./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/960521-1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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/960521-1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23619599fdd38727ef203e0659e9a36fd8a9395d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/960521-1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23619599fdd38727ef203e0659e9a36fd8a9395d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:20:51,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:51,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:51,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:51,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:51,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:51,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:51,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:51,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:51,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:51,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:51,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:51,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:51,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:51,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:51,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:51,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:51,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:51,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:51,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:51,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:51,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:51,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:51,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:51,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:51,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:51,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:51,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:51,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:51,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:51,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:51,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:51,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:51,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:51,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:51,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:51,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:51,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:51,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:51,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:51,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:51,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:51,692 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:51,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:51,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:51,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:51,701 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:51,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:51,703 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:51,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:51,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:51,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:51,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:51,708 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:51,708 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:51,709 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:51,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:51,711 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:51,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:51,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:51,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:51,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:51,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:51,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:51,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:51,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:51,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:51,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:51,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:51,719 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 -> 23619599fdd38727ef203e0659e9a36fd8a9395d [2019-11-27 11:20:52,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:52,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:52,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:52,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:52,310 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:52,312 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-27 11:20:52,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8642b10ff/c708a74dcc8d4f48832549b88913c992/FLAGf64d119e5 [2019-11-27 11:20:53,655 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:53,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-27 11:20:53,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8642b10ff/c708a74dcc8d4f48832549b88913c992/FLAGf64d119e5 [2019-11-27 11:20:53,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8642b10ff/c708a74dcc8d4f48832549b88913c992 [2019-11-27 11:20:53,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:53,744 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:53,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:53,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:53,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:53,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7694153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:53, skipping insertion in model container [2019-11-27 11:20:53,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:53" (1/1) ... [2019-11-27 11:20:53,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:53,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:54,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:54,801 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:54,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:55,040 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:55,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55 WrapperNode [2019-11-27 11:20:55,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:55,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:55,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:55,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:55,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:55" (1/1) ... [2019-11-27 11:20:55,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:55,216 INFO L168 Benchmark]: Toolchain (without parser) took 1464.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:55,224 INFO L168 Benchmark]: CDTParser took 3.41 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 11:20:55,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1293.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:55,229 INFO L168 Benchmark]: Boogie Preprocessor took 161.23 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:55,236 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.41 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 1293.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 161.23 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:20:59,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:59,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:59,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:59,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:59,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:59,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:59,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:59,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:59,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:59,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:59,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:59,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:59,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:59,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:59,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:59,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:59,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:59,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:59,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:59,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:59,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:59,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:59,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:59,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:59,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:59,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:59,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:59,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:59,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:59,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:59,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:59,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:59,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:59,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:59,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:59,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:59,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:59,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:59,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:59,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:59,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:59,599 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:59,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:59,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:59,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:59,609 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:59,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:59,611 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:59,611 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:59,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:59,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:59,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:59,616 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:59,617 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:59,617 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:59,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:59,618 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:59,619 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:59,619 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:59,622 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:59,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:59,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:59,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:59,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:59,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:59,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:59,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:59,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:59,627 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:59,627 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:59,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:59,628 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 -> 23619599fdd38727ef203e0659e9a36fd8a9395d [2019-11-27 11:21:00,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:00,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:00,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:00,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:00,103 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:00,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-27 11:21:00,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5c8b36f4/657622d7556444248d9fe732a6883a72/FLAGcd79c3684 [2019-11-27 11:21:01,456 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:01,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/960521-1-2.i [2019-11-27 11:21:01,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5c8b36f4/657622d7556444248d9fe732a6883a72/FLAGcd79c3684 [2019-11-27 11:21:01,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5c8b36f4/657622d7556444248d9fe732a6883a72 [2019-11-27 11:21:01,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:01,567 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:01,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:01,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:01,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:01,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f87cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:01, skipping insertion in model container [2019-11-27 11:21:01,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:01" (1/1) ... [2019-11-27 11:21:01,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:01,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:02,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:02,680 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:02,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:02,946 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:02,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02 WrapperNode [2019-11-27 11:21:02,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:02,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:02,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:02,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:02,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:02,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:03,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:03,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:03,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:03,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:03,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:02" (1/1) ... [2019-11-27 11:21:03,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:03,168 INFO L168 Benchmark]: Toolchain (without parser) took 1604.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:03,171 INFO L168 Benchmark]: CDTParser took 1.41 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 11:21:03,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1376.21 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 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:03,183 INFO L168 Benchmark]: Boogie Preprocessor took 209.93 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 11:21:03,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 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 1376.21 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 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 209.93 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...