./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.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_reverse.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 04d17eda3d030bee53a60ea5a86a683be82674c1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_reverse.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 04d17eda3d030bee53a60ea5a86a683be82674c1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:23:18,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:18,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:18,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:18,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:18,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:18,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:18,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:18,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:18,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:18,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:18,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:18,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:18,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:18,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:18,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:18,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:18,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:18,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:18,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:18,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:18,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:18,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:18,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:18,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:18,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:18,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:18,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:18,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:18,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:18,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:18,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:18,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:18,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:18,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:18,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:18,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:18,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:18,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:18,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:18,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:18,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:18,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:18,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:18,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:18,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:18,829 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:18,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:18,829 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:18,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:18,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:18,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:18,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:18,831 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:18,834 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:18,834 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:18,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:18,835 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:18,835 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:18,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:18,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:18,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:18,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:18,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:18,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:18,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:18,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:18,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:18,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:18,839 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 -> 04d17eda3d030bee53a60ea5a86a683be82674c1 [2019-11-24 22:23:19,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:19,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:19,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:19,351 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:19,351 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:19,352 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-24 22:23:19,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/785ddd5c3/60ae43c6733346199c5ea0688da96f28/FLAG84b7418d1 [2019-11-24 22:23:20,280 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:20,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-24 22:23:20,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/785ddd5c3/60ae43c6733346199c5ea0688da96f28/FLAG84b7418d1 [2019-11-24 22:23:20,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/785ddd5c3/60ae43c6733346199c5ea0688da96f28 [2019-11-24 22:23:20,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:20,497 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:20,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:20,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:20,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:20,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2288bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:20, skipping insertion in model container [2019-11-24 22:23:20,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:20" (1/1) ... [2019-11-24 22:23:20,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:20,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:21,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:21,219 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:21,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:21,407 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:21,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21 WrapperNode [2019-11-24 22:23:21,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:21,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:21,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:21,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:21,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:21" (1/1) ... [2019-11-24 22:23:21,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:21,534 INFO L168 Benchmark]: Toolchain (without parser) took 1037.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:21,535 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:21,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 913.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:21,550 INFO L168 Benchmark]: Boogie Preprocessor took 116.28 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 22:23:21,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 913.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 116.28 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 22:23:24,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:24,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:24,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:24,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:24,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:24,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:24,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:24,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:24,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:24,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:24,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:24,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:24,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:24,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:24,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:24,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:24,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:24,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:24,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:24,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:24,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:24,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:24,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:24,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:24,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:24,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:24,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:24,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:24,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:24,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:24,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:24,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:24,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:24,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:24,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:24,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:24,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:24,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:24,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:24,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:24,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:24,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:24,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:24,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:24,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:24,427 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:24,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:24,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:24,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:24,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:24,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:24,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:24,432 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:24,432 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:24,432 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:24,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:24,433 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:24,433 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:24,433 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:24,433 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:24,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:24,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:24,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:24,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:24,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:24,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:24,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:24,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:24,438 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:24,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:24,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:24,440 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 -> 04d17eda3d030bee53a60ea5a86a683be82674c1 [2019-11-24 22:23:24,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:24,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:24,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:24,869 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:24,871 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:24,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-24 22:23:24,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df8b5f01/2739f835486e4531b554ed20a421d83b/FLAG0acbf9d19 [2019-11-24 22:23:25,819 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:25,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2019-11-24 22:23:25,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df8b5f01/2739f835486e4531b554ed20a421d83b/FLAG0acbf9d19 [2019-11-24 22:23:26,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df8b5f01/2739f835486e4531b554ed20a421d83b [2019-11-24 22:23:26,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:26,025 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:26,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:26,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:26,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:26,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:26" (1/1) ... [2019-11-24 22:23:26,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2288bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:26, skipping insertion in model container [2019-11-24 22:23:26,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:26" (1/1) ... [2019-11-24 22:23:26,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:26,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:26,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:26,804 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:26,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:26,994 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:26,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:26 WrapperNode [2019-11-24 22:23:26,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:26,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:26,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:26,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:27,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:26" (1/1) ... [2019-11-24 22:23:27,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:26" (1/1) ... [2019-11-24 22:23:27,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:26" (1/1) ... [2019-11-24 22:23:27,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:26" (1/1) ... [2019-11-24 22:23:27,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:26" (1/1) ... [2019-11-24 22:23:27,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:26" (1/1) ... [2019-11-24 22:23:27,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:26" (1/1) ... [2019-11-24 22:23:27,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:27,153 INFO L168 Benchmark]: Toolchain (without parser) took 1125.06 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: -830.7 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:27,153 INFO L168 Benchmark]: CDTParser took 4.41 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 22:23:27,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 961.10 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: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:27,160 INFO L168 Benchmark]: Boogie Preprocessor took 150.82 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. [2019-11-24 22:23:27,166 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.41 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 961.10 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: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 150.82 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...