./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47b0bc17 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-recursive-malloc/rec_malloc_ex3.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 a96be28be4b50f026536d78db5ba85eeb0ae4413 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:52:38,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:52:38,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:52:38,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:52:38,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:52:38,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:52:38,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:52:38,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:52:38,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:52:38,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:52:38,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:52:38,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:52:38,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:52:38,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:52:38,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:52:38,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:52:38,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:52:38,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:52:38,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:52:38,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:52:38,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:52:38,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:52:38,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:52:38,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:52:38,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:52:38,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:52:38,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:52:38,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:52:38,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:52:38,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:52:38,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:52:38,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:52:38,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:52:38,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:52:38,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:52:38,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:52:38,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:52:38,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:52:38,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:52:38,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:52:38,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:52:38,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 23:52:38,708 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:52:38,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:52:38,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:52:38,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:52:38,720 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:52:38,721 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 23:52:38,721 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 23:52:38,721 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 23:52:38,721 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 23:52:38,722 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 23:52:38,722 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 23:52:38,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:52:38,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:52:38,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:52:38,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:52:38,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 23:52:38,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 23:52:38,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 23:52:38,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 23:52:38,727 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 23:52:38,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:52:38,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 23:52:38,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:52:38,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:52:38,733 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 23:52:38,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:52:38,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 23:52:38,734 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 23:52:38,738 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 23:52:38,740 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> a96be28be4b50f026536d78db5ba85eeb0ae4413 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:52:39,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:52:39,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:52:39,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:52:39,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:52:39,445 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:52:39,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2019-11-20 23:52:39,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd6668a0/04b0e026ab79499e92aef344f6a14b03/FLAGde44b1343 [2019-11-20 23:52:40,721 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:52:40,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2019-11-20 23:52:40,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd6668a0/04b0e026ab79499e92aef344f6a14b03/FLAGde44b1343 [2019-11-20 23:52:40,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd6668a0/04b0e026ab79499e92aef344f6a14b03 [2019-11-20 23:52:40,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:52:40,794 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 23:52:40,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:52:40,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:52:40,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:52:40,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:52:40" (1/1) ... [2019-11-20 23:52:40,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494f4403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:40, skipping insertion in model container [2019-11-20 23:52:40,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:52:40" (1/1) ... [2019-11-20 23:52:40,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:52:40,898 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:52:41,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:52:41,395 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:52:41,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:52:41,478 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:52:41,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:41 WrapperNode [2019-11-20 23:52:41,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:52:41,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 23:52:41,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 23:52:41,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 23:52:41,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:41" (1/1) ... [2019-11-20 23:52:41,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:41" (1/1) ... [2019-11-20 23:52:41,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 23:52:41,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:52:41,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:52:41,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:52:41,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:41" (1/1) ... [2019-11-20 23:52:41,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:41" (1/1) ... [2019-11-20 23:52:41,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:41" (1/1) ... [2019-11-20 23:52:41,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:41" (1/1) ... [2019-11-20 23:52:41,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:41" (1/1) ... [2019-11-20 23:52:41,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:41" (1/1) ... [2019-11-20 23:52:41,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:41" (1/1) ... [2019-11-20 23:52:41,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:52:41,784 INFO L168 Benchmark]: Toolchain (without parser) took 984.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:52:41,788 INFO L168 Benchmark]: CDTParser took 2.53 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:52:41,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-20 23:52:41,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-20 23:52:41,797 INFO L168 Benchmark]: Boogie Preprocessor took 87.23 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-20 23:52:41,810 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.53 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 683.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 203.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.23 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...