./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_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/dll2c_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 bbba94f2f04b60d63941eafbcb1f4bac5dd19069 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2c_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 bbba94f2f04b60d63941eafbcb1f4bac5dd19069 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:23:05,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:05,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:06,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:06,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:06,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:06,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:06,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:06,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:06,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:06,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:06,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:06,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:06,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:06,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:06,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:06,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:06,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:06,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:06,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:06,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:06,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:06,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:06,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:06,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:06,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:06,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:06,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:06,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:06,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:06,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:06,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:06,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:06,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:06,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:06,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:06,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:06,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:06,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:06,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:06,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:06,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:06,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:06,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:06,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:06,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:06,135 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:06,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:06,136 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:06,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:06,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:06,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:06,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:06,138 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:06,138 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:06,138 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:06,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:06,142 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:06,142 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:06,142 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:06,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:06,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:06,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:06,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:06,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:06,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:06,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:06,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:06,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:06,144 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 -> bbba94f2f04b60d63941eafbcb1f4bac5dd19069 [2019-11-24 22:23:06,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:06,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:06,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:06,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:06,618 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:06,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-24 22:23:06,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8afdf9256/48f1d27e3346405f9b0f4605534438f4/FLAG5cd2b1e30 [2019-11-24 22:23:07,572 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:07,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-24 22:23:07,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8afdf9256/48f1d27e3346405f9b0f4605534438f4/FLAG5cd2b1e30 [2019-11-24 22:23:07,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8afdf9256/48f1d27e3346405f9b0f4605534438f4 [2019-11-24 22:23:07,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:07,748 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:07,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:07,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:07,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:07,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:07" (1/1) ... [2019-11-24 22:23:07,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9372ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:07, skipping insertion in model container [2019-11-24 22:23:07,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:07" (1/1) ... [2019-11-24 22:23:07,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:07,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:08,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:08,534 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:08,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:08,740 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:08,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:08 WrapperNode [2019-11-24 22:23:08,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:08,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:08,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:08,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:08,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:08" (1/1) ... [2019-11-24 22:23:08,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:08" (1/1) ... [2019-11-24 22:23:08,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:08" (1/1) ... [2019-11-24 22:23:08,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:08" (1/1) ... [2019-11-24 22:23:08,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:08" (1/1) ... [2019-11-24 22:23:08,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:08" (1/1) ... [2019-11-24 22:23:08,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:08" (1/1) ... [2019-11-24 22:23:08,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:08,903 INFO L168 Benchmark]: Toolchain (without parser) took 1147.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 962.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:08,917 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:08,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:08,919 INFO L168 Benchmark]: Boogie Preprocessor took 148.94 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:08,924 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 987.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 148.94 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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 22:23:11,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:11,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:11,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:11,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:11,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:11,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:11,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:11,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:11,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:11,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:11,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:11,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:11,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:11,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:11,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:11,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:11,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:11,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:11,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:11,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:11,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:11,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:11,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:11,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:11,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:11,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:11,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:11,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:11,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:11,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:11,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:11,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:11,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:11,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:11,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:11,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:11,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:11,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:11,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:11,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:11,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:11,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:11,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:11,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:11,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:11,744 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:11,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:11,745 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:11,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:11,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:11,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:11,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:11,748 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:11,748 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:11,748 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:11,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:11,752 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:11,752 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:11,752 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:11,752 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:11,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:11,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:11,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:11,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:11,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:11,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:11,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:11,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:11,754 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:11,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:11,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:11,756 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 -> bbba94f2f04b60d63941eafbcb1f4bac5dd19069 [2019-11-24 22:23:12,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:12,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:12,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:12,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:12,162 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:12,166 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-24 22:23:12,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8b9fbbbb/9e94472bf9264ef39f1287d4e447ea61/FLAG3845a46db [2019-11-24 22:23:13,093 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:13,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-24 22:23:13,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8b9fbbbb/9e94472bf9264ef39f1287d4e447ea61/FLAG3845a46db [2019-11-24 22:23:13,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8b9fbbbb/9e94472bf9264ef39f1287d4e447ea61 [2019-11-24 22:23:13,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:13,277 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:13,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:13,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:13,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:13,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:13" (1/1) ... [2019-11-24 22:23:13,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509fde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:13, skipping insertion in model container [2019-11-24 22:23:13,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:13" (1/1) ... [2019-11-24 22:23:13,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:13,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:14,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:14,054 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:14,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:14,270 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:14,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:14 WrapperNode [2019-11-24 22:23:14,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:14,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:14,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:14,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:14,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:14" (1/1) ... [2019-11-24 22:23:14,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:14" (1/1) ... [2019-11-24 22:23:14,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:14" (1/1) ... [2019-11-24 22:23:14,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:14" (1/1) ... [2019-11-24 22:23:14,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:14" (1/1) ... [2019-11-24 22:23:14,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:14" (1/1) ... [2019-11-24 22:23:14,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:14" (1/1) ... [2019-11-24 22:23:14,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:14,437 INFO L168 Benchmark]: Toolchain (without parser) took 1155.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 962.5 MB in the end (delta: -2.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:14,437 INFO L168 Benchmark]: CDTParser took 0.30 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 22:23:14,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 994.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:14,454 INFO L168 Benchmark]: Boogie Preprocessor took 154.02 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:14,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 994.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 154.02 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 MB in the beginning and 962.5 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...