./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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/sll2n_prepend_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 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/sll2n_prepend_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 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:45,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:45,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:45,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:45,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:45,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:45,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:45,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:45,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:45,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:45,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:45,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:45,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:45,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:45,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:45,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:45,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:45,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:45,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:45,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:45,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:45,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:45,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:45,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:45,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:45,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:45,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:45,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:45,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:45,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:45,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:45,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:45,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:45,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:45,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:45,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:45,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:45,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:45,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:45,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:45,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:45,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:45,592 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:45,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:45,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:45,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:45,602 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:45,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:45,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:45,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:45,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:45,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:45,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:45,607 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:45,608 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:45,608 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:45,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:45,610 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:45,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:45,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:45,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:45,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:45,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:45,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:45,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:45,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:45,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:45,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:45,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:45,617 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 -> 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 [2019-11-27 17:45:46,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:46,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:46,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:46,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:46,276 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:46,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-27 17:45:46,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d043828c9/8af2727eb126412a9bc7626de3d7838b/FLAG90ec68892 [2019-11-27 17:45:47,740 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:47,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-27 17:45:47,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d043828c9/8af2727eb126412a9bc7626de3d7838b/FLAG90ec68892 [2019-11-27 17:45:47,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d043828c9/8af2727eb126412a9bc7626de3d7838b [2019-11-27 17:45:47,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:47,840 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:47,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:47,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:47,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:47,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47, skipping insertion in model container [2019-11-27 17:45:47,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:47,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:48,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:48,924 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:49,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:49,192 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:49,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49 WrapperNode [2019-11-27 17:45:49,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:49,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:49,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:49,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:49,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:49" (1/1) ... [2019-11-27 17:45:49,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:49,409 INFO L168 Benchmark]: Toolchain (without parser) took 1564.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:49,410 INFO L168 Benchmark]: CDTParser took 2.27 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 17:45:49,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1347.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:49,421 INFO L168 Benchmark]: Boogie Preprocessor took 206.02 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:49,429 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.27 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 1347.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 206.02 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 0.1.24-509859d [2019-11-27 17:45:53,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:53,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:53,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:53,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:53,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:53,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:53,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:53,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:53,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:53,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:53,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:53,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:53,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:53,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:53,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:53,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:53,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:53,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:53,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:53,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:53,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:53,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:53,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:53,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:53,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:53,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:53,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:53,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:53,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:53,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:53,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:53,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:53,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:53,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:53,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:53,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:53,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:53,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:53,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:53,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:53,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:53,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:53,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:53,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:53,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:53,474 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:53,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:53,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:53,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:53,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:53,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:53,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:53,479 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:53,480 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:53,480 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:53,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:53,482 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:53,482 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:53,483 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:53,483 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:53,485 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:53,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:53,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:53,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:53,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:53,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:53,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:53,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:53,489 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:53,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:53,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:53,491 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 -> 85f309ef7120c25bf3b7104ad3a9bfa2e1a59886 [2019-11-27 17:45:54,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:54,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:54,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:54,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:54,163 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:54,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-27 17:45:54,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493625eef/143da04043904cd3b1daa44ae8c1f1b2/FLAGd09e0f291 [2019-11-27 17:45:55,498 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:55,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2019-11-27 17:45:55,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493625eef/143da04043904cd3b1daa44ae8c1f1b2/FLAGd09e0f291 [2019-11-27 17:45:55,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493625eef/143da04043904cd3b1daa44ae8c1f1b2 [2019-11-27 17:45:55,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:55,987 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:55,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:55,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:56,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:56,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:56,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d12f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56, skipping insertion in model container [2019-11-27 17:45:56,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:55" (1/1) ... [2019-11-27 17:45:56,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:56,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:56,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:57,030 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:57,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:57,279 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:57,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57 WrapperNode [2019-11-27 17:45:57,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:57,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:57,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:57,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:57,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:57" (1/1) ... [2019-11-27 17:45:57,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:57,485 INFO L168 Benchmark]: Toolchain (without parser) took 1488.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.0 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:57,486 INFO L168 Benchmark]: CDTParser took 0.36 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 17:45:57,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1283.12 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:57,499 INFO L168 Benchmark]: Boogie Preprocessor took 189.81 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:57,514 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1283.12 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 189.81 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 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...