./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1dcdcb191cc3a70c9cb7bce226f0263f581cc07 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1dcdcb191cc3a70c9cb7bce226f0263f581cc07 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:25:28,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:28,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:28,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:28,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:28,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:28,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:28,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:28,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:28,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:28,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:28,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:28,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:28,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:28,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:28,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:28,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:28,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:28,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:28,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:28,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:28,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:28,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:28,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:28,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:28,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:28,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:28,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:28,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:28,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:28,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:28,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:28,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:28,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:28,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:28,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:28,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:28,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:28,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:28,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:28,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:28,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:25:28,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:28,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:28,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:28,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:28,567 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:28,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:28,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:28,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:28,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:28,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:28,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:28,570 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:28,573 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:28,574 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:28,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:28,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:28,574 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:28,575 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:28,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:28,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:28,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:28,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:28,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:28,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:28,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:28,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:25:28,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:25:28,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> f1dcdcb191cc3a70c9cb7bce226f0263f581cc07 [2019-11-26 00:25:29,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:29,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:29,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:29,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:29,267 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:29,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2019-11-26 00:25:29,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a211e392f/58951c1d668a4689bfd3fc3599541b41/FLAG6a19ddd08 [2019-11-26 00:25:30,568 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:30,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2019-11-26 00:25:30,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a211e392f/58951c1d668a4689bfd3fc3599541b41/FLAG6a19ddd08 [2019-11-26 00:25:30,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a211e392f/58951c1d668a4689bfd3fc3599541b41 [2019-11-26 00:25:30,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:30,651 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:30,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:30,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:30,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:30,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:30" (1/1) ... [2019-11-26 00:25:30,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@496f2f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:30, skipping insertion in model container [2019-11-26 00:25:30,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:30" (1/1) ... [2019-11-26 00:25:30,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:30,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:31,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:31,285 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:31,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:31,449 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:31,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31 WrapperNode [2019-11-26 00:25:31,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:31,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:31,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:31,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:31,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:31,581 INFO L168 Benchmark]: Toolchain (without parser) took 929.63 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. [2019-11-26 00:25:31,584 INFO L168 Benchmark]: CDTParser took 0.57 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. [2019-11-26 00:25:31,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.02 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:31,601 INFO L168 Benchmark]: Boogie Preprocessor took 120.91 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:31,615 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 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 795.02 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.91 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:25:35,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:35,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:35,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:35,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:35,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:35,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:35,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:35,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:35,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:35,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:35,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:35,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:35,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:35,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:35,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:35,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:35,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:35,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:35,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:35,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:35,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:35,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:35,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:35,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:35,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:35,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:35,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:35,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:35,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:35,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:35,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:35,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:35,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:35,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:35,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:35,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:35,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:35,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:35,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:35,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:35,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:25:35,786 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:35,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:35,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:35,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:35,798 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:35,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:35,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:35,799 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:35,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:35,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:35,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:35,801 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:35,805 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:35,806 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:35,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:35,806 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:35,806 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:25:35,807 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:25:35,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:35,807 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:35,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:35,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:35,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:35,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:35,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:35,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:35,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:35,812 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:25:35,812 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:25:35,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:25:35,814 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> f1dcdcb191cc3a70c9cb7bce226f0263f581cc07 [2019-11-26 00:25:36,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:36,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:36,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:36,527 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:36,528 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:36,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2019-11-26 00:25:36,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349ea6bb0/4a9bf8c797aa4e1387d7b956b4980952/FLAGab241300a [2019-11-26 00:25:37,837 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:37,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2019-11-26 00:25:37,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349ea6bb0/4a9bf8c797aa4e1387d7b956b4980952/FLAGab241300a [2019-11-26 00:25:37,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349ea6bb0/4a9bf8c797aa4e1387d7b956b4980952 [2019-11-26 00:25:37,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:37,914 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:37,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:37,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:37,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:37,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:37" (1/1) ... [2019-11-26 00:25:37,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b93ca5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:37, skipping insertion in model container [2019-11-26 00:25:37,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:37" (1/1) ... [2019-11-26 00:25:37,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:38,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:38,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:38,548 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:38,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:38,743 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:38,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38 WrapperNode [2019-11-26 00:25:38,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:38,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:38,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:38,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:38,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:38,860 INFO L168 Benchmark]: Toolchain (without parser) took 941.43 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:38,862 INFO L168 Benchmark]: CDTParser took 2.33 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. [2019-11-26 00:25:38,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.81 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:38,868 INFO L168 Benchmark]: Boogie Preprocessor took 106.71 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:38,884 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.33 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 826.81 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 106.71 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 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...