./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 16:04:51,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 16:04:51,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 16:04:51,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 16:04:51,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 16:04:51,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 16:04:51,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 16:04:51,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 16:04:51,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 16:04:51,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 16:04:51,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 16:04:51,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 16:04:51,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 16:04:51,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 16:04:51,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 16:04:51,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 16:04:51,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 16:04:51,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 16:04:51,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 16:04:51,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 16:04:51,244 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 16:04:51,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 16:04:51,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 16:04:51,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 16:04:51,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 16:04:51,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 16:04:51,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 16:04:51,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 16:04:51,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 16:04:51,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 16:04:51,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 16:04:51,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 16:04:51,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 16:04:51,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 16:04:51,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 16:04:51,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 16:04:51,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 16:04:51,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 16:04:51,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 16:04:51,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 16:04:51,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 16:04:51,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 16:04:51,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 16:04:51,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 16:04:51,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 16:04:51,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 16:04:51,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 16:04:51,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 16:04:51,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 16:04:51,293 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 16:04:51,293 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 16:04:51,293 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 16:04:51,294 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 16:04:51,294 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 16:04:51,294 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 16:04:51,294 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 16:04:51,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 16:04:51,295 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 16:04:51,295 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 16:04:51,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 16:04:51,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 16:04:51,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 16:04:51,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 16:04:51,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 16:04:51,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 16:04:51,297 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 16:04:51,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 16:04:51,297 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 16:04:51,297 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 16:04:51,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 16:04:51,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 16:04:51,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 16:04:51,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 16:04:51,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 16:04:51,299 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 16:04:51,299 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 [2022-07-23 16:04:51,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 16:04:51,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 16:04:51,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 16:04:51,508 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 16:04:51,508 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 16:04:51,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2022-07-23 16:04:51,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ef752e8/7b0e320f929e4381ae84a5f92c90b8c9/FLAGd8c285019 [2022-07-23 16:04:51,977 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 16:04:51,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2022-07-23 16:04:51,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ef752e8/7b0e320f929e4381ae84a5f92c90b8c9/FLAGd8c285019 [2022-07-23 16:04:52,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ef752e8/7b0e320f929e4381ae84a5f92c90b8c9 [2022-07-23 16:04:52,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 16:04:52,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 16:04:52,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 16:04:52,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 16:04:52,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 16:04:52,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230cc922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52, skipping insertion in model container [2022-07-23 16:04:52,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 16:04:52,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 16:04:52,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 16:04:52,312 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 16:04:52,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 16:04:52,363 INFO L208 MainTranslator]: Completed translation [2022-07-23 16:04:52,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52 WrapperNode [2022-07-23 16:04:52,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 16:04:52,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 16:04:52,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 16:04:52,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 16:04:52,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,415 INFO L137 Inliner]: procedures = 116, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-07-23 16:04:52,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 16:04:52,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 16:04:52,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 16:04:52,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 16:04:52,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 16:04:52,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 16:04:52,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 16:04:52,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 16:04:52,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (1/1) ... [2022-07-23 16:04:52,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:52,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:52,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:52,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 16:04:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 16:04:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 16:04:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 16:04:52,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 16:04:52,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 16:04:52,585 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 16:04:52,586 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 16:04:52,692 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 16:04:52,696 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 16:04:52,699 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 16:04:52,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:04:52 BoogieIcfgContainer [2022-07-23 16:04:52,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 16:04:52,702 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 16:04:52,703 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 16:04:52,705 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 16:04:52,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 16:04:52,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 04:04:52" (1/3) ... [2022-07-23 16:04:52,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64ebcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 04:04:52, skipping insertion in model container [2022-07-23 16:04:52,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 16:04:52,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:52" (2/3) ... [2022-07-23 16:04:52,707 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64ebcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 04:04:52, skipping insertion in model container [2022-07-23 16:04:52,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 16:04:52,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:04:52" (3/3) ... [2022-07-23 16:04:52,708 INFO L354 chiAutomizerObserver]: Analyzing ICFG openbsd_cbzero-alloca-2.i [2022-07-23 16:04:52,773 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 16:04:52,787 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 16:04:52,787 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 16:04:52,787 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 16:04:52,788 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 16:04:52,788 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 16:04:52,788 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 16:04:52,788 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 16:04:52,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:52,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 16:04:52,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:04:52,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:04:52,819 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 16:04:52,819 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 16:04:52,819 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 16:04:52,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:52,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 16:04:52,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:04:52,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:04:52,821 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 16:04:52,821 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 16:04:52,825 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;main_~length~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11#L522true assume !(main_~length~0#1 < 1); 6#L522-2true assume !(main_~n~0#1 < 1); 4#L525-1true assume !(main_~n~0#1 > main_~length~0#1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;assume { :begin_inline_cbzero } true;cbzero_#in~b#1.base, cbzero_#in~b#1.offset, cbzero_#in~length#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~n~0#1;havoc cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, cbzero_#t~post2#1, cbzero_~b#1.base, cbzero_~b#1.offset, cbzero_~length#1, cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~b#1.base, cbzero_~b#1.offset := cbzero_#in~b#1.base, cbzero_#in~b#1.offset;cbzero_~length#1 := cbzero_#in~length#1;havoc cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_~b#1.base, cbzero_~b#1.offset; 7#L516-3true [2022-07-23 16:04:52,826 INFO L754 eck$LassoCheckResult]: Loop: 7#L516-3true cbzero_#t~post2#1 := cbzero_~length#1;cbzero_~length#1 := cbzero_#t~post2#1 - 1; 2#L516-1true assume !!