./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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_cstrncpy-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 a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 03:21:25,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 03:21:25,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 03:21:25,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 03:21:25,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 03:21:25,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 03:21:25,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 03:21:25,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 03:21:25,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 03:21:25,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 03:21:25,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 03:21:25,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 03:21:25,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 03:21:25,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 03:21:25,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 03:21:25,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 03:21:25,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 03:21:25,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 03:21:25,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 03:21:25,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 03:21:25,178 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 03:21:25,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 03:21:25,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 03:21:25,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 03:21:25,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 03:21:25,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 03:21:25,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 03:21:25,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 03:21:25,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 03:21:25,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 03:21:25,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 03:21:25,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 03:21:25,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 03:21:25,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 03:21:25,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 03:21:25,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 03:21:25,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 03:21:25,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 03:21:25,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 03:21:25,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 03:21:25,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 03:21:25,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 03:21:25,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-13 03:21:25,224 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 03:21:25,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 03:21:25,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 03:21:25,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 03:21:25,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 03:21:25,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 03:21:25,226 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 03:21:25,227 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 03:21:25,227 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 03:21:25,227 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 03:21:25,227 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 03:21:25,228 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 03:21:25,228 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 03:21:25,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 03:21:25,228 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 03:21:25,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 03:21:25,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 03:21:25,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 03:21:25,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 03:21:25,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 03:21:25,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 03:21:25,234 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 03:21:25,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 03:21:25,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 03:21:25,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 03:21:25,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 03:21:25,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 03:21:25,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 03:21:25,236 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 03:21:25,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b [2022-07-13 03:21:25,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 03:21:25,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 03:21:25,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 03:21:25,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 03:21:25,433 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 03:21:25,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2022-07-13 03:21:25,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b1dba973/92f0b88466f4432d8b096974474ba983/FLAG5c26c2ace [2022-07-13 03:21:25,899 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 03:21:25,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2022-07-13 03:21:25,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b1dba973/92f0b88466f4432d8b096974474ba983/FLAG5c26c2ace [2022-07-13 03:21:25,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b1dba973/92f0b88466f4432d8b096974474ba983 [2022-07-13 03:21:25,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 03:21:25,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 03:21:25,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 03:21:25,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 03:21:25,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 03:21:25,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:21:25" (1/1) ... [2022-07-13 03:21:25,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4719a6de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:25, skipping insertion in model container [2022-07-13 03:21:25,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:21:25" (1/1) ... [2022-07-13 03:21:25,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 03:21:26,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 03:21:26,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:21:26,164 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 03:21:26,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:21:26,215 INFO L208 MainTranslator]: Completed translation [2022-07-13 03:21:26,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26 WrapperNode [2022-07-13 03:21:26,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 03:21:26,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 03:21:26,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 03:21:26,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 03:21:26,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (1/1) ... [2022-07-13 03:21:26,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (1/1) ... [2022-07-13 03:21:26,256 INFO L137 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2022-07-13 03:21:26,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 03:21:26,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 03:21:26,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 03:21:26,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 03:21:26,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (1/1) ... [2022-07-13 03:21:26,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (1/1) ... [2022-07-13 03:21:26,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (1/1) ... [2022-07-13 03:21:26,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (1/1) ... [2022-07-13 03:21:26,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (1/1) ... [2022-07-13 03:21:26,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (1/1) ... [2022-07-13 03:21:26,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (1/1) ... [2022-07-13 03:21:26,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 03:21:26,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 03:21:26,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 03:21:26,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 03:21:26,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (1/1) ... [2022-07-13 03:21:26,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:26,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:26,318 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) [2022-07-13 03:21:26,320 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 [2022-07-13 03:21:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 03:21:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 03:21:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 03:21:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 03:21:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 03:21:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 03:21:26,409 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 03:21:26,410 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 03:21:26,520 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 03:21:26,524 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 03:21:26,524 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 03:21:26,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:21:26 BoogieIcfgContainer [2022-07-13 03:21:26,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 03:21:26,526 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 03:21:26,526 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 03:21:26,528 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 03:21:26,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:21:26,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 03:21:25" (1/3) ... [2022-07-13 03:21:26,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49bd45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:21:26, skipping insertion in model container [2022-07-13 03:21:26,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:21:26,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:21:26" (2/3) ... [2022-07-13 03:21:26,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49bd45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:21:26, skipping insertion in model container [2022-07-13 03:21:26,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:21:26,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:21:26" (3/3) ... [2022-07-13 03:21:26,532 INFO L354 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncpy-alloca-1.i [2022-07-13 03:21:26,566 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 03:21:26,566 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 03:21:26,566 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 03:21:26,566 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 03:21:26,566 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 03:21:26,566 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 03:21:26,566 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 03:21:26,567 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 03:21:26,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:21:26,600 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-13 03:21:26,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:21:26,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:21:26,604 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:21:26,604 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:21:26,604 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 03:21:26,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:21:26,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-13 03:21:26,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:21:26,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:21:26,606 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:21:26,606 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:21:26,610 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 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~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 11#L566true assume !