./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 32f26835 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 0.1.24-32f2683 [2019-11-24 22:24:43,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:24:43,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:24:43,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:24:43,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:24:43,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:24:43,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:24:43,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:24:43,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:24:43,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:24:43,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:24:43,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:24:43,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:24:43,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:24:43,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:24:43,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:24:43,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:24:43,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:24:43,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:24:43,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:24:43,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:24:43,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:24:43,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:24:43,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:24:43,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:24:43,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:24:43,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:24:43,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:24:43,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:24:43,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:24:43,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:24:43,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:24:43,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:24:43,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:24:43,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:24:43,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:24:43,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:24:43,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:24:43,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:24:43,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:24:43,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:24:43,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-24 22:24:43,881 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:24:43,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:24:43,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:24:43,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:24:43,888 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:24:43,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:24:43,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:24:43,889 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:24:43,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:24:43,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:24:43,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:24:43,893 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:24:43,893 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:24:43,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:24:43,896 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:24:43,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:24:43,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:24:43,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:24:43,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:24:43,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:24:43,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:24:43,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:24:43,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:24:43,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:24:43,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:24:43,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:24:43,903 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 [2019-11-24 22:24:44,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:24:44,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:24:44,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:24:44,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:24:44,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:24:44,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-24 22:24:44,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89dad0e3e/671b6507b3bd491c8c71529bcae5417a/FLAGd2faeaea9 [2019-11-24 22:24:46,010 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:24:46,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-24 22:24:46,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89dad0e3e/671b6507b3bd491c8c71529bcae5417a/FLAGd2faeaea9 [2019-11-24 22:24:46,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89dad0e3e/671b6507b3bd491c8c71529bcae5417a [2019-11-24 22:24:46,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:24:46,103 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:24:46,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:46,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:24:46,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:24:46,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:46" (1/1) ... [2019-11-24 22:24:46,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5eb229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:46, skipping insertion in model container [2019-11-24 22:24:46,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:46" (1/1) ... [2019-11-24 22:24:46,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:24:46,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:24:47,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:47,163 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:24:47,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:47,440 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:24:47,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:47 WrapperNode [2019-11-24 22:24:47,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:47,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:24:47,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:24:47,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:24:47,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:47" (1/1) ... [2019-11-24 22:24:47,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:47" (1/1) ... [2019-11-24 22:24:47,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:47" (1/1) ... [2019-11-24 22:24:47,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:47" (1/1) ... [2019-11-24 22:24:47,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:47" (1/1) ... [2019-11-24 22:24:47,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:47" (1/1) ... [2019-11-24 22:24:47,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:47" (1/1) ... [2019-11-24 22:24:47,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:24:47,680 INFO L168 Benchmark]: Toolchain (without parser) took 1559.97 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:24:47,684 INFO L168 Benchmark]: CDTParser took 0.35 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. [2019-11-24 22:24:47,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1338.46 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. [2019-11-24 22:24:47,689 INFO L168 Benchmark]: Boogie Preprocessor took 213.90 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:24:47,698 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1338.46 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 213.90 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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 0.1.24-32f2683 [2019-11-24 22:24:51,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:24:51,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:24:51,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:24:51,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:24:51,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:24:51,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:24:51,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:24:51,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:24:51,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:24:51,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:24:51,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:24:51,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:24:51,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:24:51,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:24:51,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:24:51,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:24:51,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:24:51,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:24:51,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:24:51,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:24:51,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:24:51,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:24:51,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:24:51,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:24:51,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:24:51,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:24:51,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:24:51,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:24:51,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:24:51,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:24:51,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:24:51,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:24:51,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:24:51,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:24:51,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:24:51,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:24:51,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:24:51,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:24:51,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:24:51,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:24:51,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-24 22:24:51,749 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:24:51,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:24:51,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:24:51,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:24:51,759 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:24:51,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:24:51,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:24:51,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:24:51,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:24:51,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:24:51,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:24:51,763 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:24:51,766 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:24:51,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:24:51,767 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:24:51,767 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:24:51,767 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:24:51,768 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:24:51,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:24:51,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:24:51,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:24:51,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:24:51,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:24:51,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:24:51,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:24:51,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:24:51,772 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:24:51,774 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:24:51,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:24:51,774 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 [2019-11-24 22:24:52,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:24:52,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:24:52,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:24:52,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:24:52,352 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:24:52,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-24 22:24:52,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6721f41/2e72866b0206458a8d2b2fea4fe957f8/FLAG709bf604a [2019-11-24 22:24:53,781 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:24:53,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-24 22:24:53,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6721f41/2e72866b0206458a8d2b2fea4fe957f8/FLAG709bf604a [2019-11-24 22:24:53,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6721f41/2e72866b0206458a8d2b2fea4fe957f8 [2019-11-24 22:24:53,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:24:53,874 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:24:53,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:53,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:24:53,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:24:53,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:53" (1/1) ... [2019-11-24 22:24:53,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3699732f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:53, skipping insertion in model container [2019-11-24 22:24:53,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:53" (1/1) ... [2019-11-24 22:24:53,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:24:54,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:24:54,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:55,033 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:24:55,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:55,264 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:24:55,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:55 WrapperNode [2019-11-24 22:24:55,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:55,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:24:55,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:24:55,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:24:55,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:55" (1/1) ... [2019-11-24 22:24:55,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:55" (1/1) ... [2019-11-24 22:24:55,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:55" (1/1) ... [2019-11-24 22:24:55,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:55" (1/1) ... [2019-11-24 22:24:55,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:55" (1/1) ... [2019-11-24 22:24:55,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:55" (1/1) ... [2019-11-24 22:24:55,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:55" (1/1) ... [2019-11-24 22:24:55,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:24:55,509 INFO L168 Benchmark]: Toolchain (without parser) took 1628.50 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. [2019-11-24 22:24:55,511 INFO L168 Benchmark]: CDTParser took 3.24 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. [2019-11-24 22:24:55,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1389.00 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. [2019-11-24 22:24:55,522 INFO L168 Benchmark]: Boogie Preprocessor took 230.84 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. [2019-11-24 22:24:55,526 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.24 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 1389.00 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 230.84 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...