./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/list-ext_flag_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/list-ext-properties/list-ext_flag_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 431427bfbd418e866d910984d83b762315f68500 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext-properties/list-ext_flag_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 431427bfbd418e866d910984d83b762315f68500 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:21:23,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:21:23,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:21:23,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:21:23,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:21:23,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:21:23,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:21:23,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:21:23,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:21:23,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:21:23,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:21:23,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:21:23,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:21:23,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:21:23,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:21:23,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:21:23,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:21:23,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:21:23,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:21:23,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:21:23,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:21:23,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:21:23,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:21:23,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:21:23,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:21:23,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:21:23,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:21:23,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:21:23,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:21:23,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:21:23,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:21:23,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:21:23,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:21:23,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:21:23,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:21:23,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:21:23,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:21:23,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:21:23,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:21:23,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:21:23,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:21:23,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:21:23,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:21:23,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:21:23,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:21:23,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:21:23,432 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:21:23,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:21:23,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:21:23,435 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:21:23,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:21:23,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:21:23,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:21:23,437 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:21:23,438 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:21:23,440 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:21:23,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:21:23,441 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:21:23,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:21:23,442 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:21:23,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:21:23,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:21:23,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:21:23,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:21:23,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:21:23,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:21:23,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:21:23,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:21:23,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:21:23,448 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 -> 431427bfbd418e866d910984d83b762315f68500 [2019-11-27 11:21:24,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:24,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:24,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:24,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:24,133 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:24,134 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/list-ext_flag_1.i [2019-11-27 11:21:24,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b67c90fe/0816a21de381411084ea476901a39689/FLAGe75900e9f [2019-11-27 11:21:25,531 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:25,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/list-ext_flag_1.i [2019-11-27 11:21:25,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b67c90fe/0816a21de381411084ea476901a39689/FLAGe75900e9f [2019-11-27 11:21:25,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b67c90fe/0816a21de381411084ea476901a39689 [2019-11-27 11:21:25,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:25,626 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:25,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:25,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:25,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:25,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44043fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25, skipping insertion in model container [2019-11-27 11:21:25,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:25,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:26,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:26,725 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:26,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:26,963 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:26,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:26 WrapperNode [2019-11-27 11:21:26,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:26,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:26,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:26,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:26,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:26" (1/1) ... [2019-11-27 11:21:26,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:26" (1/1) ... [2019-11-27 11:21:27,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:26" (1/1) ... [2019-11-27 11:21:27,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:26" (1/1) ... [2019-11-27 11:21:27,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:26" (1/1) ... [2019-11-27 11:21:27,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:26" (1/1) ... [2019-11-27 11:21:27,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:26" (1/1) ... [2019-11-27 11:21:27,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:27,180 INFO L168 Benchmark]: Toolchain (without parser) took 1540.03 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 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:27,181 INFO L168 Benchmark]: CDTParser took 0.60 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 11:21:27,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1338.90 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 11:21:27,188 INFO L168 Benchmark]: Boogie Preprocessor took 191.05 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 11:21:27,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 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 1338.90 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 191.05 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 11:21:31,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:21:31,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:21:31,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:21:31,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:21:31,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:21:31,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:21:31,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:21:31,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:21:31,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:21:31,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:21:31,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:21:31,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:21:31,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:21:31,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:21:31,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:21:31,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:21:31,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:21:31,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:21:31,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:21:31,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:21:31,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:21:31,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:21:31,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:21:31,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:21:31,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:21:31,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:21:31,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:21:31,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:21:31,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:21:31,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:21:31,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:21:31,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:21:31,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:21:31,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:21:31,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:21:31,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:21:31,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:21:31,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:21:31,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:21:31,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:21:31,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:21:31,326 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:21:31,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:21:31,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:21:31,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:21:31,332 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:21:31,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:21:31,333 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:21:31,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:21:31,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:21:31,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:21:31,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:21:31,336 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:21:31,338 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:21:31,338 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:21:31,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:21:31,341 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:21:31,341 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:21:31,342 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:21:31,342 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:21:31,342 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:21:31,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:21:31,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:21:31,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:21:31,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:21:31,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:21:31,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:21:31,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:21:31,348 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:21:31,348 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:21:31,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:21:31,352 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 -> 431427bfbd418e866d910984d83b762315f68500 [2019-11-27 11:21:31,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:32,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:32,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:32,015 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:32,018 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:32,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/list-ext_flag_1.i [2019-11-27 11:21:32,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8bd7c34/8f08dff1ed2f49ed8a01f392ee55d2c9/FLAG316284db7 [2019-11-27 11:21:33,485 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:33,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/list-ext_flag_1.i [2019-11-27 11:21:33,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8bd7c34/8f08dff1ed2f49ed8a01f392ee55d2c9/FLAG316284db7 [2019-11-27 11:21:33,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8bd7c34/8f08dff1ed2f49ed8a01f392ee55d2c9 [2019-11-27 11:21:33,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:33,580 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:33,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:33,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:33,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:33,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:33" (1/1) ... [2019-11-27 11:21:33,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:33, skipping insertion in model container [2019-11-27 11:21:33,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:33" (1/1) ... [2019-11-27 11:21:33,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:33,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:34,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:34,764 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:34,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:35,005 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:35,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:35 WrapperNode [2019-11-27 11:21:35,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:35,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:35,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:35,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:35,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:35" (1/1) ... [2019-11-27 11:21:35,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:35" (1/1) ... [2019-11-27 11:21:35,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:35" (1/1) ... [2019-11-27 11:21:35,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:35" (1/1) ... [2019-11-27 11:21:35,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:35" (1/1) ... [2019-11-27 11:21:35,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:35" (1/1) ... [2019-11-27 11:21:35,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:35" (1/1) ... [2019-11-27 11:21:35,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:35,201 INFO L168 Benchmark]: Toolchain (without parser) took 1621.82 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 968.5 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:35,212 INFO L168 Benchmark]: CDTParser took 2.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:35,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1413.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:35,220 INFO L168 Benchmark]: Boogie Preprocessor took 186.73 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:35,234 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1413.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.73 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 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...