./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 da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/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-da95e15 [2019-11-27 11:22:41,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:41,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:41,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:41,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:41,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:41,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:41,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:41,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:41,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:41,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:41,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:41,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:41,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:41,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:41,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:41,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:41,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:41,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:41,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:41,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:41,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:41,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:41,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:41,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:41,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:41,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:41,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:41,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:41,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:41,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:41,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:41,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:41,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:41,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:41,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:41,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:41,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:41,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:41,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:41,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:41,778 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:41,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:41,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:41,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:41,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:41,825 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:41,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:41,827 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:41,827 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:41,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:41,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:41,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:41,832 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:41,832 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:41,833 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:41,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:41,833 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:41,834 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:41,834 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:41,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:41,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:41,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:41,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:41,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:41,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:41,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:41,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:41,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:41,840 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 [2019-11-27 11:22:42,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:42,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:42,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:42,439 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:42,442 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:42,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-27 11:22:42,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b1463a1/3a0ba50eace04bc79c898e11dfb6d3a0/FLAGd80366b7d [2019-11-27 11:22:43,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:43,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-27 11:22:43,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b1463a1/3a0ba50eace04bc79c898e11dfb6d3a0/FLAGd80366b7d [2019-11-27 11:22:43,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b1463a1/3a0ba50eace04bc79c898e11dfb6d3a0 [2019-11-27 11:22:43,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:43,948 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:43,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:43,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:43,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:43,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:43" (1/1) ... [2019-11-27 11:22:43,970 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 27.11 11:22:43, skipping insertion in model container [2019-11-27 11:22:43,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:43" (1/1) ... [2019-11-27 11:22:43,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:44,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:44,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:44,906 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:45,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:45,134 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:45,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45 WrapperNode [2019-11-27 11:22:45,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:45,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:45,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:45,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:45,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:45,353 INFO L168 Benchmark]: Toolchain (without parser) took 1402.09 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:45,354 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:45,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1191.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:45,365 INFO L168 Benchmark]: Boogie Preprocessor took 198.32 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:45,374 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 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 1191.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 198.32 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:22:49,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:49,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:49,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:49,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:49,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:49,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:49,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:49,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:49,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:49,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:49,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:49,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:49,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:49,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:49,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:49,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:49,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:49,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:49,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:49,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:49,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:49,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:49,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:49,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:49,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:49,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:49,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:49,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:49,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:49,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:49,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:49,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:49,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:49,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:49,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:49,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:49,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:49,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:49,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:49,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:49,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:22:49,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:49,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:49,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:49,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:49,407 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:49,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:49,408 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:49,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:49,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:49,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:49,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:49,411 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:49,412 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:49,413 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:49,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:49,414 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:49,416 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:22:49,416 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:22:49,416 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:49,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:49,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:49,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:49,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:49,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:49,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:49,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:49,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:49,421 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:22:49,421 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:22:49,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:22:49,425 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 [2019-11-27 11:22:49,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:49,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:49,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:50,001 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:50,002 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:50,005 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-27 11:22:50,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7892308a0/1dbc5d897c5941b3b2a76f1afd860b3a/FLAG84e5a5965 [2019-11-27 11:22:51,399 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:51,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-27 11:22:51,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7892308a0/1dbc5d897c5941b3b2a76f1afd860b3a/FLAG84e5a5965 [2019-11-27 11:22:51,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7892308a0/1dbc5d897c5941b3b2a76f1afd860b3a [2019-11-27 11:22:51,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:51,873 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:51,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:51,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:51,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:51,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:51" (1/1) ... [2019-11-27 11:22:51,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a81a577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:51, skipping insertion in model container [2019-11-27 11:22:51,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:51" (1/1) ... [2019-11-27 11:22:51,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:52,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:52,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:52,936 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:53,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:53,181 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:53,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:53 WrapperNode [2019-11-27 11:22:53,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:53,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:53,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:53,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:53,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:53" (1/1) ... [2019-11-27 11:22:53,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:53" (1/1) ... [2019-11-27 11:22:53,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:53" (1/1) ... [2019-11-27 11:22:53,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:53" (1/1) ... [2019-11-27 11:22:53,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:53" (1/1) ... [2019-11-27 11:22:53,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:53" (1/1) ... [2019-11-27 11:22:53,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:53" (1/1) ... [2019-11-27 11:22:53,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:53,415 INFO L168 Benchmark]: Toolchain (without parser) took 1542.59 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 979.7 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:53,416 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:53,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1306.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:53,425 INFO L168 Benchmark]: Boogie Preprocessor took 225.33 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:53,444 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1306.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 225.33 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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...