./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/cmp-freed-ptr.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/memsafety/cmp-freed-ptr.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 3444bab46e3acd40907f623c997f9115bc97543a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/cmp-freed-ptr.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 3444bab46e3acd40907f623c997f9115bc97543a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:43:16,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:16,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:16,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:16,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:16,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:16,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:16,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:16,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:16,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:16,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:16,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:16,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:16,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:16,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:16,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:16,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:16,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:16,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:16,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:16,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:16,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:16,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:16,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:16,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:16,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:16,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:16,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:16,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:16,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:16,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:16,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:16,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:16,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:16,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:16,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:16,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:16,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:16,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:16,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:16,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:16,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:16,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:16,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:16,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:16,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:16,525 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:16,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:16,526 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:16,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:16,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:16,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:16,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:16,530 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:16,530 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:16,531 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:16,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:16,531 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:16,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:16,532 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:16,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:16,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:16,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:16,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:16,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:16,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:16,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:16,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:16,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:16,536 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 -> 3444bab46e3acd40907f623c997f9115bc97543a [2019-11-27 17:43:16,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:16,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:16,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:17,001 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:17,003 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:17,004 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/cmp-freed-ptr.i [2019-11-27 17:43:17,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f9ee441/f24a38fd92ce471cad68f2cbf1c1523f/FLAG12ad30ef2 [2019-11-27 17:43:17,940 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:17,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/cmp-freed-ptr.i [2019-11-27 17:43:17,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f9ee441/f24a38fd92ce471cad68f2cbf1c1523f/FLAG12ad30ef2 [2019-11-27 17:43:18,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f9ee441/f24a38fd92ce471cad68f2cbf1c1523f [2019-11-27 17:43:18,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:18,134 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:18,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:18,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:18,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:18,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc5c18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18, skipping insertion in model container [2019-11-27 17:43:18,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:18,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:18,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:18,856 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:18,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:19,021 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:19,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19 WrapperNode [2019-11-27 17:43:19,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:19,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:19,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:19,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:19,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:19" (1/1) ... [2019-11-27 17:43:19,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:19,150 INFO L168 Benchmark]: Toolchain (without parser) took 1002.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:19,151 INFO L168 Benchmark]: CDTParser took 1.69 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 17:43:19,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 884.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:19,159 INFO L168 Benchmark]: Boogie Preprocessor took 104.17 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. [2019-11-27 17:43:19,161 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69 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 884.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.17 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 0.1.24-509859d [2019-11-27 17:43:21,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:21,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:21,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:21,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:21,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:21,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:21,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:21,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:21,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:21,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:21,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:21,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:21,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:21,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:21,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:21,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:21,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:21,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:21,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:21,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:21,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:21,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:21,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:21,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:21,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:21,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:21,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:21,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:21,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:21,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:21,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:21,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:21,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:21,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:21,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:21,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:21,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:21,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:21,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:21,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:21,933 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:21,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:21,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:21,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:21,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:21,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:21,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:21,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:21,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:21,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:21,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:21,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:21,971 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:21,972 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:21,972 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:21,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:21,974 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:21,974 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:21,974 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:21,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:21,975 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:21,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:21,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:21,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:21,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:21,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:21,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:21,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:21,977 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:21,978 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:21,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:21,980 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 -> 3444bab46e3acd40907f623c997f9115bc97543a [2019-11-27 17:43:22,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:22,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:22,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:22,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:22,435 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:22,437 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/cmp-freed-ptr.i [2019-11-27 17:43:22,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b930c4531/f0afa5eb080543d38eeca67bd7778566/FLAG5c38030da [2019-11-27 17:43:23,349 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:23,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/cmp-freed-ptr.i [2019-11-27 17:43:23,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b930c4531/f0afa5eb080543d38eeca67bd7778566/FLAG5c38030da [2019-11-27 17:43:23,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b930c4531/f0afa5eb080543d38eeca67bd7778566 [2019-11-27 17:43:23,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:23,563 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:23,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:23,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:23,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:23,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:23" (1/1) ... [2019-11-27 17:43:23,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1b8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:23, skipping insertion in model container [2019-11-27 17:43:23,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:23" (1/1) ... [2019-11-27 17:43:23,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:23,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:24,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:24,296 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:24,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:24,474 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:24,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:24 WrapperNode [2019-11-27 17:43:24,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:24,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:24,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:24,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:24,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:24" (1/1) ... [2019-11-27 17:43:24,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:24" (1/1) ... [2019-11-27 17:43:24,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:24" (1/1) ... [2019-11-27 17:43:24,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:24" (1/1) ... [2019-11-27 17:43:24,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:24" (1/1) ... [2019-11-27 17:43:24,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:24" (1/1) ... [2019-11-27 17:43:24,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:24" (1/1) ... [2019-11-27 17:43:24,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:24,603 INFO L168 Benchmark]: Toolchain (without parser) took 1038.70 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: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:24,606 INFO L168 Benchmark]: CDTParser took 0.25 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 17:43:24,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 904.06 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: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:24,618 INFO L168 Benchmark]: Boogie Preprocessor took 124.46 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. [2019-11-27 17:43:24,624 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 904.06 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: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 124.46 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...