./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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/ldv-memsafety/memleaks_test16_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:41:38,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:41:38,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:41:38,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:41:38,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:41:38,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:41:38,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:41:38,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:41:38,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:41:38,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:41:38,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:41:38,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:41:38,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:41:38,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:41:38,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:41:38,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:41:38,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:41:38,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:41:38,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:41:38,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:41:38,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:41:38,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:41:38,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:41:38,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:41:38,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:41:38,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:41:38,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:41:38,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:41:38,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:41:38,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:41:38,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:41:38,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:41:38,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:41:38,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:41:38,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:41:38,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:41:38,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:41:38,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:41:38,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:41:38,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:41:38,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:41:38,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:41:38,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:41:38,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:41:38,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:41:38,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:41:38,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:41:38,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:41:38,506 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:41:38,507 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:41:38,507 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:41:38,507 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:41:38,508 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:41:38,508 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:41:38,508 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:41:38,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:41:38,509 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:41:38,509 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:41:38,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:41:38,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:41:38,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:41:38,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:41:38,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:41:38,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:41:38,510 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:41:38,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:41:38,511 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:41:38,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:41:38,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:41:38,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:41:38,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:41:38,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:41:38,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:41:38,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:41:38,513 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:41:38,513 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2021-12-22 20:41:38,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:41:38,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:41:38,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:41:38,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:41:38,779 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:41:38,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-12-22 20:41:38,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301888aee/c4ae7b5b63904857bca7f221f915fafe/FLAGd10cc0245 [2021-12-22 20:41:39,262 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:41:39,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-12-22 20:41:39,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301888aee/c4ae7b5b63904857bca7f221f915fafe/FLAGd10cc0245 [2021-12-22 20:41:39,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301888aee/c4ae7b5b63904857bca7f221f915fafe [2021-12-22 20:41:39,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:41:39,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:41:39,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:41:39,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:41:39,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:41:39,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:41:39" (1/1) ... [2021-12-22 20:41:39,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b483ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:39, skipping insertion in model container [2021-12-22 20:41:39,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:41:39" (1/1) ... [2021-12-22 20:41:39,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:41:39,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:41:40,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:41:40,098 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:41:40,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:41:40,205 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:41:40,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40 WrapperNode [2021-12-22 20:41:40,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:41:40,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:41:40,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:41:40,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:41:40,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (1/1) ... [2021-12-22 20:41:40,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (1/1) ... [2021-12-22 20:41:40,269 INFO L137 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 29, calls inlined = 6, statements flattened = 36 [2021-12-22 20:41:40,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:41:40,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:41:40,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:41:40,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:41:40,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (1/1) ... [2021-12-22 20:41:40,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (1/1) ... [2021-12-22 20:41:40,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (1/1) ... [2021-12-22 20:41:40,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (1/1) ... [2021-12-22 20:41:40,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (1/1) ... [2021-12-22 20:41:40,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (1/1) ... [2021-12-22 20:41:40,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (1/1) ... [2021-12-22 20:41:40,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:41:40,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:41:40,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:41:40,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:41:40,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (1/1) ... [2021-12-22 20:41:40,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:41:40,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:41:40,339 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) [2021-12-22 20:41:40,361 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 [2021-12-22 20:41:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 20:41:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:41:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 20:41:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 20:41:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:41:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:41:40,444 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:41:40,445 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:41:40,526 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:41:40,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:41:40,531 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 20:41:40,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:41:40 BoogieIcfgContainer [2021-12-22 20:41:40,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:41:40,533 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:41:40,533 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:41:40,536 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:41:40,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:41:40,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:41:39" (1/3) ... [2021-12-22 20:41:40,537 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@287b55c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:41:40, skipping insertion in model container [2021-12-22 20:41:40,537 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:41:40,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:41:40" (2/3) ... [2021-12-22 20:41:40,538 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@287b55c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:41:40, skipping insertion in model container [2021-12-22 20:41:40,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:41:40,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:41:40" (3/3) ... [2021-12-22 20:41:40,539 INFO L388 chiAutomizerObserver]: Analyzing ICFG memleaks_test16_1.i [2021-12-22 20:41:40,572 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:41:40,572 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:41:40,572 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:41:40,573 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:41:40,573 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:41:40,573 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:41:40,573 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:41:40,573 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:41:40,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2021-12-22 20:41:40,614 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:41:40,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-22 20:41:40,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:41:40 BoogieIcfgContainer [2021-12-22 20:41:40,622 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:41:40,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:41:40,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:41:40,623 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:41:40,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:41:40" (3/4) ... [2021-12-22 20:41:40,626 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 20:41:40,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:41:40,627 INFO L158 Benchmark]: Toolchain (without parser) took 994.74ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 55.8MB in the beginning and 54.1MB in the end (delta: 1.7MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-12-22 20:41:40,628 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:41:40,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.44ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 55.6MB in the beginning and 72.5MB in the end (delta: -16.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 20:41:40,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.65ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 70.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:41:40,630 INFO L158 Benchmark]: Boogie Preprocessor took 35.10ms. Allocated memory is still 107.0MB. Free memory was 70.4MB in the beginning and 69.4MB in the end (delta: 969.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:41:40,630 INFO L158 Benchmark]: RCFGBuilder took 226.64ms. Allocated memory is still 107.0MB. Free memory was 68.8MB in the beginning and 59.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 20:41:40,631 INFO L158 Benchmark]: BuchiAutomizer took 88.48ms. Allocated memory is still 107.0MB. Free memory was 59.5MB in the beginning and 54.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-22 20:41:40,631 INFO L158 Benchmark]: Witness Printer took 3.46ms. Allocated memory is still 107.0MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:41:40,634 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.44ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 55.6MB in the beginning and 72.5MB in the end (delta: -16.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.65ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 70.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.10ms. Allocated memory is still 107.0MB. Free memory was 70.4MB in the beginning and 69.4MB in the end (delta: 969.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 226.64ms. Allocated memory is still 107.0MB. Free memory was 68.8MB in the beginning and 59.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 88.48ms. Allocated memory is still 107.0MB. Free memory was 59.5MB in the beginning and 54.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 3.46ms. Allocated memory is still 107.0MB. Free memory is still 54.1MB. 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 Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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! [2021-12-22 20:41:40,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE