./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/dll-queue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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-queue-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39996758d4a4793ed5619e696b4574ccdffaa666 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-queue-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39996758d4a4793ed5619e696b4574ccdffaa666 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:24:33,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:33,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:33,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:33,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:33,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:33,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:33,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:33,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:33,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:33,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:33,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:33,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:33,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:33,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:33,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:33,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:33,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:33,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:33,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:33,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:33,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:33,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:33,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:33,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:33,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:33,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:33,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:33,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:33,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:33,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:33,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:33,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:33,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:33,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:33,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:33,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:33,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:33,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:33,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:33,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:33,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 11:24:33,777 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:33,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:33,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:33,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:33,787 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:33,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:33,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:24:33,788 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:33,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:33,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:24:33,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:33,793 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:33,793 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:33,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:33,794 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:33,794 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:24:33,795 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:33,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:33,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:33,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:33,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:33,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:33,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:33,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:33,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:33,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:33,801 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-memcleanup) ) 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 -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2019-11-27 11:24:34,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:34,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:34,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:34,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:34,397 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:34,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-27 11:24:34,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44bb3dbf8/b1848ed880fd4a2da723734c59ecb3f3/FLAG658bfbf4d [2019-11-27 11:24:35,805 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:35,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-27 11:24:35,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44bb3dbf8/b1848ed880fd4a2da723734c59ecb3f3/FLAG658bfbf4d [2019-11-27 11:24:35,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44bb3dbf8/b1848ed880fd4a2da723734c59ecb3f3 [2019-11-27 11:24:35,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:35,900 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:35,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:35,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:35,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:35,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:35" (1/1) ... [2019-11-27 11:24:35,924 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 11:24:35, skipping insertion in model container [2019-11-27 11:24:35,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:35" (1/1) ... [2019-11-27 11:24:35,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:36,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:37,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:37,021 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:37,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:37,287 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:37,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:37 WrapperNode [2019-11-27 11:24:37,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:37,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:37,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:37,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:37,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:37" (1/1) ... [2019-11-27 11:24:37,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:37" (1/1) ... [2019-11-27 11:24:37,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:37" (1/1) ... [2019-11-27 11:24:37,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:37" (1/1) ... [2019-11-27 11:24:37,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:37" (1/1) ... [2019-11-27 11:24:37,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:37" (1/1) ... [2019-11-27 11:24:37,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:37" (1/1) ... [2019-11-27 11:24:37,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:37,517 INFO L168 Benchmark]: Toolchain (without parser) took 1615.54 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 978.4 MB in the end (delta: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:37,534 INFO L168 Benchmark]: CDTParser took 0.51 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 11:24:37,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1389.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:37,540 INFO L168 Benchmark]: Boogie Preprocessor took 215.80 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:37,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 1389.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 215.80 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 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 11:24:41,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:41,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:41,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:41,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:41,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:41,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:41,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:41,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:41,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:41,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:41,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:41,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:41,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:41,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:41,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:41,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:41,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:41,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:41,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:41,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:41,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:41,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:41,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:41,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:41,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:41,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:41,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:41,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:41,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:41,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:41,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:41,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:41,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:41,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:41,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:41,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:41,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:41,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:41,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:41,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:41,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 11:24:41,549 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:41,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:41,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:41,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:41,557 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:41,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:41,557 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:24:41,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:41,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:41,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:24:41,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:41,560 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:41,562 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:41,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:41,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:41,563 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:41,563 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:41,563 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:24:41,567 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:41,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:41,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:41,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:41,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:41,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:41,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:41,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:41,569 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:41,570 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:41,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:41,570 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-memcleanup) ) 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 -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2019-11-27 11:24:42,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:42,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:42,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:42,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:42,243 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:42,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-27 11:24:42,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0caba458/98955dd1170c478e9e8ee3bff9d65ab3/FLAG41f555459 [2019-11-27 11:24:43,621 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:43,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-27 11:24:43,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0caba458/98955dd1170c478e9e8ee3bff9d65ab3/FLAG41f555459 [2019-11-27 11:24:43,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0caba458/98955dd1170c478e9e8ee3bff9d65ab3 [2019-11-27 11:24:43,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:43,712 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:43,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:43,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:43,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:43,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:43" (1/1) ... [2019-11-27 11:24:43,738 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 11:24:43, skipping insertion in model container [2019-11-27 11:24:43,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:43" (1/1) ... [2019-11-27 11:24:43,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:43,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:44,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:44,877 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:45,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:45,150 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:45,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45 WrapperNode [2019-11-27 11:24:45,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:45,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:45,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:45,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:45,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:45,412 INFO L168 Benchmark]: Toolchain (without parser) took 1700.44 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 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:45,414 INFO L168 Benchmark]: CDTParser took 1.62 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 11:24:45,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1436.28 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:45,420 INFO L168 Benchmark]: Boogie Preprocessor took 252.37 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:45,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62 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 1436.28 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 252.37 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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...