./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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/cstrcat_reverse_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 f7e74a0e03b60f29f7d157510f3d5b3a3ebad4fa8c21c80c2e088ad68134a4dc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:04:56,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:04:56,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:04:56,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:04:56,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:04:56,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:04:56,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:04:56,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:04:56,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:04:56,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:04:56,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:04:56,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:04:56,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:04:56,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:04:56,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:04:56,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:04:56,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:04:56,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:04:56,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:04:56,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:04:56,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:04:56,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:04:56,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:04:56,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:04:56,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:04:56,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:04:56,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:04:56,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:04:56,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:04:56,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:04:56,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:04:56,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:04:56,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:04:56,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:04:56,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:04:56,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:04:56,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:04:56,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:04:56,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:04:56,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:04:56,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:04:56,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-21 22:04:56,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:04:56,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:04:56,165 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:04:56,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:04:56,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:04:56,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:04:56,166 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:04:56,166 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:04:56,167 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:04:56,167 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:04:56,167 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:04:56,167 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:04:56,167 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:04:56,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:04:56,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:04:56,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:04:56,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:04:56,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:04:56,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:04:56,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:04:56,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:04:56,168 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:04:56,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:04:56,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:04:56,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:04:56,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:04:56,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:04:56,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:04:56,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:04:56,170 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:04:56,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7e74a0e03b60f29f7d157510f3d5b3a3ebad4fa8c21c80c2e088ad68134a4dc [2021-12-21 22:04:56,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:04:56,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:04:56,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:04:56,317 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:04:56,317 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:04:56,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i [2021-12-21 22:04:56,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e22e71e0/73b58c65b01c40348d3c29026eda39ba/FLAG50a44612e [2021-12-21 22:04:56,710 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:04:56,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i [2021-12-21 22:04:56,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e22e71e0/73b58c65b01c40348d3c29026eda39ba/FLAG50a44612e [2021-12-21 22:04:57,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e22e71e0/73b58c65b01c40348d3c29026eda39ba [2021-12-21 22:04:57,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:04:57,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:04:57,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:04:57,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:04:57,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:04:57,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6550d26f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57, skipping insertion in model container [2021-12-21 22:04:57,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:04:57,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:04:57,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:04:57,372 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:04:57,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:04:57,443 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:04:57,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57 WrapperNode [2021-12-21 22:04:57,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:04:57,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:04:57,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:04:57,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:04:57,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,488 INFO L137 Inliner]: procedures = 152, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-12-21 22:04:57,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:04:57,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:04:57,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:04:57,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:04:57,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:04:57,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:04:57,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:04:57,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:04:57,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (1/1) ... [2021-12-21 22:04:57,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:57,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:57,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:57,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-21 22:04:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 22:04:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 22:04:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 22:04:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 22:04:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:04:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:04:57,639 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:04:57,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:04:57,762 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:04:57,766 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:04:57,769 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 22:04:57,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:04:57 BoogieIcfgContainer [2021-12-21 22:04:57,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:04:57,772 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:04:57,772 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:04:57,774 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:04:57,775 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:04:57,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:04:57" (1/3) ... [2021-12-21 22:04:57,776 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3af42b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:04:57, skipping insertion in model container [2021-12-21 22:04:57,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:04:57,776 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:57" (2/3) ... [2021-12-21 22:04:57,776 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3af42b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:04:57, skipping insertion in model container [2021-12-21 22:04:57,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:04:57,776 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:04:57" (3/3) ... [2021-12-21 22:04:57,777 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrcat_reverse_alloca.i [2021-12-21 22:04:57,835 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:04:57,835 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:04:57,835 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:04:57,835 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:04:57,835 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:04:57,835 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:04:57,835 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:04:57,835 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:04:57,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:57,862 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-21 22:04:57,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:04:57,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:04:57,867 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:04:57,867 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 22:04:57,867 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:04:57,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:57,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-21 22:04:57,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:04:57,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:04:57,870 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:04:57,870 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 22:04:57,875 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet210#1, main_#t~nondet211#1, main_#t~nondet212#1, main_#t~malloc213#1.base, main_#t~malloc213#1.offset, main_#t~malloc214#1.base, main_#t~malloc214#1.offset, main_#t~ret215#1.base, main_#t~ret215#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet210#1;havoc main_#t~nondet210#1;main_~length2~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1;main_~length3~0#1 := main_#t~nondet212#1;havoc main_#t~nondet212#1; 12#L377true assume !(main_~length1~0#1 < 1); 15#L377-2true assume !(main_~length2~0#1 < 2); 8#L380-1true assume !(main_~length3~0#1 < 1); 11#L383-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc213#1.base, main_#t~malloc213#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc213#1.base, main_#t~malloc213#1.offset;call main_#t~malloc214#1.base, main_#t~malloc214#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc214#1.base, main_#t~malloc214#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - main_~length3~0#1), 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset, cstrcat_#t~mem205#1, cstrcat_#t~post207#1.base, cstrcat_#t~post207#1.offset, cstrcat_#t~post208#1.base, cstrcat_#t~post208#1.offset, cstrcat_#t~mem209#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 3#L367-3true [2021-12-21 22:04:57,876 INFO L793 eck$LassoCheckResult]: Loop: 3#L367-3true call cstrcat_#t~mem205#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 16#L367-1true assume !!