(main_~length~0#1 < 1); 12#L566-2true assume !(main_~n~0#1 < 1); 7#L569-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~pre6#1, cstrncpy_#t~pre2#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 16#L550true assume 0 != cstrncpy_~n#1 % 18446744073709551616;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 14#L553-4true [2022-07-13 03:21:26,610 INFO L754 eck$LassoCheckResult]: Loop: 14#L553-4true cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 17#L554true assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 10#L553-1true cstrncpy_#t~pre2#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 8#L553-2true assume !!(0 != cstrncpy_#t~pre2#1 % 18446744073709551616);havoc cstrncpy_#t~pre2#1; 14#L553-4true [2022-07-13 03:21:26,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:21:26,629 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2022-07-13 03:21:26,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:21:26,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58013355] [2022-07-13 03:21:26,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:21:26,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:21:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:26,766 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:21:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:26,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:21:26,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:21:26,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1618712, now seen corresponding path program 1 times [2022-07-13 03:21:26,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:21:26,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993834857] [2022-07-13 03:21:26,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:21:26,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:21:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:26,866 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:21:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:26,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:21:26,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:21:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1592246563, now seen corresponding path program 1 times [2022-07-13 03:21:26,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:21:26,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326912661] [2022-07-13 03:21:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:21:26,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:21:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:26,917 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:21:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:26,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:21:27,666 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:21:27,667 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:21:27,667 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:21:27,667 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:21:27,667 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:21:27,667 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:27,668 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:21:27,668 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:21:27,669 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-1.i_Iteration1_Lasso [2022-07-13 03:21:27,669 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:21:27,669 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:21:27,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:27,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:28,738 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:21:28,741 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:21:28,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:28,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:28,767 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) [2022-07-13 03:21:28,804 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 [2022-07-13 03:21:28,805 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 [2022-07-13 03:21:28,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:28,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:21:28,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:28,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:28,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:28,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:21:28,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:21:28,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:28,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-13 03:21:28,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:28,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:28,862 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) [2022-07-13 03:21:28,863 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 [2022-07-13 03:21:28,864 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 [2022-07-13 03:21:28,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:28,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:21:28,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:28,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:28,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:28,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:21:28,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:21:28,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:28,893 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 [2022-07-13 03:21:28,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:28,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:28,898 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) [2022-07-13 03:21:28,899 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 [2022-07-13 03:21:28,906 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 [2022-07-13 03:21:28,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:28,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:21:28,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:28,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:28,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:28,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:21:28,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:21:28,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:28,938 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 [2022-07-13 03:21:28,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:28,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:28,940 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) [2022-07-13 03:21:28,942 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 [2022-07-13 03:21:28,942 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 [2022-07-13 03:21:28,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:28,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:28,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:28,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:28,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:21:28,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:21:28,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:28,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:28,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:28,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:28,988 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) [2022-07-13 03:21:28,988 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 [2022-07-13 03:21:28,990 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 [2022-07-13 03:21:28,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:28,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:21:28,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:28,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:28,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:28,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:21:28,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:21:28,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:29,013 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 [2022-07-13 03:21:29,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:29,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:29,015 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) [2022-07-13 03:21:29,016 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 [2022-07-13 03:21:29,018 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 [2022-07-13 03:21:29,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:29,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:29,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:29,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:29,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:21:29,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:21:29,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:29,044 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 [2022-07-13 03:21:29,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:29,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:29,046 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) [2022-07-13 03:21:29,047 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 [2022-07-13 03:21:29,049 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 [2022-07-13 03:21:29,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:29,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:21:29,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:29,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:29,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:29,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:21:29,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:21:29,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:29,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:29,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:29,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:29,111 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) [2022-07-13 03:21:29,111 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 [2022-07-13 03:21:29,113 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 [2022-07-13 03:21:29,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:29,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:21:29,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:29,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:29,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:29,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:21:29,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:21:29,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:29,136 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 [2022-07-13 03:21:29,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:29,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:29,138 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) [2022-07-13 03:21:29,139 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 [2022-07-13 03:21:29,141 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 [2022-07-13 