./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c --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/memsafety-ext3/derefAfterFree2.c -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 44834c55142a76240cb3980fc2bb6f5aeaa27c83 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/memsafety-ext3/derefAfterFree2.c -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 44834c55142a76240cb3980fc2bb6f5aeaa27c83 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:46:12,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:12,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:12,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:12,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:12,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:12,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:12,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:12,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:12,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:12,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:12,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:12,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:12,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:12,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:12,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:12,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:12,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:12,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:12,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:12,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:12,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:12,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:12,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:12,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:12,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:12,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:12,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:12,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:12,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:12,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:12,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:12,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:12,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:12,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:12,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:12,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:12,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:12,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:12,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:12,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:12,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:46:12,381 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:12,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:12,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:12,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:12,390 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:12,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:12,390 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:12,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:12,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:12,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:12,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:12,393 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:12,396 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:12,396 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:12,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:12,397 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:12,397 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:12,398 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:12,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:12,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:12,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:12,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:12,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:12,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:12,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:12,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:12,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:12,404 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 -> 44834c55142a76240cb3980fc2bb6f5aeaa27c83 [2019-11-27 17:46:12,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:12,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:12,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:12,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:12,973 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:12,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2019-11-27 17:46:13,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f714d87/a1ac65aedef64f4c8615179a6b296474/FLAG809e133b4 [2019-11-27 17:46:14,068 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:14,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2019-11-27 17:46:14,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f714d87/a1ac65aedef64f4c8615179a6b296474/FLAG809e133b4 [2019-11-27 17:46:14,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f714d87/a1ac65aedef64f4c8615179a6b296474 [2019-11-27 17:46:14,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:14,264 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:14,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:14,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:14,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:14,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:14" (1/1) ... [2019-11-27 17:46:14,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5394ad8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:14, skipping insertion in model container [2019-11-27 17:46:14,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:14" (1/1) ... [2019-11-27 17:46:14,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:14,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:14,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:14,759 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:14,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:14,814 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:14,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:14 WrapperNode [2019-11-27 17:46:14,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:14,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:14,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:14,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:14,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:14" (1/1) ... [2019-11-27 17:46:14,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:14" (1/1) ... [2019-11-27 17:46:14,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:14" (1/1) ... [2019-11-27 17:46:14,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:14" (1/1) ... [2019-11-27 17:46:14,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:14" (1/1) ... [2019-11-27 17:46:14,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:14" (1/1) ... [2019-11-27 17:46:14,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:14" (1/1) ... [2019-11-27 17:46:14,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:14,988 INFO L168 Benchmark]: Toolchain (without parser) took 723.78 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:14,992 INFO L168 Benchmark]: CDTParser took 1.92 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 17:46:14,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.63 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:15,000 INFO L168 Benchmark]: Boogie Preprocessor took 161.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:15,012 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.92 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 550.63 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 161.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 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 17:46:18,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:18,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:18,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:18,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:18,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:18,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:18,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:18,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:18,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:18,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:18,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:18,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:18,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:18,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:18,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:18,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:18,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:19,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:19,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:19,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:19,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:19,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:19,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:19,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:19,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:19,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:19,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:19,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:19,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:19,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:19,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:19,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:19,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:19,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:19,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:19,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:19,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:19,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:19,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:19,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:19,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:46:19,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:19,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:19,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:19,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:19,127 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:19,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:19,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:19,128 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:19,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:19,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:19,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:19,132 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:19,135 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:19,136 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:19,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:19,136 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:19,137 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:19,137 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:19,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:19,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:19,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:19,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:19,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:19,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:19,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:19,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:19,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:19,145 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:19,146 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:19,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:19,147 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 -> 44834c55142a76240cb3980fc2bb6f5aeaa27c83 [2019-11-27 17:46:19,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:19,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:19,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:19,849 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:19,851 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:19,854 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2019-11-27 17:46:19,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8259763/433e1d3fee4b4568a976f9c81a61ca81/FLAGee195ceec [2019-11-27 17:46:20,962 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:20,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2019-11-27 17:46:20,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8259763/433e1d3fee4b4568a976f9c81a61ca81/FLAGee195ceec [2019-11-27 17:46:21,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8259763/433e1d3fee4b4568a976f9c81a61ca81 [2019-11-27 17:46:21,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:21,206 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:21,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:21,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:21,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:21,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:21,230 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 05:46:21, skipping insertion in model container [2019-11-27 17:46:21,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:21,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:21,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:21,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:21,770 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:21,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:21,853 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:21,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:21 WrapperNode [2019-11-27 17:46:21,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:21,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:21,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:21,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:21,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:21,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:21,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:21,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:22,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:22,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:22,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:22,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:22,059 INFO L168 Benchmark]: Toolchain (without parser) took 848.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:22,063 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:22,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.86 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:22,067 INFO L168 Benchmark]: Boogie Preprocessor took 191.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:22,078 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 646.86 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 191.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...