./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/960521-1_1-2.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-ext-properties/960521-1_1-2.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 eb7eb63578fa102ef7ac00d7bef40ee74bd144d9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext-properties/960521-1_1-2.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 eb7eb63578fa102ef7ac00d7bef40ee74bd144d9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:21:32,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:32,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:32,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:32,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:32,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:32,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:32,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:32,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:32,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:32,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:32,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:32,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:32,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:32,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:32,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:32,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:32,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:32,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:32,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:33,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:33,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:33,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:33,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:33,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:33,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:33,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:33,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:33,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:33,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:33,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:33,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:33,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:33,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:33,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:33,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:33,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:33,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:33,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:33,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:33,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:33,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:21:33,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:33,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:33,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:33,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:33,106 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:33,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:33,107 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:33,107 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:33,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:33,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:33,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:33,112 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:33,112 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:33,113 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:33,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:33,113 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:33,114 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:33,114 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:33,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:33,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:33,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:33,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:33,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:33,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:33,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:33,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:21:33,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:21:33,120 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 -> eb7eb63578fa102ef7ac00d7bef40ee74bd144d9 [2019-11-24 22:21:33,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:33,731 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:33,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:33,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:33,743 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:33,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/960521-1_1-2.i [2019-11-24 22:21:33,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a34a64a/a323e18a750e43eea0c25e8d88d88eaf/FLAGb1f7b24a4 [2019-11-24 22:21:35,174 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:35,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/960521-1_1-2.i [2019-11-24 22:21:35,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a34a64a/a323e18a750e43eea0c25e8d88d88eaf/FLAGb1f7b24a4 [2019-11-24 22:21:35,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a34a64a/a323e18a750e43eea0c25e8d88d88eaf [2019-11-24 22:21:35,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:35,267 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:35,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:35,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:35,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:35,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:35" (1/1) ... [2019-11-24 22:21:35,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0207cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:35, skipping insertion in model container [2019-11-24 22:21:35,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:35" (1/1) ... [2019-11-24 22:21:35,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:35,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:36,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:36,433 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:36,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:36,700 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:36,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:36 WrapperNode [2019-11-24 22:21:36,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:36,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:36,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:36,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:36,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:36" (1/1) ... [2019-11-24 22:21:36,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:36" (1/1) ... [2019-11-24 22:21:36,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:36" (1/1) ... [2019-11-24 22:21:36,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:36" (1/1) ... [2019-11-24 22:21:36,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:36" (1/1) ... [2019-11-24 22:21:36,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:36" (1/1) ... [2019-11-24 22:21:36,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:36" (1/1) ... [2019-11-24 22:21:36,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:36,923 INFO L168 Benchmark]: Toolchain (without parser) took 1647.13 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 978.2 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:36,936 INFO L168 Benchmark]: CDTParser took 0.74 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 22:21:36,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1429.57 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 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:36,945 INFO L168 Benchmark]: Boogie Preprocessor took 206.73 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:36,953 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 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 1429.57 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 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 206.73 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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 0.1.24-32f2683 [2019-11-24 22:21:40,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:40,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:40,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:40,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:40,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:40,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:41,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:41,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:41,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:41,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:41,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:41,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:41,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:41,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:41,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:41,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:41,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:41,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:41,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:41,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:41,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:41,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:41,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:41,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:41,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:41,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:41,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:41,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:41,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:41,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:41,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:41,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:41,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:41,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:41,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:41,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:41,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:41,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:41,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:41,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:41,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:21:41,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:41,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:41,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:41,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:41,185 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:41,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:41,186 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:41,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:41,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:41,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:41,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:41,189 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:41,190 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:41,191 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:41,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:41,192 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:41,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:21:41,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:21:41,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:41,195 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:41,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:41,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:41,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:41,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:41,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:41,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:41,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:41,201 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:21:41,201 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:21:41,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:21:41,203 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 -> eb7eb63578fa102ef7ac00d7bef40ee74bd144d9 [2019-11-24 22:21:41,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:41,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:41,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:41,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:41,866 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:41,869 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/960521-1_1-2.i [2019-11-24 22:21:42,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5fc8e557/e334bbb54c3344e69b313ce7a6306d29/FLAG31cd9d733 [2019-11-24 22:21:43,289 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:43,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/960521-1_1-2.i [2019-11-24 22:21:43,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5fc8e557/e334bbb54c3344e69b313ce7a6306d29/FLAG31cd9d733 [2019-11-24 22:21:43,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5fc8e557/e334bbb54c3344e69b313ce7a6306d29 [2019-11-24 22:21:43,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:43,369 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:43,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:43,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:43,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:43,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:43" (1/1) ... [2019-11-24 22:21:43,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0207cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:43, skipping insertion in model container [2019-11-24 22:21:43,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:43" (1/1) ... [2019-11-24 22:21:43,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:43,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:44,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:44,605 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:44,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:44,906 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:44,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:44 WrapperNode [2019-11-24 22:21:44,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:44,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:44,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:44,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:44,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:44" (1/1) ... [2019-11-24 22:21:44,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:44" (1/1) ... [2019-11-24 22:21:45,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:44" (1/1) ... [2019-11-24 22:21:45,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:44" (1/1) ... [2019-11-24 22:21:45,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:44" (1/1) ... [2019-11-24 22:21:45,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:44" (1/1) ... [2019-11-24 22:21:45,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:44" (1/1) ... [2019-11-24 22:21:45,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:45,151 INFO L168 Benchmark]: Toolchain (without parser) took 1776.71 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. [2019-11-24 22:21:45,152 INFO L168 Benchmark]: CDTParser took 0.45 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 22:21:45,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1523.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:45,164 INFO L168 Benchmark]: Boogie Preprocessor took 230.07 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. [2019-11-24 22:21:45,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 1523.96 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 230.07 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...