03:21:29,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:29,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:21:29,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:29,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:29,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:29,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:21:29,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:21:29,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:29,165 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 [2022-07-13 03:21:29,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:29,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:29,166 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:29,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-13 03:21:29,169 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 [2022-07-13 03:21:29,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:29,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:21:29,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:29,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:29,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:29,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:21:29,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:21:29,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:29,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-13 03:21:29,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:29,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:29,198 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:29,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-13 03:21:29,209 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 [2022-07-13 03:21:29,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:29,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:29,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:29,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:29,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:21:29,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:21:29,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:29,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-07-13 03:21:29,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:29,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:29,257 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:29,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-13 03:21:29,260 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 [2022-07-13 03:21:29,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:29,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:29,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:29,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:29,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:21:29,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:21:29,331 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:21:29,360 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-13 03:21:29,361 INFO L444 ModelExtractionUtils]: 34 out of 46 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-07-13 03:21:29,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:29,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:29,384 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:29,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-13 03:21:29,416 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:21:29,436 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 03:21:29,437 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:21:29,437 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_1, ULTIMATE.start_cstrncpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_1 - 1*ULTIMATE.start_cstrncpy_~s~0#1.offset Supporting invariants [] [2022-07-13 03:21:29,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:29,497 INFO L293 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2022-07-13 03:21:29,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:21:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:21:29,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 33 conjunts are in the unsatisfiable core [2022-07-13 03:21:29,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:21:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:21:29,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-13 03:21:29,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:21:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:21:29,684 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-13 03:21:29,685 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:21:29,741 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 48 transitions. Complement of second has 7 states. [2022-07-13 03:21:29,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-13 03:21:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:21:29,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2022-07-13 03:21:29,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2022-07-13 03:21:29,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:21:29,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 10 letters. Loop has 4 letters. [2022-07-13 03:21:29,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:21:29,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 8 letters. [2022-07-13 03:21:29,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:21:29,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2022-07-13 03:21:29,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:21:29,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 18 transitions. [2022-07-13 03:21:29,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-13 03:21:29,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-13 03:21:29,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2022-07-13 03:21:29,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:21:29,763 INFO L369 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-07-13 03:21:29,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2022-07-13 03:21:29,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2022-07-13 03:21:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:21:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-07-13 03:21:29,778 INFO L392 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-13 03:21:29,778 INFO L374 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-13 03:21:29,778 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 03:21:29,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2022-07-13 03:21:29,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:21:29,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:21:29,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:21:29,779 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 03:21:29,779 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:21:29,779 INFO L752 eck$LassoCheckResult]: Stem: 171#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 172#L-1 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~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 181#L566 assume !(main_~length~0#1 < 1); 179#L566-2 assume !(main_~n~0#1 < 1); 175#L569-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~pre6#1, cstrncpy_#t~pre2#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 176#L550 assume 0 != cstrncpy_~n#1 % 18446744073709551616;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 182#L553-4 cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 183#L554 assume 0 == cstrncpy_#t~mem5#1;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 173#L555-3 [2022-07-13 03:21:29,779 INFO L754 eck$LassoCheckResult]: Loop: 173#L555-3 cstrncpy_#t~pre6#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 174#L555-1 assume !!(0 != cstrncpy_#t~pre6#1 % 18446744073709551616);havoc cstrncpy_#t~pre6#1;cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post7#1.base, 1 + cstrncpy_#t~post7#1.offset;call write~int(0, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, 1);havoc cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset; 173#L555-3 [2022-07-13 03:21:29,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:21:29,780 INFO L85 PathProgramCache]: Analyzing trace with hash 180427599, now seen corresponding path program 1 times [2022-07-13 03:21:29,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:21:29,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988776331] [2022-07-13 03:21:29,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:21:29,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:21:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:29,795 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:21:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:29,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:21:29,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:21:29,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2022-07-13 03:21:29,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:21:29,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484390088] [2022-07-13 03:21:29,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:21:29,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:21:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:29,843 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:21:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:29,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:21:29,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:21:29,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1592231764, now seen corresponding path program 1 times [2022-07-13 03:21:29,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:21:29,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840618850] [2022-07-13 03:21:29,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:21:29,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:21:29,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:29,876 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:21:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:21:29,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:21:30,571 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:21:30,571 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:21:30,571 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:21:30,571 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:21:30,571 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:21:30,571 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:30,571 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:21:30,571 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:21:30,571 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-1.i_Iteration2_Lasso [2022-07-13 03:21:30,571 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:21:30,571 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:21:30,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:30,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:21:31,523 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:21:31,523 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:21:31,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:31,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:31,525 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:31,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-13 03:21:31,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:21:31,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:31,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:21:31,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:31,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:31,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:31,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:21:31,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:21:31,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:31,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:31,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:31,553 