./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 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_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 0.1.24-32f2683 [2019-11-24 22:23:15,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:15,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:15,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:15,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:15,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:15,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:15,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:15,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:15,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:15,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:15,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:15,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:15,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:15,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:15,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:15,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:15,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:15,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:15,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:15,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:15,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:15,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:15,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:15,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:15,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:15,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:15,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:15,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:15,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:15,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:15,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:15,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:15,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:15,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:15,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:15,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:15,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:15,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:15,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:15,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:15,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:15,759 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:15,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:15,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:15,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:15,767 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:15,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:15,768 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:15,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:15,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:15,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:15,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:15,774 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:15,774 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:15,775 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:15,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:15,775 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:15,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:15,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:15,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:15,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:15,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:15,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:15,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:15,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:15,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:15,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:15,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:15,782 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 [2019-11-24 22:23:16,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:16,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:16,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:16,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:16,443 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:16,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-24 22:23:16,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9bb5ead/d4bcbb4a769547aa8b92acb8d35a50bc/FLAGeece5704d [2019-11-24 22:23:17,888 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:17,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-24 22:23:17,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9bb5ead/d4bcbb4a769547aa8b92acb8d35a50bc/FLAGeece5704d [2019-11-24 22:23:17,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9bb5ead/d4bcbb4a769547aa8b92acb8d35a50bc [2019-11-24 22:23:17,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:17,985 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:17,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:17,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:17,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:18,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:17" (1/1) ... [2019-11-24 22:23:18,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:18, skipping insertion in model container [2019-11-24 22:23:18,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:17" (1/1) ... [2019-11-24 22:23:18,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:18,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:19,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:19,153 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:19,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:19,443 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:19,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:19 WrapperNode [2019-11-24 22:23:19,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:19,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:19,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:19,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:19,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:19" (1/1) ... [2019-11-24 22:23:19,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:19" (1/1) ... [2019-11-24 22:23:19,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:19" (1/1) ... [2019-11-24 22:23:19,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:19" (1/1) ... [2019-11-24 22:23:19,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:19" (1/1) ... [2019-11-24 22:23:19,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:19" (1/1) ... [2019-11-24 22:23:19,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:19" (1/1) ... [2019-11-24 22:23:19,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:19,666 INFO L168 Benchmark]: Toolchain (without parser) took 1671.08 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 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:19,672 INFO L168 Benchmark]: CDTParser took 0.99 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 22:23:19,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1456.84 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:19,681 INFO L168 Benchmark]: Boogie Preprocessor took 204.33 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 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 22:23:19,692 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 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 1456.84 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 204.33 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:23,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:23,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:23,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:23,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:23,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:23,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:23,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:23,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:23,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:23,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:23,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:23,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:23,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:23,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:23,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:23,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:23,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:23,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:23,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:23,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:23,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:23,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:23,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:23,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:23,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:23,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:23,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:23,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:23,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:23,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:23,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:23,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:23,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:23,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:23,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:23,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:23,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:23,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:23,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:23,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:23,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:23,810 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:23,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:23,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:23,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:23,821 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:23,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:23,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:23,826 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:23,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:23,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:23,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:23,828 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:23,831 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:23,834 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:23,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:23,835 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:23,835 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:23,835 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:23,835 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:23,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:23,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:23,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:23,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:23,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:23,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:23,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:23,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:23,841 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:23,842 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:23,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:23,844 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 [2019-11-24 22:23:24,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:24,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:24,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:24,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:24,485 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:24,487 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-24 22:23:24,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3542cc63/0f37ad6f78c841f3a7fcc23d4debaed8/FLAGa50cc552e [2019-11-24 22:23:25,928 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:25,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2019-11-24 22:23:25,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3542cc63/0f37ad6f78c841f3a7fcc23d4debaed8/FLAGa50cc552e [2019-11-24 22:23:26,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3542cc63/0f37ad6f78c841f3a7fcc23d4debaed8 [2019-11-24 22:23:26,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:26,022 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:26,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:26,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:26,036 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 22:23:26,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52e31a 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 22:23:26,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:26" (1/1) ... [2019-11-24 22:23:26,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:26,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:27,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:27,210 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:27,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:27,514 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:27,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:27 WrapperNode [2019-11-24 22:23:27,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:27,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:27,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:27,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:27,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:27" (1/1) ... [2019-11-24 22:23:27,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:27" (1/1) ... [2019-11-24 22:23:27,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:27" (1/1) ... [2019-11-24 22:23:27,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:27" (1/1) ... [2019-11-24 22:23:27,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:27" (1/1) ... [2019-11-24 22:23:27,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:27" (1/1) ... [2019-11-24 22:23:27,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:27" (1/1) ... [2019-11-24 22:23:27,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:27,728 INFO L168 Benchmark]: Toolchain (without parser) took 1699.31 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 966.7 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:27,729 INFO L168 Benchmark]: CDTParser took 0.37 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 22:23:27,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1490.84 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. [2019-11-24 22:23:27,732 INFO L168 Benchmark]: Boogie Preprocessor took 198.30 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:27,755 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1490.84 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 198.30 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 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...