./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-properties/simple-2.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-properties/simple-2.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 17ff5ae56efea2deac29e7fa779d53a24810a7c7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-properties/simple-2.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 17ff5ae56efea2deac29e7fa779d53a24810a7c7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:15,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:15,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:15,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:15,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:15,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:15,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:15,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:15,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:15,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:15,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:15,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:15,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:16,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:16,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:16,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:16,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:16,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:16,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:16,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:16,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:16,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:16,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:16,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:16,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:16,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:16,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:16,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:16,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:16,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:16,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:16,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:16,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:16,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:16,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:16,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:16,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:16,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:16,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:16,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:16,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:16,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:16,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:16,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:16,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:16,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:16,159 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:16,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:16,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:16,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:16,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:16,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:16,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:16,166 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:16,166 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:16,167 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:16,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:16,167 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:16,169 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:16,169 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:16,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:16,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:16,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:16,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:16,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:16,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:16,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:16,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:16,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:16,175 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 -> 17ff5ae56efea2deac29e7fa779d53a24810a7c7 [2019-11-27 17:45:16,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:16,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:16,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:16,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:16,798 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:16,799 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple-2.i [2019-11-27 17:45:16,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83246aaf6/455d87bdc73045a8bb5bcf0fd18385de/FLAG124cb95de [2019-11-27 17:45:18,237 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:18,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple-2.i [2019-11-27 17:45:18,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83246aaf6/455d87bdc73045a8bb5bcf0fd18385de/FLAG124cb95de [2019-11-27 17:45:18,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83246aaf6/455d87bdc73045a8bb5bcf0fd18385de [2019-11-27 17:45:18,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:18,347 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:18,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:18,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:18,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:18,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4143b3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:18, skipping insertion in model container [2019-11-27 17:45:18,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:18" (1/1) ... [2019-11-27 17:45:18,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:18,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:19,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:19,489 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:19,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:19,747 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:19,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19 WrapperNode [2019-11-27 17:45:19,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:19,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:19,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:19,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:19,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:19" (1/1) ... [2019-11-27 17:45:19,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:19,928 INFO L168 Benchmark]: Toolchain (without parser) took 1571.16 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:19,940 INFO L168 Benchmark]: CDTParser took 1.95 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 17:45:19,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1396.30 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. [2019-11-27 17:45:19,947 INFO L168 Benchmark]: Boogie Preprocessor took 164.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:19,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95 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 1396.30 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 164.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:23,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:23,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:23,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:23,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:23,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:23,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:23,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:23,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:23,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:23,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:23,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:24,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:24,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:24,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:24,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:24,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:24,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:24,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:24,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:24,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:24,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:24,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:24,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:24,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:24,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:24,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:24,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:24,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:24,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:24,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:24,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:24,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:24,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:24,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:24,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:24,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:24,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:24,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:24,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:24,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:24,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:24,152 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:24,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:24,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:24,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:24,162 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:24,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:24,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:24,163 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:24,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:24,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:24,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:24,165 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:24,167 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:24,167 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:24,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:24,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:24,171 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:24,171 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:24,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:24,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:24,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:24,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:24,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:24,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:24,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:24,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:24,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:24,177 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:24,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:24,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:24,179 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 -> 17ff5ae56efea2deac29e7fa779d53a24810a7c7 [2019-11-27 17:45:24,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:24,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:24,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:24,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:24,791 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:24,793 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple-2.i [2019-11-27 17:45:24,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d752e8b3/f09f3b27f75041419e1838c26e5f1863/FLAG98b79d72a [2019-11-27 17:45:26,114 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:26,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple-2.i [2019-11-27 17:45:26,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d752e8b3/f09f3b27f75041419e1838c26e5f1863/FLAG98b79d72a [2019-11-27 17:45:26,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d752e8b3/f09f3b27f75041419e1838c26e5f1863 [2019-11-27 17:45:26,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:26,681 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:26,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:26,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:26,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:26,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91324ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:26, skipping insertion in model container [2019-11-27 17:45:26,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:26" (1/1) ... [2019-11-27 17:45:26,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:26,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:27,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:27,824 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:27,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:28,087 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:28,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:28 WrapperNode [2019-11-27 17:45:28,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:28,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:28,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:28,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:28,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:28" (1/1) ... [2019-11-27 17:45:28,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:28" (1/1) ... [2019-11-27 17:45:28,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:28" (1/1) ... [2019-11-27 17:45:28,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:28" (1/1) ... [2019-11-27 17:45:28,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:28" (1/1) ... [2019-11-27 17:45:28,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:28" (1/1) ... [2019-11-27 17:45:28,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:28" (1/1) ... [2019-11-27 17:45:28,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:28,292 INFO L168 Benchmark]: Toolchain (without parser) took 1612.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:28,299 INFO L168 Benchmark]: CDTParser took 0.86 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 17:45:28,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1408.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:28,301 INFO L168 Benchmark]: Boogie Preprocessor took 194.85 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:28,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 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 1408.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.85 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...