./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext3/derefAfterFree1.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/derefAfterFree1.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 d452f938d74713dbff7e0330f8ef393409d67ffe ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/derefAfterFree1.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 d452f938d74713dbff7e0330f8ef393409d67ffe ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:46:11,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:11,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:11,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:11,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:11,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:11,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:11,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:11,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:11,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:11,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:11,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:11,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:11,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:11,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:11,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:11,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:11,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:11,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:11,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:11,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:11,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:11,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:11,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:11,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:11,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:11,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:11,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:11,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:11,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:11,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:11,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:11,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:11,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:11,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:11,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:11,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:11,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:11,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:11,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:11,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:11,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:46:11,821 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:11,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:11,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:11,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:11,828 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:11,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:11,830 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:11,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:11,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:11,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:11,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:11,834 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:11,835 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:11,835 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:11,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:11,839 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:11,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:11,840 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:11,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:11,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:11,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:11,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:11,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:11,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:11,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:11,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:11,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:11,844 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 -> d452f938d74713dbff7e0330f8ef393409d67ffe [2019-11-27 17:46:12,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:12,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:12,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:12,479 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:12,483 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:12,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/derefAfterFree1.c [2019-11-27 17:46:12,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57c009140/9caa39e63fc6469e887a8b86b1cdae04/FLAG2da98d186 [2019-11-27 17:46:13,616 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:13,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/derefAfterFree1.c [2019-11-27 17:46:13,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57c009140/9caa39e63fc6469e887a8b86b1cdae04/FLAG2da98d186 [2019-11-27 17:46:13,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57c009140/9caa39e63fc6469e887a8b86b1cdae04 [2019-11-27 17:46:13,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:13,686 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:13,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:13,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:13,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:13,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@153821d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13, skipping insertion in model container [2019-11-27 17:46:13,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:13,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:14,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:14,212 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:14,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:14,282 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:14,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:14 WrapperNode [2019-11-27 17:46:14,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:14,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:14,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:14,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:14,379 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 17:46:14,380 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 17:46:14,400 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 17:46:14,401 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 17:46:14,420 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 17:46:14,424 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 17:46:14,432 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 17:46:14,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:14,449 INFO L168 Benchmark]: Toolchain (without parser) took 760.29 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:14,451 INFO L168 Benchmark]: CDTParser took 1.79 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 17:46:14,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.24 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:14,458 INFO L168 Benchmark]: Boogie Preprocessor took 152.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 991.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:14,468 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79 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 597.24 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 152.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 991.2 MB in the end (delta: -41.1 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 17:46:18,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:18,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:18,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:18,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:18,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:18,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:18,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:18,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:18,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:18,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:18,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:18,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:18,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:18,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:18,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:18,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:18,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:18,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:18,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:18,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:18,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:18,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:18,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:18,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:18,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:18,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:18,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:18,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:18,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:18,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:18,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:18,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:18,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:18,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:18,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:18,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:18,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:18,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:18,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:18,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:18,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:46:18,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:18,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:18,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:18,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:18,603 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:18,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:18,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:18,606 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:18,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:18,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:18,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:18,610 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:18,610 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:18,610 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:18,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:18,613 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:18,613 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:18,614 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:18,614 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:18,614 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:18,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:18,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:18,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:18,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:18,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:18,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:18,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:18,620 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:18,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:18,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:18,624 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 -> d452f938d74713dbff7e0330f8ef393409d67ffe [2019-11-27 17:46:19,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:19,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:19,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:19,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:19,240 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:19,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/derefAfterFree1.c [2019-11-27 17:46:19,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/456012de6/b7f1d3b67b764a08881d596d1ebca35d/FLAGc03a9ccdc [2019-11-27 17:46:20,429 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:20,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/derefAfterFree1.c [2019-11-27 17:46:20,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/456012de6/b7f1d3b67b764a08881d596d1ebca35d/FLAGc03a9ccdc [2019-11-27 17:46:20,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/456012de6/b7f1d3b67b764a08881d596d1ebca35d [2019-11-27 17:46:20,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:20,632 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:20,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:20,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:20,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:20,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:20" (1/1) ... [2019-11-27 17:46:20,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1aada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:20, skipping insertion in model container [2019-11-27 17:46:20,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:20" (1/1) ... [2019-11-27 17:46:20,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:20,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:21,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:21,104 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:21,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:21,181 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:21,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:21 WrapperNode [2019-11-27 17:46:21,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:21,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:21,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:21,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:21,287 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 17:46:21,288 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 17:46:21,307 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 17:46:21,307 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 17:46:21,327 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 17:46:21,328 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 17:46:21,336 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 17:46:21,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:21,345 INFO L168 Benchmark]: Toolchain (without parser) took 710.65 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: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:21,347 INFO L168 Benchmark]: CDTParser took 2.73 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 17:46:21,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.83 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 17:46:21,352 INFO L168 Benchmark]: Boogie Preprocessor took 155.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:21,360 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.73 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 546.83 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 155.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...