(0 != cstrcat_#t~mem205#1);havoc cstrcat_#t~mem205#1;cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset - 1;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset; 3#L367-3true [2021-12-21 22:04:57,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:57,887 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2021-12-21 22:04:57,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:57,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024021739] [2021-12-21 22:04:57,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:57,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:57,991 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:58,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:58,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:58,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-12-21 22:04:58,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:58,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665319027] [2021-12-21 22:04:58,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:58,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:58,053 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:58,056 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:58,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:58,057 INFO L85 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2021-12-21 22:04:58,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:58,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613174395] [2021-12-21 22:04:58,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:58,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:58,101 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:58,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:58,688 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:04:58,690 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:04:58,690 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:04:58,690 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:04:58,690 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:04:58,690 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:58,690 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:04:58,690 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:04:58,690 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat_reverse_alloca.i_Iteration1_Lasso [2021-12-21 22:04:58,691 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:04:58,691 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:04:58,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:58,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:58,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:58,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:58,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:59,357 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:04:59,360 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:04:59,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:59,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:59,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:59,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-21 22:04:59,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:59,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:59,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:59,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:59,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:59,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:59,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:59,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:59,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:59,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:59,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:59,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:59,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:59,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-21 22:04:59,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:59,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:59,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:59,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:59,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:59,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:59,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:59,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:59,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:59,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:59,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:59,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:59,474 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:59,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-21 22:04:59,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:59,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:59,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:59,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:59,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:59,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:59,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:59,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:59,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:59,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-21 22:04:59,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:59,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:59,501 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:59,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-21 22:04:59,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:59,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:59,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:59,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:59,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:59,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:59,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:59,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:59,568 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 [2021-12-21 22:04:59,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:59,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:59,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:59,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-21 22:04:59,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:59,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:59,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:59,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:59,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:59,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:59,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:59,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:59,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:59,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:59,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:59,644 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:59,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-21 22:04:59,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:59,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:59,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:59,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:59,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:59,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:59,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:59,707 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:04:59,761 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-21 22:04:59,761 INFO L444 ModelExtractionUtils]: 35 out of 52 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-12-21 22:04:59,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:59,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:59,764 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:59,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-21 22:04:59,766 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:04:59,787 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-21 22:04:59,788 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:04:59,788 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_cstrcat_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 + 2*ULTIMATE.start_cstrcat_~s~0#1.offset Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc213#1.base)_1 - 1 >= 0] [2021-12-21 22:04:59,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:59,828 INFO L297 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2021-12-21 22:04:59,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:59,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 22:04:59,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:04:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:59,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 22:04:59,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:04:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:04:59,961 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 [2021-12-21 22:04:59,962 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:05:00,046 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 8 states. [2021-12-21 22:05:00,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-21 22:05:00,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:05:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-12-21 22:05:00,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-21 22:05:00,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:00,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-21 22:05:00,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:00,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-21 22:05:00,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:00,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2021-12-21 22:05:00,056 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:05:00,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2021-12-21 22:05:00,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-21 22:05:00,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-21 22:05:00,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-21 22:05:00,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:05:00,060 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:05:00,060 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:05:00,060 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:05:00,060 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:05:00,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-21 22:05:00,060 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:05:00,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-21 22:05:00,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:05:00 BoogieIcfgContainer [2021-12-21 22:05:00,066 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:05:00,066 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:05:00,066 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:05:00,067 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:05:00,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:04:57" (3/4) ... [2021-12-21 22:05:00,069 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 22:05:00,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:05:00,070 INFO L158 Benchmark]: Toolchain (without parser) took 2954.45ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 66.8MB in the beginning and 58.7MB in the end (delta: 8.1MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2021-12-21 22:05:00,070 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory was 54.6MB in the beginning and 54.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:05:00,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.12ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 66.6MB in the beginning and 87.5MB in the end (delta: -20.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:05:00,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.65ms. Allocated memory is still 119.5MB. Free memory was 87.5MB in the beginning and 85.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:05:00,076 INFO L158 Benchmark]: Boogie Preprocessor took 32.64ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:05:00,077 INFO L158 Benchmark]: RCFGBuilder took 248.55ms. Allocated memory is still 119.5MB. Free memory was 84.3MB in the beginning and 73.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 22:05:00,077 INFO L158 Benchmark]: BuchiAutomizer took 2294.14ms. Allocated memory is still 119.5MB. Free memory was 72.8MB in the beginning and 58.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-12-21 22:05:00,077 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 119.5MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:05:00,079 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 96.5MB. Free memory was 54.6MB in the beginning and 54.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.12ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 66.6MB in the beginning and 87.5MB in the end (delta: -20.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.65ms. Allocated memory is still 119.5MB. Free memory was 87.5MB in the beginning and 85.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.64ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.55ms. Allocated memory is still 119.5MB. Free memory was 84.3MB in the beginning and 73.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2294.14ms. Allocated memory is still 119.5MB. Free memory was 72.8MB in the beginning and 58.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 119.5MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * s + unknown-#length-unknown[nondetString1] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 16 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital189 mio100 ax100 hnf100 lsp96 ukn85 mio100 lsp53 div100 bol100 ite100 ukn100 eq192 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-21 22:05:00,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:00,329 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