./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-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 7546d6e17020b89cf8d45870128d84e73c6cd245 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-ext3-properties/dll_nondet_free_order-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 7546d6e17020b89cf8d45870128d84e73c6cd245 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:31,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:32,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:32,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:32,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:32,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:32,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:32,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:32,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:32,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:32,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:32,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:32,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:32,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:32,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:32,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:32,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:32,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:32,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:32,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:32,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:32,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:32,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:32,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:32,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:32,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:32,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:32,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:32,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:32,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:32,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:32,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:32,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:32,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:32,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:32,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:32,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:32,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:32,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:32,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:32,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:32,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:32,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:32,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:32,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:32,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:32,243 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:32,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:32,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:32,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:32,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:32,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:32,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:32,249 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:32,249 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:32,251 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:32,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:32,252 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:32,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:32,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:32,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:32,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:32,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:32,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:32,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:32,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:32,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:32,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:32,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:32,259 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 -> 7546d6e17020b89cf8d45870128d84e73c6cd245 [2019-11-24 22:23:32,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:32,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:32,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:32,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:32,871 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:32,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2019-11-24 22:23:33,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c349573/dc488ceb060041578242a9af5b9a59a6/FLAGc9aa3ea14 [2019-11-24 22:23:34,342 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:34,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2019-11-24 22:23:34,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c349573/dc488ceb060041578242a9af5b9a59a6/FLAGc9aa3ea14 [2019-11-24 22:23:34,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c349573/dc488ceb060041578242a9af5b9a59a6 [2019-11-24 22:23:34,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:34,438 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:34,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:34,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:34,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:34,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af3dfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:34, skipping insertion in model container [2019-11-24 22:23:34,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:34,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:35,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:35,529 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:35,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:35,815 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:35,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35 WrapperNode [2019-11-24 22:23:35,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:35,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:35,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:35,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:35,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:35,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:35,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:35,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:35,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:35,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:36,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:36,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:36,033 INFO L168 Benchmark]: Toolchain (without parser) took 1588.86 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: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:36,034 INFO L168 Benchmark]: CDTParser took 1.53 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:36,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1375.60 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: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:36,051 INFO L168 Benchmark]: Boogie Preprocessor took 203.47 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:36,055 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 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 1375.60 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: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 203.47 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 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 0.1.24-32f2683 [2019-11-24 22:23:40,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:40,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:40,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:40,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:40,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:40,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:40,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:40,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:40,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:40,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:40,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:40,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:40,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:40,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:40,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:40,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:40,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:40,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:40,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:40,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:40,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:40,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:40,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:40,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:40,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:40,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:40,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:40,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:40,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:40,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:40,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:40,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:40,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:40,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:40,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:40,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:40,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:40,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:40,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:40,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:40,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:40,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:40,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:40,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:40,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:40,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:40,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:40,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:40,243 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:40,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:40,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:40,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:40,245 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:40,248 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:40,248 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:40,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:40,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:40,249 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:40,250 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:40,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:40,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:40,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:40,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:40,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:40,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:40,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:40,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:40,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:40,258 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:40,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:40,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:40,260 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 -> 7546d6e17020b89cf8d45870128d84e73c6cd245 [2019-11-24 22:23:40,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:40,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:40,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:40,904 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:40,905 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:40,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2019-11-24 22:23:41,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/127bf2511/a8723605c92243e5acaeb91dae7ef046/FLAG1f7c9cec6 [2019-11-24 22:23:42,357 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:42,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2019-11-24 22:23:42,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/127bf2511/a8723605c92243e5acaeb91dae7ef046/FLAG1f7c9cec6 [2019-11-24 22:23:42,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/127bf2511/a8723605c92243e5acaeb91dae7ef046 [2019-11-24 22:23:42,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:42,450 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:42,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:42,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:42,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:42,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16524808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42, skipping insertion in model container [2019-11-24 22:23:42,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:42,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:43,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:43,532 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:43,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:43,812 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:43,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43 WrapperNode [2019-11-24 22:23:43,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:43,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:43,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:43,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:43,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:43,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:43,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:43,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:44,068 INFO L168 Benchmark]: Toolchain (without parser) took 1613.66 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. [2019-11-24 22:23:44,069 INFO L168 Benchmark]: CDTParser took 2.33 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:44,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1361.96 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:44,082 INFO L168 Benchmark]: Boogie Preprocessor took 231.91 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. [2019-11-24 22:23:44,089 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.33 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 1361.96 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 231.91 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...