./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.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 4401d2928f3fda81d6bafd7bed67698eedceeb36 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:32:07,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:32:07,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:32:07,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:32:07,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:32:07,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:32:07,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:32:07,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:32:07,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:32:07,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:32:07,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:32:07,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:32:07,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:32:07,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:32:07,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:32:07,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:32:07,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:32:07,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:32:07,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:32:07,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:32:07,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:32:07,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:32:07,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:32:07,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:32:07,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:32:07,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:32:07,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:32:07,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:32:07,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:32:07,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:32:07,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:32:07,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:32:07,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:32:07,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:32:07,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:32:07,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:32:07,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:32:07,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:32:07,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:32:07,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:32:07,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:32:07,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:32:07,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:32:07,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:32:07,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:32:07,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:32:07,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:32:07,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:32:07,412 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:32:07,412 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:32:07,412 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:32:07,412 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:32:07,412 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:32:07,413 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:32:07,413 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:32:07,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:32:07,413 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:32:07,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:32:07,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:32:07,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:32:07,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:32:07,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:32:07,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:32:07,414 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:32:07,414 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:32:07,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:32:07,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:32:07,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:32:07,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:32:07,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:32:07,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:32:07,415 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:32:07,415 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4401d2928f3fda81d6bafd7bed67698eedceeb36 [2021-08-27 14:32:07,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:32:07,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:32:07,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:32:07,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:32:07,698 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:32:07,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2021-08-27 14:32:07,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c34fb948/dcc2b0dafc4b4a81af102988354a6ab6/FLAGe8cacae0a [2021-08-27 14:32:08,185 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:32:08,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2021-08-27 14:32:08,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c34fb948/dcc2b0dafc4b4a81af102988354a6ab6/FLAGe8cacae0a [2021-08-27 14:32:08,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c34fb948/dcc2b0dafc4b4a81af102988354a6ab6 [2021-08-27 14:32:08,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:32:08,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:32:08,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:32:08,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:32:08,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:32:08,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465c79a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08, skipping insertion in model container [2021-08-27 14:32:08,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:32:08,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:32:08,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:32:08,456 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:32:08,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:32:08,513 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:32:08,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08 WrapperNode [2021-08-27 14:32:08,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:32:08,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:32:08,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:32:08,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:32:08,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:32:08,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:32:08,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:32:08,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:32:08,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:32:08,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:32:08,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:32:08,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:32:08,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (1/1) ... [2021-08-27 14:32:08,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:08,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:08,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:08,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 14:32:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 14:32:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 14:32:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 14:32:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 14:32:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:32:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:32:08,875 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:32:08,875 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-27 14:32:08,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:32:08 BoogieIcfgContainer [2021-08-27 14:32:08,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:32:08,877 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:32:08,877 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:32:08,879 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:32:08,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:32:08,879 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:32:08" (1/3) ... [2021-08-27 14:32:08,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66425545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:32:08, skipping insertion in model container [2021-08-27 14:32:08,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:32:08,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:32:08" (2/3) ... [2021-08-27 14:32:08,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66425545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:32:08, skipping insertion in model container [2021-08-27 14:32:08,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:32:08,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:32:08" (3/3) ... [2021-08-27 14:32:08,881 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcpy_mixed_alloca.i [2021-08-27 14:32:08,939 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:32:08,939 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:32:08,939 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:32:08,939 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:32:08,940 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:32:08,940 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:32:08,940 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:32:08,940 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:32:08,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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) [2021-08-27 14:32:08,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:32:08,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:32:08,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:32:08,968 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 14:32:08,968 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 14:32:08,968 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:32:08,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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) [2021-08-27 14:32:08,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:32:08,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:32:08,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:32:08,971 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 14:32:08,971 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 14:32:08,975 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 8#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 7#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~length1~0 - 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 12#L368-3true [2021-08-27 14:32:08,975 INFO L793 eck$LassoCheckResult]: Loop: 12#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset - 1;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 9#L368-1true assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207; 12#L368-3true [2021-08-27 14:32:08,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:32:08,982 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-08-27 14:32:08,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:32:08,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426962749] [2021-08-27 14:32:08,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:32:08,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:32:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:32:09,064 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:32:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:32:09,097 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:32:09,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:32:09,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2021-08-27 14:32:09,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:32:09,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421697757] [2021-08-27 14:32:09,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:32:09,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:32:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:32:09,106 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:32:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:32:09,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:32:09,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:32:09,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2021-08-27 14:32:09,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:32:09,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421887138] [2021-08-27 14:32:09,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:32:09,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:32:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:32:09,137 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:32:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:32:09,158 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:32:10,015 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:32:10,016 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:32:10,016 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:32:10,016 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:32:10,016 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:32:10,016 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:10,016 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:32:10,016 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:32:10,016 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_mixed_alloca.i_Iteration1_Lasso [2021-08-27 14:32:10,017 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:32:10,017 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:32:10,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:32:10,784 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:32:10,786 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:32:10,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:10,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:10,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:10,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 