./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2c_remove_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/sll2c_remove_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 082b1bde50b1883aaa9112842176e8bb0db36577 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/sll2c_remove_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 082b1bde50b1883aaa9112842176e8bb0db36577 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:23:18,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:18,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:18,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:18,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:18,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:18,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:18,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:18,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:18,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:18,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:18,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:18,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:18,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:18,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:18,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:18,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:18,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:18,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:18,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:18,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:18,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:18,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:18,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:18,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:18,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:18,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:18,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:18,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:18,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:18,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:18,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:18,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:18,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:18,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:18,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:18,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:18,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:18,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:18,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:18,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:18,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:18,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:18,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:18,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:18,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:18,467 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:18,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:18,468 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:18,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:18,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:18,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:18,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:18,470 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:18,470 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:18,470 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:18,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:18,472 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:18,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:18,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:18,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:18,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:18,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:18,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:18,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:18,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:18,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:18,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:18,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:18,481 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 -> 082b1bde50b1883aaa9112842176e8bb0db36577 [2019-11-27 11:23:19,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:19,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:19,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:19,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:19,077 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:19,078 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all.i [2019-11-27 11:23:19,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08144750d/677ed17796c744049b50e50c08724f99/FLAG2366890c5 [2019-11-27 11:23:20,461 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:20,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all.i [2019-11-27 11:23:20,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08144750d/677ed17796c744049b50e50c08724f99/FLAG2366890c5 [2019-11-27 11:23:20,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08144750d/677ed17796c744049b50e50c08724f99 [2019-11-27 11:23:20,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:20,539 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:20,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:20,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:20,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:20,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,569 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 11:23:20, skipping insertion in model container [2019-11-27 11:23:20,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:20,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:21,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:21,582 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:21,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:21,848 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:21,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21 WrapperNode [2019-11-27 11:23:21,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:21,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:21,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:21,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:21,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:21,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:22,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:21" (1/1) ... [2019-11-27 11:23:22,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:22,032 INFO L168 Benchmark]: Toolchain (without parser) took 1491.95 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:22,036 INFO L168 Benchmark]: CDTParser took 1.45 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 11:23:22,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1293.71 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 11:23:22,039 INFO L168 Benchmark]: Boogie Preprocessor took 173.33 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. [2019-11-27 11:23:22,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45 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 1293.71 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 173.33 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-da95e15 [2019-11-27 11:23:25,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:25,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:26,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:26,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:26,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:26,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:26,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:26,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:26,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:26,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:26,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:26,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:26,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:26,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:26,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:26,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:26,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:26,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:26,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:26,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:26,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:26,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:26,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:26,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:26,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:26,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:26,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:26,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:26,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:26,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:26,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:26,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:26,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:26,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:26,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:26,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:26,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:26,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:26,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:26,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:26,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:26,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:26,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:26,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:26,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:26,166 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:26,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:26,167 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:26,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:26,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:26,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:26,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:26,170 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:26,172 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:26,172 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:26,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:26,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:26,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:26,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:26,176 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:26,176 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:26,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:26,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:26,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:26,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:26,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:26,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:26,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:26,182 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:26,182 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:26,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:26,184 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 -> 082b1bde50b1883aaa9112842176e8bb0db36577 [2019-11-27 11:23:26,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:26,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:26,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:26,879 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:26,880 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:26,883 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all.i [2019-11-27 11:23:27,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b038bb4/a6c853fb192b44c990a264d53f2d941c/FLAGb417b76b2 [2019-11-27 11:23:28,214 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:28,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all.i [2019-11-27 11:23:28,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b038bb4/a6c853fb192b44c990a264d53f2d941c/FLAGb417b76b2 [2019-11-27 11:23:28,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b038bb4/a6c853fb192b44c990a264d53f2d941c [2019-11-27 11:23:28,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:28,307 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:28,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:28,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:28,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:28,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,331 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 11:23:28, skipping insertion in model container [2019-11-27 11:23:28,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:28" (1/1) ... [2019-11-27 11:23:28,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:28,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:29,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:29,383 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:29,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:29,706 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:29,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29 WrapperNode [2019-11-27 11:23:29,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:29,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:29,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:29,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:29,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2019-11-27 11:23:29,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:29,927 INFO L168 Benchmark]: Toolchain (without parser) took 1616.32 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 11:23:29,928 INFO L168 Benchmark]: CDTParser took 0.38 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 11:23:29,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1397.18 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 11:23:29,940 INFO L168 Benchmark]: Boogie Preprocessor took 207.80 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 11:23:29,958 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1397.18 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 207.80 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...