./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_remove_all.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-simple/dll2n_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 d9cd680588366d8f4117005099c5fa975e5f03ed ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2n_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 d9cd680588366d8f4117005099c5fa975e5f03ed ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:23:19,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:19,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:19,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:19,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:19,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:19,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:19,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:19,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:19,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:19,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:19,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:19,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:19,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:19,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:19,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:19,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:19,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:19,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:19,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:19,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:19,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:19,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:19,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:19,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:19,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:19,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:19,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:19,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:19,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:19,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:19,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:19,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:19,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:19,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:19,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:19,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:19,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:19,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:19,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:19,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:19,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:19,742 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:19,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:19,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:19,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:19,750 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:19,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:19,751 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:19,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:19,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:19,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:19,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:19,756 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:19,757 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:19,757 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:19,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:19,758 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:19,758 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:19,758 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:19,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:19,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:19,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:19,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:19,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:19,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:19,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:19,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:19,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:19,766 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 -> d9cd680588366d8f4117005099c5fa975e5f03ed [2019-11-24 22:23:20,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:20,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:20,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:20,438 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:20,440 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:20,441 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-24 22:23:20,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae5b7c935/894a09e5f2724b89b87b72ade4cebd52/FLAGe032168da [2019-11-24 22:23:21,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:21,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-24 22:23:21,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae5b7c935/894a09e5f2724b89b87b72ade4cebd52/FLAGe032168da [2019-11-24 22:23:21,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae5b7c935/894a09e5f2724b89b87b72ade4cebd52 [2019-11-24 22:23:21,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:21,943 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:21,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:21,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:21,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:21,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21, skipping insertion in model container [2019-11-24 22:23:21,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:22,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:22,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:22,986 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:23,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:23,276 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:23,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:23 WrapperNode [2019-11-24 22:23:23,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:23,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:23,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:23,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:23,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:23" (1/1) ... [2019-11-24 22:23:23,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:23" (1/1) ... [2019-11-24 22:23:23,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:23" (1/1) ... [2019-11-24 22:23:23,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:23" (1/1) ... [2019-11-24 22:23:23,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:23" (1/1) ... [2019-11-24 22:23:23,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:23" (1/1) ... [2019-11-24 22:23:23,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:23" (1/1) ... [2019-11-24 22:23:23,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:23,510 INFO L168 Benchmark]: Toolchain (without parser) took 1560.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:23,514 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:23,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1338.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:23,525 INFO L168 Benchmark]: Boogie Preprocessor took 216.82 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 22:23:23,534 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1338.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 216.82 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 22:23:27,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:27,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:27,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:27,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:27,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:27,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:27,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:27,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:27,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:27,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:27,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:27,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:27,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:27,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:27,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:27,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:27,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:27,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:27,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:27,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:27,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:27,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:27,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:27,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:27,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:27,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:27,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:27,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:27,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:27,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:27,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:27,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:27,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:27,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:27,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:27,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:27,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:27,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:27,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:27,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:27,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:27,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:27,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:27,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:27,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:27,498 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:27,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:27,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:27,501 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:27,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:27,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:27,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:27,503 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:27,504 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:27,506 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:27,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:27,507 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:27,507 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:27,507 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:27,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:27,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:27,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:27,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:27,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:27,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:27,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:27,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:27,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:27,514 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:27,514 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:27,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:27,517 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 -> d9cd680588366d8f4117005099c5fa975e5f03ed [2019-11-24 22:23:28,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:28,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:28,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:28,095 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:28,099 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:28,101 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-24 22:23:28,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23b1d75f/4785619f47da4dd389b5be452a906106/FLAG3dae497e0 [2019-11-24 22:23:29,476 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:29,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-24 22:23:29,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23b1d75f/4785619f47da4dd389b5be452a906106/FLAG3dae497e0 [2019-11-24 22:23:29,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23b1d75f/4785619f47da4dd389b5be452a906106 [2019-11-24 22:23:29,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:29,600 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:29,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:29,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:29,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:29,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:29" (1/1) ... [2019-11-24 22:23:29,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1b3a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:29, skipping insertion in model container [2019-11-24 22:23:29,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:29" (1/1) ... [2019-11-24 22:23:29,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:29,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:30,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:30,709 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:30,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:30,993 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:30,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:30 WrapperNode [2019-11-24 22:23:30,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:30,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:30,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:30,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:31,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:31,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:31,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:31,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:31,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:31,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:31,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:30" (1/1) ... [2019-11-24 22:23:31,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:31,227 INFO L168 Benchmark]: Toolchain (without parser) took 1626.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.4 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:31,235 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:31,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1395.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:31,241 INFO L168 Benchmark]: Boogie Preprocessor took 224.88 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:31,249 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1395.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 224.88 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.4 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...