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:31,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-13 03:21:31,586 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 [2022-07-13 03:21:31,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:31,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:31,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:31,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:31,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:21:31,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:21:31,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:31,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:31,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:31,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:31,641 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:31,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-13 03:21:31,659 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 [2022-07-13 03:21:31,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:31,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:21:31,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:31,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:31,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:31,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:21:31,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:21:31,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:31,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-07-13 03:21:31,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:31,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:31,737 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:31,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-13 03:21:31,740 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 [2022-07-13 03:21:31,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:31,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:31,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:31,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:31,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:21:31,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:21:31,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:31,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:31,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:31,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:31,778 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:31,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-13 03:21:31,780 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 [2022-07-13 03:21:31,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:31,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:31,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:31,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:31,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:21:31,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:21:31,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:31,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:31,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:31,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:31,827 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:31,833 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 [2022-07-13 03:21:31,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:31,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:31,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:31,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:31,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:21:31,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:21:31,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-13 03:21:31,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:21:31,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:31,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:31,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:31,886 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:31,889 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 [2022-07-13 03:21:31,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:21:31,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:21:31,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:21:31,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:21:31,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:21:31,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:21:31,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-13 03:21:31,926 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:21:31,962 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2022-07-13 03:21:31,963 INFO L444 ModelExtractionUtils]: 15 out of 61 variables were initially zero. Simplification set additionally 43 variables to zero. [2022-07-13 03:21:31,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:21:31,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:21:31,964 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:21:31,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-13 03:21:31,967 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:21:31,988 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 03:21:31,988 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:21:31,988 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_2, ULTIMATE.start_cstrncpy_~d~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_2 - 1*ULTIMATE.start_cstrncpy_~d~0#1.offset Supporting invariants [] [2022-07-13 03:21:32,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:32,039 INFO L293 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2022-07-13 03:21:32,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:21:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:21:32,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-13 03:21:32,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:21:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:21:32,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 03:21:32,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:21:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:21:32,093 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2022-07-13 03:21:32,093 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:21:32,128 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 19 transitions. Complement of second has 6 states. [2022-07-13 03:21:32,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-13 03:21:32,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:21:32,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2022-07-13 03:21:32,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-13 03:21:32,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:21:32,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-13 03:21:32,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:21:32,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 8 letters. Loop has 4 letters. [2022-07-13 03:21:32,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:21:32,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-07-13 03:21:32,131 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:21:32,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2022-07-13 03:21:32,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-13 03:21:32,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-13 03:21:32,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-13 03:21:32,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:21:32,132 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:21:32,132 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:21:32,132 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:21:32,132 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 03:21:32,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-13 03:21:32,132 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:21:32,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-13 03:21:32,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 03:21:32 BoogieIcfgContainer [2022-07-13 03:21:32,137 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 03:21:32,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 03:21:32,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 03:21:32,138 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 03:21:32,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:21:26" (3/4) ... [2022-07-13 03:21:32,140 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 03:21:32,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 03:21:32,140 INFO L158 Benchmark]: Toolchain (without parser) took 6208.31ms. Allocated memory was 94.4MB in the beginning and 155.2MB in the end (delta: 60.8MB). Free memory was 69.4MB in the beginning and 57.6MB in the end (delta: 11.8MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2022-07-13 03:21:32,141 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 53.1MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:21:32,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.92ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 59.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 03:21:32,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.79ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 57.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:21:32,142 INFO L158 Benchmark]: Boogie Preprocessor took 29.65ms. Allocated memory is still 94.4MB. Free memory was 57.8MB in the beginning and 56.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:21:32,142 INFO L158 Benchmark]: RCFGBuilder took 236.48ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 68.3MB in the end (delta: -11.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-07-13 03:21:32,142 INFO L158 Benchmark]: BuchiAutomizer took 5611.39ms. Allocated memory was 94.4MB in the beginning and 155.2MB in the end (delta: 60.8MB). Free memory was 68.3MB in the beginning and 58.6MB in the end (delta: 9.7MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2022-07-13 03:21:32,143 INFO L158 Benchmark]: Witness Printer took 2.37ms. Allocated memory is still 155.2MB. Free memory was 58.6MB in the beginning and 57.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:21:32,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 53.1MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.92ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 59.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.79ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 57.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.65ms. Allocated memory is still 94.4MB. Free memory was 57.8MB in the beginning and 56.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 236.48ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 68.3MB in the end (delta: -11.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 5611.39ms. Allocated memory was 94.4MB in the beginning and 155.2MB in the end (delta: 60.8MB). Free memory was 68.3MB in the beginning and 58.6MB in the end (delta: 9.7MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Witness Printer took 2.37ms. Allocated memory is still 155.2MB. Free memory was 58.6MB in the beginning and 57.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 30 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital233 mio100 ax107 hnf100 lsp90 ukn86 mio100 lsp51 div175 bol100 ite100 ukn100 eq176 hnf91 smp70 dnf100 smp100 tf100 neg99 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! [2022-07-13 03:21:32,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-13 03:21:32,383 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