./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-optional-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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/forester-heap/dll-optional-1.i -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 497bfe83d1a123e7e085e38ee3eed2e663cc023e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/forester-heap/dll-optional-1.i -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 497bfe83d1a123e7e085e38ee3eed2e663cc023e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:22:37,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:37,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:37,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:37,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:37,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:37,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:37,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:37,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:37,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:37,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:37,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:37,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:37,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:37,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:37,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:37,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:37,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:37,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:37,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:37,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:37,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:37,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:37,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:37,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:37,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:37,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:37,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:37,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:37,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:37,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:37,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:37,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:37,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:37,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:37,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:37,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:37,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:37,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:37,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:37,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:37,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:37,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:37,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:37,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:37,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:37,646 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:37,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:37,646 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:37,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:37,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:37,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:37,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:37,650 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:37,650 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:37,651 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:37,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:37,652 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:37,654 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:37,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:37,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:37,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:37,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:37,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:37,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:37,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:37,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:37,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:37,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:37,660 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 -> 497bfe83d1a123e7e085e38ee3eed2e663cc023e [2019-11-27 11:22:38,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:38,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:38,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:38,200 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:38,203 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:38,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-27 11:22:38,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c722e60f/d264b24dffb64f579124aa97d7c49911/FLAGb9e65239b [2019-11-27 11:22:39,500 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:39,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-27 11:22:39,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c722e60f/d264b24dffb64f579124aa97d7c49911/FLAGb9e65239b [2019-11-27 11:22:40,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c722e60f/d264b24dffb64f579124aa97d7c49911 [2019-11-27 11:22:40,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:40,035 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:40,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:40,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:40,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:40,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:40" (1/1) ... [2019-11-27 11:22:40,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a3da84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:40, skipping insertion in model container [2019-11-27 11:22:40,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:40" (1/1) ... [2019-11-27 11:22:40,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:40,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:41,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:41,099 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:41,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:41,349 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:41,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:41 WrapperNode [2019-11-27 11:22:41,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:41,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:41,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:41,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:41,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:41" (1/1) ... [2019-11-27 11:22:41,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:41" (1/1) ... [2019-11-27 11:22:41,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:41" (1/1) ... [2019-11-27 11:22:41,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:41" (1/1) ... [2019-11-27 11:22:41,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:41" (1/1) ... [2019-11-27 11:22:41,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:41" (1/1) ... [2019-11-27 11:22:41,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:41" (1/1) ... [2019-11-27 11:22:41,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:41,540 INFO L168 Benchmark]: Toolchain (without parser) took 1502.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:41,541 INFO L168 Benchmark]: CDTParser took 0.62 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. [2019-11-27 11:22:41,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1315.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:41,565 INFO L168 Benchmark]: Boogie Preprocessor took 179.62 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:41,571 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 1315.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 179.62 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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-da95e15 [2019-11-27 11:22:45,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:45,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:45,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:45,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:45,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:45,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:45,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:45,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:45,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:45,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:45,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:45,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:45,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:45,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:45,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:45,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:45,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:45,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:45,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:45,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:45,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:45,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:45,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:45,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:45,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:45,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:45,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:45,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:45,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:45,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:45,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:45,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:45,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:45,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:45,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:45,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:45,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:45,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:45,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:45,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:45,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:22:45,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:45,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:45,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:45,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:45,518 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:45,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:45,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:45,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:45,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:45,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:45,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:45,522 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:45,523 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:45,523 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:45,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:45,526 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:45,526 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:22:45,527 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:22:45,527 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:45,527 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:45,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:45,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:45,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:45,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:45,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:45,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:45,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:45,532 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:22:45,532 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:22:45,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:22:45,535 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 -> 497bfe83d1a123e7e085e38ee3eed2e663cc023e [2019-11-27 11:22:46,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:46,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:46,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:46,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:46,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:46,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-27 11:22:46,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314b2f509/bc75e0f89def40db9925d9ba3284a817/FLAG278152fbd [2019-11-27 11:22:47,482 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:47,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-27 11:22:47,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314b2f509/bc75e0f89def40db9925d9ba3284a817/FLAG278152fbd [2019-11-27 11:22:47,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314b2f509/bc75e0f89def40db9925d9ba3284a817 [2019-11-27 11:22:47,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:47,575 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:47,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:47,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:47,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:47,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:47" (1/1) ... [2019-11-27 11:22:47,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:47, skipping insertion in model container [2019-11-27 11:22:47,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:47" (1/1) ... [2019-11-27 11:22:47,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:47,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:48,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:48,660 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:48,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:48,927 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:48,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:48 WrapperNode [2019-11-27 11:22:48,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:48,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:48,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:48,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:48,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:48" (1/1) ... [2019-11-27 11:22:48,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:48" (1/1) ... [2019-11-27 11:22:49,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:48" (1/1) ... [2019-11-27 11:22:49,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:48" (1/1) ... [2019-11-27 11:22:49,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:48" (1/1) ... [2019-11-27 11:22:49,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:48" (1/1) ... [2019-11-27 11:22:49,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:48" (1/1) ... [2019-11-27 11:22:49,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:49,152 INFO L168 Benchmark]: Toolchain (without parser) took 1575.87 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 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:49,153 INFO L168 Benchmark]: CDTParser took 2.39 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. [2019-11-27 11:22:49,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1353.42 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:49,172 INFO L168 Benchmark]: Boogie Preprocessor took 213.66 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:49,184 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.39 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 1353.42 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 213.66 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 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...