./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_insert_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2n_insert_equal.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 991566e3237a3bd107d157451ed3644c7d9c68a0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_insert_equal.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 991566e3237a3bd107d157451ed3644c7d9c68a0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:23:06,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:06,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:06,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:06,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:06,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:06,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:06,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:06,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:06,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:06,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:06,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:06,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:06,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:06,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:06,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:06,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:06,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:06,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:06,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:06,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:06,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:06,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:06,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:06,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:06,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:06,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:06,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:06,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:06,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:06,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:06,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:06,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:06,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:06,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:06,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:06,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:06,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:06,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:06,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:06,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:06,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:06,579 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:06,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:06,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:06,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:06,589 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:06,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:06,590 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:06,592 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:06,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:06,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:06,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:06,594 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:06,594 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:06,597 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:06,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:06,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:06,598 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:06,598 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:06,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:06,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:06,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:06,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:06,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:06,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:06,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:06,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:06,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:06,604 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 -> 991566e3237a3bd107d157451ed3644c7d9c68a0 [2019-11-27 11:23:07,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:07,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:07,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:07,312 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:07,315 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:07,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_insert_equal.i [2019-11-27 11:23:07,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cc5bd4e/1f169b8d5c4440d584c662a0d2f0a4b3/FLAGeda15b450 [2019-11-27 11:23:08,729 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:08,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_insert_equal.i [2019-11-27 11:23:08,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cc5bd4e/1f169b8d5c4440d584c662a0d2f0a4b3/FLAGeda15b450 [2019-11-27 11:23:08,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0cc5bd4e/1f169b8d5c4440d584c662a0d2f0a4b3 [2019-11-27 11:23:08,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:08,820 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:08,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:08,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:08,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:08,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16524808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:08, skipping insertion in model container [2019-11-27 11:23:08,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:08" (1/1) ... [2019-11-27 11:23:08,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:08,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:09,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:09,979 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:10,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:10,288 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:10,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10 WrapperNode [2019-11-27 11:23:10,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:10,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:10,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:10,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:10,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:10" (1/1) ... [2019-11-27 11:23:10,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:10,535 INFO L168 Benchmark]: Toolchain (without parser) took 1709.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 966.8 MB in the end (delta: -3.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:10,538 INFO L168 Benchmark]: CDTParser took 1.95 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 11:23:10,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1472.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:10,544 INFO L168 Benchmark]: Boogie Preprocessor took 226.92 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 11:23:10,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95 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 1472.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 226.92 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:14,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:14,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:14,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:14,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:14,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:14,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:14,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:14,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:14,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:14,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:14,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:14,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:14,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:14,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:14,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:14,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:14,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:14,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:14,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:14,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:14,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:14,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:14,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:14,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:14,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:14,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:14,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:14,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:14,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:14,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:14,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:14,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:14,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:14,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:14,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:14,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:14,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:14,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:14,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:14,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:14,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:14,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:14,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:14,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:14,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:14,762 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:14,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:14,763 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:14,763 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:14,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:14,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:14,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:14,768 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:14,768 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:14,769 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:14,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:14,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:14,770 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:14,770 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:14,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:14,773 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:14,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:14,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:14,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:14,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:14,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:14,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:14,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:14,778 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:14,779 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:14,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:14,780 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 -> 991566e3237a3bd107d157451ed3644c7d9c68a0 [2019-11-27 11:23:15,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:15,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:15,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:15,460 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:15,462 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:15,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_insert_equal.i [2019-11-27 11:23:15,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afcabf3e3/b3b7c0f4dd9642319b621b04c57117c7/FLAG5475380e0 [2019-11-27 11:23:16,767 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:16,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_insert_equal.i [2019-11-27 11:23:16,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afcabf3e3/b3b7c0f4dd9642319b621b04c57117c7/FLAG5475380e0 [2019-11-27 11:23:17,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afcabf3e3/b3b7c0f4dd9642319b621b04c57117c7 [2019-11-27 11:23:17,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:17,336 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:17,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:17,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:17,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:17,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d13d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:17, skipping insertion in model container [2019-11-27 11:23:17,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:17" (1/1) ... [2019-11-27 11:23:17,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:17,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:18,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:18,432 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:18,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:18,710 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:18,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:18 WrapperNode [2019-11-27 11:23:18,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:18,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:18,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:18,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:18,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:18" (1/1) ... [2019-11-27 11:23:18,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:18" (1/1) ... [2019-11-27 11:23:18,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:18" (1/1) ... [2019-11-27 11:23:18,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:18" (1/1) ... [2019-11-27 11:23:18,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:18" (1/1) ... [2019-11-27 11:23:18,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:18" (1/1) ... [2019-11-27 11:23:18,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:18" (1/1) ... [2019-11-27 11:23:18,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:18,938 INFO L168 Benchmark]: Toolchain (without parser) took 1596.09 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 968.2 MB in the end (delta: -806.0 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:18,943 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:18,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1369.65 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 974.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:18,960 INFO L168 Benchmark]: Boogie Preprocessor took 215.35 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:18,973 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 1369.65 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 974.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 215.35 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.2 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...