./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_update_all.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/list-simple/dll2n_update_all.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 fabf658906da38258bbb10e77b5550f740cea929 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/list-simple/dll2n_update_all.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 fabf658906da38258bbb10e77b5550f740cea929 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:23:12,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:12,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:13,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:13,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:13,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:13,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:13,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:13,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:13,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:13,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:13,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:13,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:13,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:13,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:13,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:13,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:13,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:13,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:13,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:13,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:13,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:13,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:13,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:13,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:13,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:13,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:13,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:13,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:13,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:13,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:13,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:13,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:13,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:13,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:13,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:13,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:13,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:13,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:13,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:13,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:13,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:13,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:13,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:13,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:13,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:13,231 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:13,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:13,232 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:13,234 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:13,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:13,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:13,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:13,235 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:13,235 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:13,236 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:13,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:13,238 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:13,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:13,238 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:13,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:13,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:13,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:13,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:13,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:13,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:13,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:13,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:13,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:13,246 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 -> fabf658906da38258bbb10e77b5550f740cea929 [2019-11-27 11:23:13,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:13,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:13,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:13,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:13,927 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:13,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_update_all.i [2019-11-27 11:23:14,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7f7639b/084aa661a1e840879f9eb5f050f20333/FLAGab7818348 [2019-11-27 11:23:15,337 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:15,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_update_all.i [2019-11-27 11:23:15,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7f7639b/084aa661a1e840879f9eb5f050f20333/FLAGab7818348 [2019-11-27 11:23:15,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7f7639b/084aa661a1e840879f9eb5f050f20333 [2019-11-27 11:23:15,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:15,430 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:15,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:15,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:15,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:15,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:15" (1/1) ... [2019-11-27 11:23:15,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:15, skipping insertion in model container [2019-11-27 11:23:15,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:15" (1/1) ... [2019-11-27 11:23:15,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:15,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:16,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:16,461 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:16,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:16,721 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:16,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:16 WrapperNode [2019-11-27 11:23:16,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:16,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:16,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:16,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:16,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:16" (1/1) ... [2019-11-27 11:23:16,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:16,934 INFO L168 Benchmark]: Toolchain (without parser) took 1503.03 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:16,941 INFO L168 Benchmark]: CDTParser took 2.92 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 11:23:16,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:16,959 INFO L168 Benchmark]: Boogie Preprocessor took 202.96 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:16,969 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.92 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 1288.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 202.96 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:20,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:20,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:20,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:20,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:20,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:20,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:20,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:20,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:20,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:20,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:20,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:20,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:20,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:20,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:20,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:20,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:20,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:20,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:20,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:20,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:20,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:20,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:20,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:20,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:20,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:20,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:20,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:20,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:20,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:20,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:20,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:20,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:20,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:20,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:20,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:20,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:20,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:20,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:20,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:20,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:20,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:20,957 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:20,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:20,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:20,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:20,968 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:20,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:20,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:20,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:20,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:20,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:20,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:20,972 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:20,972 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:20,974 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:20,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:20,974 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:20,977 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:20,977 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:20,977 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:20,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:20,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:20,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:20,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:20,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:20,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:20,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:20,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:20,984 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:20,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:20,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:20,986 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 -> fabf658906da38258bbb10e77b5550f740cea929 [2019-11-27 11:23:21,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:21,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:21,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:21,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:21,632 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:21,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_update_all.i [2019-11-27 11:23:21,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e5cdb423/2e464871d3e5422e86a3852467675e7d/FLAG455af6480 [2019-11-27 11:23:23,033 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:23,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_update_all.i [2019-11-27 11:23:23,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e5cdb423/2e464871d3e5422e86a3852467675e7d/FLAG455af6480 [2019-11-27 11:23:23,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e5cdb423/2e464871d3e5422e86a3852467675e7d [2019-11-27 11:23:23,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:23,118 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:23,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:23,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:23,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:23,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:23,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:23, skipping insertion in model container [2019-11-27 11:23:23,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:23" (1/1) ... [2019-11-27 11:23:23,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:23,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:24,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:24,217 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:24,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:24,518 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:24,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24 WrapperNode [2019-11-27 11:23:24,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:24,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:24,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:24,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:24,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24" (1/1) ... [2019-11-27 11:23:24,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:24,751 INFO L168 Benchmark]: Toolchain (without parser) took 1626.30 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 966.8 MB in the end (delta: 645.0 kB). Peak memory consumption was 710.5 kB. Max. memory is 12.5 GB. [2019-11-27 11:23:24,752 INFO L168 Benchmark]: CDTParser took 1.39 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. [2019-11-27 11:23:24,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1401.63 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:24,763 INFO L168 Benchmark]: Boogie Preprocessor took 213.94 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:24,780 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 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 1401.63 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 213.94 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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...