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:03:47,998 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~ret13#1.base, main_#t~ret13#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 18#L568true assume !(main_~length1~0#1 < 1); 16#L568-2true assume !(main_~length2~0#1 < 1); 11#L571-1true assume !(main_~n~0#1 < 1); 14#L574-1true assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~dst#1.base, cstrncat_#in~dst#1.offset, cstrncat_#in~src#1.base, cstrncat_#in~src#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset, cstrncat_#t~mem2#1, cstrncat_#t~post5#1.base, cstrncat_#t~post5#1.offset, cstrncat_#t~mem6#1, cstrncat_#t~post7#1.base, cstrncat_#t~post7#1.offset, cstrncat_#t~pre4#1, cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, cstrncat_~dst#1.base, cstrncat_~dst#1.offset, cstrncat_~src#1.base, cstrncat_~src#1.offset, cstrncat_~n#1;cstrncat_~dst#1.base, cstrncat_~dst#1.offset := cstrncat_#in~dst#1.base, cstrncat_#in~dst#1.offset;cstrncat_~src#1.base, cstrncat_~src#1.offset := cstrncat_#in~src#1.base, cstrncat_#in~src#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1; 19#L550true assume 0 != cstrncat_~n#1 % 18446744073709551616;cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset := cstrncat_~dst#1.base, cstrncat_~dst#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~src#1.base, cstrncat_~src#1.offset; 6#L553-3true [2021-12-15 17:03:47,999 INFO L793 eck$LassoCheckResult]: Loop: 6#L553-3true call cstrncat_#t~mem2#1 := read~int(cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset, 1); 10#L553-1true assume !!(0 != cstrncat_#t~mem2#1);havoc cstrncat_#t~mem2#1;cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset := cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset;cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset := cstrncat_#t~post3#1.base, 1 + cstrncat_#t~post3#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset; 6#L553-3true [2021-12-15 17:03:48,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:48,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939629, now seen corresponding path program 1 times [2021-12-15 17:03:48,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:48,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190772738] [2021-12-15 17:03:48,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:48,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:48,169 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:48,242 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:48,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:48,245 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2021-12-15 17:03:48,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:48,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844192994] [2021-12-15 17:03:48,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:48,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:48,258 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:48,266 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:48,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:48,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1302196946, now seen corresponding path program 1 times [2021-12-15 17:03:48,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:48,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37554827] [2021-12-15 17:03:48,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:48,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:48,334 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:48,355 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:49,114 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:03:49,115 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:03:49,115 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:03:49,115 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:03:49,115 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:03:49,115 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:49,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:03:49,117 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:03:49,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-1.i_Iteration1_Lasso [2021-12-15 17:03:49,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:03:49,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:03:49,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:49,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:50,077 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:03:50,080 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:03:50,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,083 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) [2021-12-15 17:03:50,092 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 [2021-12-15 17:03:50,094 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 [2021-12-15 17:03:50,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,134 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 [2021-12-15 17:03:50,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,136 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) [2021-12-15 17:03:50,137 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 [2021-12-15 17:03:50,138 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 [2021-12-15 17:03:50,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,178 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 [2021-12-15 17:03:50,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,180 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) [2021-12-15 17:03:50,182 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 [2021-12-15 17:03:50,184 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 [2021-12-15 17:03:50,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,209 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 [2021-12-15 17:03:50,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,210 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) [2021-12-15 17:03:50,211 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 [2021-12-15 17:03:50,213 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 [2021-12-15 17:03:50,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:50,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:50,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-15 17:03:50,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,264 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) [2021-12-15 17:03:50,265 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 [2021-12-15 17:03:50,266 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 [2021-12-15 17:03:50,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,299 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 [2021-12-15 17:03:50,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,300 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) [2021-12-15 17:03:50,302 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 [2021-12-15 17:03:50,304 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 [2021-12-15 17:03:50,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,341 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 [2021-12-15 17:03:50,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,342 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) [2021-12-15 17:03:50,344 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 [2021-12-15 17:03:50,360 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 [2021-12-15 17:03:50,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:50,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:50,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,396 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 [2021-12-15 17:03:50,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,398 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) [2021-12-15 17:03:50,400 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 [2021-12-15 17:03:50,401 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 [2021-12-15 17:03:50,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,424 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 [2021-12-15 17:03:50,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,425 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) [2021-12-15 17:03:50,427 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 [2021-12-15 17:03:50,428 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 [2021-12-15 17:03:50,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-15 17:03:50,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,487 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) [2021-12-15 17:03:50,489 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 [2021-12-15 17:03:50,491 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 [2021-12-15 17:03:50,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:50,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:50,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,518 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 [2021-12-15 17:03:50,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,520 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) [2021-12-15 17:03:50,521 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 [2021-12-15 17:03:50,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:50,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,550 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 [2021-12-15 17:03:50,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,551 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) [2021-12-15 17:03:50,552 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 [2021-12-15 17:03:50,553 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 [2021-12-15 17:03:50,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,579 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 [2021-12-15 