14:32:10,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:10,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:10,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:32:10,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:10,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:10,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:10,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:32:10,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:32:10,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:10,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:10,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:10,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:10,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:10,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 14:32:10,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:10,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:10,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:32:10,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:10,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:10,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:10,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:32:10,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:32:10,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:10,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:10,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:10,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:10,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:10,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:10,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:10,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:10,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:10,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:10,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:32:10,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:32:10,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 14:32:10,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:10,919 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 [2021-08-27 14:32:10,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:10,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:10,920 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:10,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 14:32:10,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:10,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:10,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:32:10,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:10,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:10,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:10,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:32:10,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:32:10,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:10,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:10,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:10,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:10,964 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:10,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 14:32:10,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:10,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:10,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:32:10,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:10,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:10,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:10,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:32:10,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:32:10,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,007 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 14:32:11,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:11,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:32:11,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:32:11,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,051 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 14:32:11,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:32:11,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:11,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:32:11,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:32:11,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,114 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 14:32:11,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:32:11,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:11,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:32:11,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:32:11,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,157 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 14:32:11,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:32:11,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:11,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:32:11,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:32:11,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,199 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:32:11,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:11,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:32:11,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:32:11,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 14:32:11,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,242 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 14:32:11,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:11,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:32:11,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:32:11,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,290 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 14:32:11,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:11,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:32:11,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:32:11,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-08-27 14:32:11,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,335 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 14:32:11,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:11,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:32:11,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:32:11,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,377 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 14:32:11,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:32:11,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:11,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:32:11,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:32:11,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,419 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 14:32:11,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:32:11,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,428 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 14:32:11,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,429 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:32:11,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:32:11,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:32:11,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,449 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 14:32:11,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:32:11,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:32:11,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:32:11,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:32:11,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:32:11,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:32:11,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:32:11,496 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:32:11,536 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-08-27 14:32:11,536 INFO L444 ModelExtractionUtils]: 15 out of 52 variables were initially zero. Simplification set additionally 34 variables to zero. [2021-08-27 14:32:11,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:32:11,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:32:11,593 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:32:11,634 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:32:11,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 14:32:11,651 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:32:11,651 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:32:11,651 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~src~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc211.base)_1) = -1*ULTIMATE.start_cstrcpy_~src~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc211.base)_1 Supporting invariants [] [2021-08-27 14:32:11,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,700 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-08-27 14:32:11,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 14:32:11,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:32:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:32:11,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 14:32:11,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:32:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:32:11,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 14:32:11,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:32:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:32:11,871 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 14:32:11,872 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:32:11,911 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 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). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 27 transitions. Complement of second has 6 states. [2021-08-27 14:32:11,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:32:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:32:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-08-27 14:32:11,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2021-08-27 14:32:11,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:32:11,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-27 14:32:11,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:32:11,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2021-08-27 14:32:11,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:32:11,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2021-08-27 14:32:11,919 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:32:11,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-08-27 14:32:11,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 14:32:11,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 14:32:11,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 14:32:11,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:32:11,921 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:32:11,921 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:32:11,921 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:32:11,921 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:32:11,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 14:32:11,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:32:11,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 14:32:11,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:32:11 BoogieIcfgContainer [2021-08-27 14:32:11,926 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:32:11,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:32:11,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:32:11,926 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:32:11,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:32:08" (3/4) ... [2021-08-27 14:32:11,929 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 14:32:11,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:32:11,931 INFO L168 Benchmark]: Toolchain (without parser) took 3727.60 ms. Allocated memory was 54.5 MB in the beginning and 111.1 MB in the end (delta: 56.6 MB). Free memory was 31.5 MB in the beginning and 63.5 MB in the end (delta: -32.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-08-27 14:32:11,933 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:32:11,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.21 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 30.5 MB in the end (delta: 901.6 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 14:32:11,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.45 ms. Allocated memory is still 54.5 MB. Free memory was 30.5 MB in the beginning and 28.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:32:11,936 INFO L168 Benchmark]: Boogie Preprocessor took 24.37 ms. Allocated memory is still 54.5 MB. Free memory was 28.7 MB in the beginning and 27.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:32:11,937 INFO L168 Benchmark]: RCFGBuilder took 301.65 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 41.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-08-27 14:32:11,939 INFO L168 Benchmark]: BuchiAutomizer took 3049.01 ms. Allocated memory was 67.1 MB in the beginning and 111.1 MB in the end (delta: 44.0 MB). Free memory was 41.0 MB in the beginning and 64.3 MB in the end (delta: -23.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-08-27 14:32:11,939 INFO L168 Benchmark]: Witness Printer took 2.43 ms. Allocated memory is still 111.1 MB. Free memory was 64.3 MB in the beginning and 63.5 MB in the end (delta: 835.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:32:11,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 311.21 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 30.5 MB in the end (delta: 901.6 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.45 ms. Allocated memory is still 54.5 MB. Free memory was 30.5 MB in the beginning and 28.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.37 ms. Allocated memory is still 54.5 MB. Free memory was 28.7 MB in the beginning and 27.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 301.65 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 41.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3049.01 ms. Allocated memory was 67.1 MB in the beginning and 111.1 MB in the end (delta: 44.0 MB). Free memory was 41.0 MB in the beginning and 64.3 MB in the end (delta: -23.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Witness Printer took 2.43 ms. Allocated memory is still 111.1 MB. Free memory was 64.3 MB in the beginning and 63.5 MB in the end (delta: 835.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * src + unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax100 hnf100 lsp97 ukn89 mio100 lsp50 div100 bol100 ite100 ukn100 eq193 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 14:32:11,982 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...