./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/sll-rb-sentinel-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 436b5c72ff67e2244c8257fbd882ddaf383eff22 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll-rb-sentinel-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 436b5c72ff67e2244c8257fbd882ddaf383eff22 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:22:52,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:22:52,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:22:52,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:22:52,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:22:52,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:22:52,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:22:52,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:22:52,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:22:52,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:22:52,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:22:52,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:22:52,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:22:52,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:22:52,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:22:52,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:22:52,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:22:52,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:22:52,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:22:52,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:22:52,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:22:52,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:22:52,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:22:52,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:22:52,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:22:52,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:22:52,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:22:52,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:22:52,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:22:52,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:22:52,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:22:52,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:22:52,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:22:52,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:22:52,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:22:52,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:22:52,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:22:52,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:22:52,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:22:52,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:22:52,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:22:52,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:22:52,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:22:52,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:22:52,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:22:52,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:22:52,845 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:22:52,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:22:52,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:22:52,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:22:52,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:22:52,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:22:52,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:22:52,851 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:22:52,852 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:22:52,852 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:22:52,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:22:52,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:22:52,853 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:22:52,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:22:52,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:22:52,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:22:52,855 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:22:52,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:22:52,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:22:52,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:22:52,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:22:52,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:22:52,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:22:52,859 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 -> 436b5c72ff67e2244c8257fbd882ddaf383eff22 [2019-11-24 22:22:53,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:22:53,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:22:53,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:22:53,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:22:53,528 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:22:53,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-24 22:22:53,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9379242/c79cfa5f54ca46c8a151b4b1c1d762c6/FLAG88ae06b05 [2019-11-24 22:22:54,813 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:22:54,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-24 22:22:54,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9379242/c79cfa5f54ca46c8a151b4b1c1d762c6/FLAG88ae06b05 [2019-11-24 22:22:54,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9379242/c79cfa5f54ca46c8a151b4b1c1d762c6 [2019-11-24 22:22:54,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:22:54,953 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:22:54,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:54,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:22:54,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:22:54,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:54" (1/1) ... [2019-11-24 22:22:54,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42beb182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:54, skipping insertion in model container [2019-11-24 22:22:54,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:54" (1/1) ... [2019-11-24 22:22:54,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:22:55,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:22:55,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:22:56,003 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:22:56,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:22:56,256 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:22:56,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:56 WrapperNode [2019-11-24 22:22:56,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:56,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:22:56,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:22:56,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:22:56,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:56" (1/1) ... [2019-11-24 22:22:56,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:56" (1/1) ... [2019-11-24 22:22:56,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:56" (1/1) ... [2019-11-24 22:22:56,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:56" (1/1) ... [2019-11-24 22:22:56,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:56" (1/1) ... [2019-11-24 22:22:56,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:56" (1/1) ... [2019-11-24 22:22:56,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:56" (1/1) ... [2019-11-24 22:22:56,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:22:56,481 INFO L168 Benchmark]: Toolchain (without parser) took 1520.06 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: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:22:56,491 INFO L168 Benchmark]: CDTParser took 0.83 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 22:22:56,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1301.36 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: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 22:22:56,497 INFO L168 Benchmark]: Boogie Preprocessor took 209.30 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 22:22:56,507 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 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 1301.36 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: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 209.30 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 22:23:00,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:00,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:00,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:00,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:00,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:00,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:00,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:00,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:00,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:00,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:00,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:00,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:00,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:00,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:00,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:00,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:00,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:00,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:00,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:00,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:00,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:00,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:00,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:00,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:00,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:00,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:00,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:00,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:00,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:00,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:00,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:00,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:00,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:00,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:00,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:00,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:00,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:00,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:00,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:00,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:00,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:00,708 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:00,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:00,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:00,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:00,714 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:00,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:00,718 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:00,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:00,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:00,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:00,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:00,727 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:00,727 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:00,728 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:00,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:00,728 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:00,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:00,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:00,729 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:00,732 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:00,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:00,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:00,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:00,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:00,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:00,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:00,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:00,738 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:00,738 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:00,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:00,739 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 -> 436b5c72ff67e2244c8257fbd882ddaf383eff22 [2019-11-24 22:23:01,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:01,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:01,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:01,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:01,404 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:01,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-24 22:23:01,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/000ecdc2a/1f7ff6d1da7c47dfa48d8334dcb1c98a/FLAG713d0a281 [2019-11-24 22:23:02,754 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:02,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-24 22:23:02,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/000ecdc2a/1f7ff6d1da7c47dfa48d8334dcb1c98a/FLAG713d0a281 [2019-11-24 22:23:02,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/000ecdc2a/1f7ff6d1da7c47dfa48d8334dcb1c98a [2019-11-24 22:23:02,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:02,848 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:02,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:02,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:02,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:02,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:02" (1/1) ... [2019-11-24 22:23:02,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:02, skipping insertion in model container [2019-11-24 22:23:02,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:02" (1/1) ... [2019-11-24 22:23:02,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:02,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:03,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:03,891 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:04,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:04,147 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:04,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:04 WrapperNode [2019-11-24 22:23:04,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:04,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:04,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:04,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:04,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:04" (1/1) ... [2019-11-24 22:23:04,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:04" (1/1) ... [2019-11-24 22:23:04,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:04" (1/1) ... [2019-11-24 22:23:04,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:04" (1/1) ... [2019-11-24 22:23:04,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:04" (1/1) ... [2019-11-24 22:23:04,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:04" (1/1) ... [2019-11-24 22:23:04,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:04" (1/1) ... [2019-11-24 22:23:04,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:04,379 INFO L168 Benchmark]: Toolchain (without parser) took 1530.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.8 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:04,380 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:04,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1299.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:04,396 INFO L168 Benchmark]: Boogie Preprocessor took 217.95 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 22:23:04,411 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1299.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 217.95 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...