(0 != cbzero_#t~post2#1 % 4294967296);havoc cbzero_#t~post2#1;cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset := cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_#t~post3#1.base, 1 + cbzero_#t~post3#1.offset;call write~int(0, cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, 1);havoc cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset; 7#L516-3true [2022-07-23 16:04:52,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:52,835 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2022-07-23 16:04:52,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:52,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444551714] [2022-07-23 16:04:52,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:52,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:52,904 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:52,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:52,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:52,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2022-07-23 16:04:52,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:52,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765415367] [2022-07-23 16:04:52,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:52,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:52,936 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:52,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:52,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:52,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939567, now seen corresponding path program 1 times [2022-07-23 16:04:52,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:52,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877583906] [2022-07-23 16:04:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:52,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:52,961 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:52,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:53,319 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 16:04:53,319 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 16:04:53,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 16:04:53,320 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 16:04:53,320 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 16:04:53,320 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:53,320 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 16:04:53,321 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 16:04:53,321 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cbzero-alloca-2.i_Iteration1_Lasso [2022-07-23 16:04:53,321 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 16:04:53,321 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 16:04:53,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:53,904 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 16:04:53,907 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 16:04:53,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:53,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:53,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:53,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-23 16:04:53,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:53,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:53,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:53,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:53,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:53,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:53,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:53,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:53,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:53,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:53,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:53,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:53,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:53,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-23 16:04:53,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:53,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:53,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:53,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:53,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:53,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:53,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:53,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:53,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:54,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:54,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:54,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:54,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:54,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-23 16:04:54,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:54,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:54,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:54,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:54,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:54,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:54,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:54,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:54,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:54,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:54,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:54,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:54,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-23 16:04:54,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:54,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:54,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:54,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:54,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:54,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:54,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:54,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:54,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-07-23 16:04:54,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:54,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:54,103 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:54,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-23 16:04:54,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:54,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:54,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:54,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:54,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:54,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:54,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:54,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:54,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:54,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:54,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:54,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:54,184 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:54,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-23 16:04:54,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:54,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:54,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:54,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:54,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:54,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:54,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:54,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:54,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:54,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:54,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:54,289 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:54,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-23 16:04:54,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:54,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:54,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:54,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:54,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:54,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:54,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:54,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:54,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:54,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-23 16:04:54,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:54,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:54,346 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:54,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-23 16:04:54,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:54,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:54,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:54,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:54,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:54,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:54,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:54,388 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 16:04:54,401 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-07-23 16:04:54,401 INFO L444 ModelExtractionUtils]: 31 out of 37 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-23 16:04:54,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:54,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:54,411 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:54,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-23 16:04:54,444 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 16:04:54,459 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 16:04:54,459 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 16:04:54,459 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cbzero_~p~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1) = -1*ULTIMATE.start_cbzero_~p~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1 Supporting invariants [] [2022-07-23 16:04:54,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:54,503 INFO L293 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2022-07-23 16:04:54,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:54,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-23 16:04:54,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:04:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:54,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 16:04:54,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:04:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 16:04:54,594 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-23 16:04:54,595 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:54,635 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 25 transitions. Complement of second has 6 states. [2022-07-23 16:04:54,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 16:04:54,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:54,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-07-23 16:04:54,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-23 16:04:54,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:54,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-23 16:04:54,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:54,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-23 16:04:54,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:54,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2022-07-23 16:04:54,664 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 16:04:54,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2022-07-23 16:04:54,667 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 16:04:54,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 16:04:54,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 16:04:54,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:04:54,671 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 16:04:54,671 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 16:04:54,671 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 16:04:54,671 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 16:04:54,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 16:04:54,672 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 16:04:54,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 16:04:54,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 04:04:54 BoogieIcfgContainer [2022-07-23 16:04:54,681 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 16:04:54,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 16:04:54,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 16:04:54,683 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 16:04:54,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:04:52" (3/4) ... [2022-07-23 16:04:54,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 16:04:54,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 16:04:54,696 INFO L158 Benchmark]: Toolchain (without parser) took 2676.32ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 52.2MB in the beginning and 74.8MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 16:04:54,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:54,697 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 16:04:54,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.65ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 51.9MB in the beginning and 71.4MB in the end (delta: -19.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-23 16:04:54,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.08ms. Allocated memory is still 100.7MB. Free memory was 71.4MB in the beginning and 69.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 16:04:54,702 INFO L158 Benchmark]: Boogie Preprocessor took 13.45ms. Allocated memory is still 100.7MB. Free memory was 69.7MB in the beginning and 68.7MB in the end (delta: 938.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 16:04:54,702 INFO L158 Benchmark]: RCFGBuilder took 271.02ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 59.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 16:04:54,702 INFO L158 Benchmark]: BuchiAutomizer took 1980.09ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 75.3MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 16:04:54,703 INFO L158 Benchmark]: Witness Printer took 2.93ms. Allocated memory is still 100.7MB. Free memory was 75.3MB in the beginning and 74.8MB in the end (delta: 493.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 16:04:54,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.65ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 51.9MB in the beginning and 71.4MB in the end (delta: -19.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.08ms. Allocated memory is still 100.7MB. Free memory was 71.4MB in the beginning and 69.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.45ms. Allocated memory is still 100.7MB. Free memory was 69.7MB in the beginning and 68.7MB in the end (delta: 938.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 271.02ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 59.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1980.09ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 75.3MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.93ms. Allocated memory is still 100.7MB. Free memory was 75.3MB in the beginning and 74.8MB in the end (delta: 493.0kB). 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 * p + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 12 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital122 mio100 ax114 hnf100 lsp82 ukn96 mio100 lsp59 div155 bol100 ite100 ukn100 eq173 hnf91 smp75 dnf100 smp100 tf100 neg97 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 16:04:54,735 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