17:03:50,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,580 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) [2021-12-15 17:03:50,583 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 [2021-12-15 17:03:50,588 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 [2021-12-15 17:03:50,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,621 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 [2021-12-15 17:03:50,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,622 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) [2021-12-15 17:03:50,624 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 [2021-12-15 17:03:50,625 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 [2021-12-15 17:03:50,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,664 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 [2021-12-15 17:03:50,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,666 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) [2021-12-15 17:03:50,667 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 [2021-12-15 17:03:50,668 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 [2021-12-15 17:03:50,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:50,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:50,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:50,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,709 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 [2021-12-15 17:03:50,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,711 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) [2021-12-15 17:03:50,712 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 [2021-12-15 17:03:50,713 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 [2021-12-15 17:03:50,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:50,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:50,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,755 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 [2021-12-15 17:03:50,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,770 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) [2021-12-15 17:03:50,771 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 [2021-12-15 17:03:50,772 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 [2021-12-15 17:03:50,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:50,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:50,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:50,811 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 [2021-12-15 17:03:50,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,813 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) [2021-12-15 17:03:50,813 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 [2021-12-15 17:03:50,815 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 [2021-12-15 17:03:50,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:50,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:50,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:50,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:50,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:50,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:50,850 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:03:50,909 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-15 17:03:50,909 INFO L444 ModelExtractionUtils]: 17 out of 61 variables were initially zero. Simplification set additionally 41 variables to zero. [2021-12-15 17:03:50,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:50,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:50,911 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) [2021-12-15 17:03:50,917 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:03:50,925 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 [2021-12-15 17:03:50,933 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:03:50,933 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:03:50,934 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncat_~d~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_cstrncat_~d~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 Supporting invariants [] [2021-12-15 17:03:50,965 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 [2021-12-15 17:03:50,989 INFO L297 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2021-12-15 17:03:51,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:51,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 17:03:51,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:51,088 WARN L261 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 17:03:51,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:51,121 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 [2021-12-15 17:03:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:51,149 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 [2021-12-15 17:03:51,150 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:51,204 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 61 transitions. Complement of second has 9 states. [2021-12-15 17:03:51,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:03:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:51,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2021-12-15 17:03:51,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-15 17:03:51,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:51,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-15 17:03:51,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:51,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-15 17:03:51,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:51,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 61 transitions. [2021-12-15 17:03:51,213 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:03:51,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2021-12-15 17:03:51,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:03:51,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:03:51,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:03:51,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:03:51,216 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:03:51,216 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:03:51,216 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:03:51,216 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:03:51,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:03:51,217 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:03:51,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:03:51,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:03:51 BoogieIcfgContainer [2021-12-15 17:03:51,221 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:03:51,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:03:51,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:03:51,222 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:03:51,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:03:47" (3/4) ... [2021-12-15 17:03:51,224 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:03:51,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:03:51,225 INFO L158 Benchmark]: Toolchain (without parser) took 3943.06ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 51.1MB in the beginning and 75.0MB in the end (delta: -23.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:03:51,225 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 88.1MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:03:51,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.51ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 57.9MB in the end (delta: -7.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 17:03:51,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.20ms. Allocated memory is still 88.1MB. Free memory was 57.9MB in the beginning and 56.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:03:51,226 INFO L158 Benchmark]: Boogie Preprocessor took 26.57ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 54.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:03:51,227 INFO L158 Benchmark]: RCFGBuilder took 268.76ms. Allocated memory is still 88.1MB. Free memory was 54.7MB in the beginning and 43.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:03:51,227 INFO L158 Benchmark]: BuchiAutomizer took 3285.45ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 43.2MB in the beginning and 75.7MB in the end (delta: -32.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:03:51,227 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 111.1MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:03:51,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 88.1MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.51ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 57.9MB in the end (delta: -7.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.20ms. Allocated memory is still 88.1MB. Free memory was 57.9MB in the beginning and 56.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.57ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 54.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 268.76ms. Allocated memory is still 88.1MB. Free memory was 54.7MB in the beginning and 43.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3285.45ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 43.2MB in the beginning and 75.7MB in the end (delta: -32.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 111.1MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[nondetString1] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 19 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax108 hnf100 lsp89 ukn83 mio100 lsp55 div138 bol100 ite100 ukn100 eq177 hnf76 smp96 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms 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! [2021-12-15 17:03:51,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE