./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-reverse_simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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-reverse_simple.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 acdd122f5068e78adf2c5d9843dc58624176c7bc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-reverse_simple.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 acdd122f5068e78adf2c5d9843dc58624176c7bc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:10,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:10,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:10,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:10,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:10,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:10,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:10,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:10,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:10,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:10,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:10,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:10,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:10,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:10,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:10,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:10,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:10,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:10,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:10,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:10,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:10,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:10,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:10,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:10,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:10,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:10,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:10,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:10,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:10,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:10,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:10,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:10,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:10,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:10,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:10,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:10,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:10,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:10,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:10,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:10,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:10,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:10,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:10,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:10,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:10,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:10,388 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:10,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:10,390 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:10,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:10,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:10,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:10,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:10,392 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:10,393 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:10,393 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:10,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:10,394 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:10,396 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:10,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:10,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:10,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:10,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:10,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:10,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:10,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:10,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:10,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:10,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:10,399 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 -> acdd122f5068e78adf2c5d9843dc58624176c7bc [2019-11-27 17:45:10,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:10,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:10,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:10,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:10,812 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:10,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-reverse_simple.i [2019-11-27 17:45:10,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16d20da05/b3dfb9e6dea94ca8a6ab31ca0ebf431d/FLAG3f04c417f [2019-11-27 17:45:11,742 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:11,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-reverse_simple.i [2019-11-27 17:45:11,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16d20da05/b3dfb9e6dea94ca8a6ab31ca0ebf431d/FLAG3f04c417f [2019-11-27 17:45:11,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16d20da05/b3dfb9e6dea94ca8a6ab31ca0ebf431d [2019-11-27 17:45:11,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:11,960 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:11,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:11,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:11,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:11,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c7b1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11, skipping insertion in model container [2019-11-27 17:45:11,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:12,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:12,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:12,721 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:12,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:12,901 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:12,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:12 WrapperNode [2019-11-27 17:45:12,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:12,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:12,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:12,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:12,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:12" (1/1) ... [2019-11-27 17:45:12,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:12" (1/1) ... [2019-11-27 17:45:12,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:12" (1/1) ... [2019-11-27 17:45:12,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:12" (1/1) ... [2019-11-27 17:45:12,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:12" (1/1) ... [2019-11-27 17:45:13,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:12" (1/1) ... [2019-11-27 17:45:13,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:12" (1/1) ... [2019-11-27 17:45:13,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:13,041 INFO L168 Benchmark]: Toolchain (without parser) took 1069.96 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 974.2 MB in the end (delta: -12.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:13,044 INFO L168 Benchmark]: CDTParser took 1.87 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 17:45:13,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 934.65 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 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:13,054 INFO L168 Benchmark]: Boogie Preprocessor took 124.16 ms. Allocated memory is still 1.0 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:13,058 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.87 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 934.65 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 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 124.16 ms. Allocated memory is still 1.0 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:15,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:15,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:15,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:15,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:15,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:15,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:15,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:15,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:15,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:15,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:15,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:15,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:15,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:15,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:15,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:15,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:15,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:15,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:15,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:15,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:15,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:15,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:15,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:15,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:15,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:15,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:15,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:15,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:15,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:15,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:15,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:15,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:15,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:15,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:15,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:15,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:15,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:15,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:15,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:15,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:15,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:15,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:15,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:15,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:15,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:15,892 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:15,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:15,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:15,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:15,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:15,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:15,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:15,895 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:15,895 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:15,896 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:15,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:15,897 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:15,897 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:15,897 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:15,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:15,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:15,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:15,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:15,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:15,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:15,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:15,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:15,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:15,902 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:15,902 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:15,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:15,903 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 -> acdd122f5068e78adf2c5d9843dc58624176c7bc [2019-11-27 17:45:16,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:16,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:16,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:16,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:16,405 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:16,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-reverse_simple.i [2019-11-27 17:45:16,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4738b8a0/3f19c05b65464ad4998c88d79f102c7a/FLAG9216b36eb [2019-11-27 17:45:17,333 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:17,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-reverse_simple.i [2019-11-27 17:45:17,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4738b8a0/3f19c05b65464ad4998c88d79f102c7a/FLAG9216b36eb [2019-11-27 17:45:17,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4738b8a0/3f19c05b65464ad4998c88d79f102c7a [2019-11-27 17:45:17,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:17,529 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:17,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:17,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:17,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:17,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b61a76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:17, skipping insertion in model container [2019-11-27 17:45:17,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:17" (1/1) ... [2019-11-27 17:45:17,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:17,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:18,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:18,312 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:18,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:18,504 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:18,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:18 WrapperNode [2019-11-27 17:45:18,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:18,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:18,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:18,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:18,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:18,681 INFO L168 Benchmark]: Toolchain (without parser) took 1152.79 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 17:45:18,689 INFO L168 Benchmark]: CDTParser took 0.25 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 17:45:18,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 973.78 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 17:45:18,694 INFO L168 Benchmark]: Boogie Preprocessor took 172.11 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 17:45:18,697 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 973.78 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 172.11 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...