./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_append_unequal.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/dll2n_append_unequal.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 b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_append_unequal.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 b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:45:32,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:32,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:32,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:32,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:32,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:32,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:32,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:32,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:32,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:32,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:32,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:32,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:32,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:32,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:32,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:32,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:32,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:32,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:32,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:32,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:32,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:32,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:32,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:32,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:32,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:32,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:32,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:32,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:32,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:32,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:32,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:32,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:32,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:32,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:32,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:32,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:32,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:32,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:32,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:32,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:32,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:32,544 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:32,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:32,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:32,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:32,552 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:32,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:32,555 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:32,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:32,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:32,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:32,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:32,560 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:32,560 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:32,561 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:32,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:32,561 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:32,563 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:32,563 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:32,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:32,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:32,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:32,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:32,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:32,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:32,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:32,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:32,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:32,569 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 -> b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 [2019-11-27 17:45:33,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:33,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:33,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:33,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:33,184 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:33,185 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-27 17:45:33,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b5c1226/93f83dfaee544cf68fdbfa1d70c8d746/FLAG06f123ea2 [2019-11-27 17:45:34,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:34,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-27 17:45:34,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b5c1226/93f83dfaee544cf68fdbfa1d70c8d746/FLAG06f123ea2 [2019-11-27 17:45:34,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b5c1226/93f83dfaee544cf68fdbfa1d70c8d746 [2019-11-27 17:45:34,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:34,729 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:34,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:34,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:34,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:34,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc7aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34, skipping insertion in model container [2019-11-27 17:45:34,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:34,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:35,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:35,829 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:35,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:36,111 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:36,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:36 WrapperNode [2019-11-27 17:45:36,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:36,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:36,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:36,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:36,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:36,340 INFO L168 Benchmark]: Toolchain (without parser) took 1602.68 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 17:45:36,341 INFO L168 Benchmark]: CDTParser took 2.16 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 17:45:36,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1385.55 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. [2019-11-27 17:45:36,352 INFO L168 Benchmark]: Boogie Preprocessor took 205.35 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 17:45:36,359 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.16 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 1385.55 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 205.35 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 0.1.24-509859d [2019-11-27 17:45:40,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:40,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:40,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:40,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:40,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:40,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:40,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:40,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:40,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:40,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:40,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:40,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:40,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:40,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:40,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:40,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:40,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:40,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:40,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:40,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:40,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:40,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:40,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:40,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:40,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:40,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:40,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:40,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:40,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:40,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:40,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:40,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:40,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:40,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:40,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:40,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:40,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:40,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:40,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:40,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:40,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:40,512 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:40,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:40,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:40,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:40,522 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:40,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:40,522 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:40,523 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:40,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:40,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:40,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:40,527 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:40,527 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:40,528 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:40,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:40,530 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:40,531 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:40,531 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:40,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:40,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:40,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:40,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:40,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:40,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:40,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:40,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:40,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:40,538 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:40,538 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:40,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:40,540 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 -> b873ab0fa5dbe521b35ba5285456d1a3fc5a6f41 [2019-11-27 17:45:41,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:41,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:41,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:41,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:41,169 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:41,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-27 17:45:41,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0375fef96/21874f194b324426a6dcc6d80f2eabea/FLAG1bc425a8c [2019-11-27 17:45:42,469 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:42,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-27 17:45:42,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0375fef96/21874f194b324426a6dcc6d80f2eabea/FLAG1bc425a8c [2019-11-27 17:45:42,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0375fef96/21874f194b324426a6dcc6d80f2eabea [2019-11-27 17:45:42,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:42,559 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:42,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:42,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:42,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:42,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:42,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:42, skipping insertion in model container [2019-11-27 17:45:42,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:42" (1/1) ... [2019-11-27 17:45:42,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:42,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:43,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:43,694 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:43,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:43,988 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:43,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43 WrapperNode [2019-11-27 17:45:43,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:43,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:43,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:43,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:44,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:44,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:44,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:44,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:44,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:44,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:44,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:43" (1/1) ... [2019-11-27 17:45:44,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:44,163 INFO L168 Benchmark]: Toolchain (without parser) took 1600.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:44,164 INFO L168 Benchmark]: CDTParser took 2.72 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 17:45:44,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1425.86 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 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 17:45:44,178 INFO L168 Benchmark]: Boogie Preprocessor took 165.88 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 17:45:44,198 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.72 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 1425.86 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 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 165.88 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...