./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2n_append_equal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2n_append_equal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:45:44,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:44,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:44,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:44,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:44,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:44,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:44,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:44,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:44,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:44,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:44,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:44,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:44,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:44,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:44,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:44,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:44,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:44,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:44,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:44,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:44,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:44,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:44,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:44,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:44,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:44,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:44,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:44,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:44,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:44,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:44,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:44,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:44,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:44,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:44,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:44,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:44,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:44,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:44,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:44,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:44,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:44,902 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:44,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:44,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:44,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:44,909 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:44,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:44,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:44,911 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:44,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:44,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:44,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:44,914 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:44,916 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:44,916 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:44,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:44,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:44,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:44,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:44,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:44,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:44,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:44,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:44,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:44,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:44,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:44,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:44,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:44,925 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 -> 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 [2019-11-27 17:45:45,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:45,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:45,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:45,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:45,613 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:45,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-27 17:45:45,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb17b882/5969614b5d6a47f3b9bb9454e978e33b/FLAG61a9b5ef7 [2019-11-27 17:45:46,978 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:46,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-27 17:45:47,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb17b882/5969614b5d6a47f3b9bb9454e978e33b/FLAG61a9b5ef7 [2019-11-27 17:45:47,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb17b882/5969614b5d6a47f3b9bb9454e978e33b [2019-11-27 17:45:47,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:47,070 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:47,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:47,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:47,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:47,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47, skipping insertion in model container [2019-11-27 17:45:47,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:47,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:48,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:48,123 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:48,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:48,396 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:48,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48 WrapperNode [2019-11-27 17:45:48,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:48,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:48,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:48,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:48,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:48" (1/1) ... [2019-11-27 17:45:48,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:48,608 INFO L168 Benchmark]: Toolchain (without parser) took 1529.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 962.5 MB in the end (delta: -802.0 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:48,612 INFO L168 Benchmark]: CDTParser took 0.64 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 17:45:48,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1326.87 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:48,628 INFO L168 Benchmark]: Boogie Preprocessor took 197.46 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. [2019-11-27 17:45:48,640 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 1326.87 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 197.46 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 0.1.24-509859d [2019-11-27 17:45:52,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:52,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:52,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:52,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:52,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:52,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:52,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:52,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:52,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:52,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:52,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:52,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:52,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:52,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:52,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:52,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:52,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:52,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:52,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:52,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:52,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:52,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:52,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:52,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:52,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:52,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:52,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:52,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:52,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:52,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:52,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:52,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:52,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:52,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:52,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:52,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:52,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:52,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:52,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:52,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:52,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:52,774 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:52,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:52,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:52,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:52,783 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:52,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:52,784 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:52,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:52,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:52,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:52,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:52,790 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:52,790 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:52,793 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:52,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:52,793 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:52,795 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:52,795 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:52,795 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:52,796 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:52,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:52,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:52,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:52,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:52,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:52,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:52,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:52,801 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:52,802 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:52,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:52,805 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 -> 1c66d86f2cb93b92fe110cb1d9c29158a00f0747 [2019-11-27 17:45:53,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:53,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:53,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:53,388 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:53,392 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:53,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-27 17:45:53,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/509c31372/4cd7f4d536a046bfa83d8ee575457089/FLAGde38dacda [2019-11-27 17:45:54,717 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:54,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_append_equal.i [2019-11-27 17:45:54,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/509c31372/4cd7f4d536a046bfa83d8ee575457089/FLAGde38dacda [2019-11-27 17:45:54,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/509c31372/4cd7f4d536a046bfa83d8ee575457089 [2019-11-27 17:45:54,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:54,840 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:54,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:54,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:54,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:54,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:54, skipping insertion in model container [2019-11-27 17:45:54,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:54" (1/1) ... [2019-11-27 17:45:54,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:54,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:55,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:55,917 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:56,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:56,207 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:56,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56 WrapperNode [2019-11-27 17:45:56,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:56,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:56,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:56,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:56,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:56" (1/1) ... [2019-11-27 17:45:56,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:56,439 INFO L168 Benchmark]: Toolchain (without parser) took 1593.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 17:45:56,443 INFO L168 Benchmark]: CDTParser took 0.73 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 17:45:56,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1369.01 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 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:56,447 INFO L168 Benchmark]: Boogie Preprocessor took 216.22 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 17:45:56,463 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 1369.01 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 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 216.22 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...