./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/substring-alloca-2.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/array-memsafety/substring-alloca-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 6e748b563bb7a11726b28f7957ce1a00b7c8807b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/array-memsafety/substring-alloca-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 6e748b563bb7a11726b28f7957ce1a00b7c8807b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:43:14,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:14,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:14,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:14,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:14,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:14,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:14,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:14,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:14,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:14,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:14,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:14,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:14,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:14,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:14,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:14,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:14,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:14,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:14,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:14,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:14,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:14,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:14,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:14,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:14,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:14,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:14,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:14,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:14,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:14,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:14,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:14,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:14,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:14,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:14,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:14,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:14,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:14,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:14,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:14,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:14,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:14,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:14,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:14,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:14,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:14,823 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:14,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:14,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:14,825 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:14,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:14,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:14,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:14,831 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:14,831 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:14,832 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:14,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:14,833 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:14,833 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:14,833 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:14,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:14,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:14,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:14,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:14,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:14,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:14,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:14,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:14,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:14,839 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 -> 6e748b563bb7a11726b28f7957ce1a00b7c8807b [2019-11-27 17:43:15,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:15,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:15,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:15,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:15,398 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:15,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2019-11-27 17:43:15,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804159c8e/40eb325884d540d08b729a71990d3170/FLAGa1d76c2e4 [2019-11-27 17:43:16,818 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:16,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2019-11-27 17:43:16,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804159c8e/40eb325884d540d08b729a71990d3170/FLAGa1d76c2e4 [2019-11-27 17:43:16,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804159c8e/40eb325884d540d08b729a71990d3170 [2019-11-27 17:43:16,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:16,919 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:16,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:16,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:16,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:16,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:16" (1/1) ... [2019-11-27 17:43:16,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f374e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:16, skipping insertion in model container [2019-11-27 17:43:16,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:16" (1/1) ... [2019-11-27 17:43:16,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:17,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:17,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:18,001 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:18,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:18,258 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:18,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18 WrapperNode [2019-11-27 17:43:18,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:18,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:18,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:18,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:18,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:18" (1/1) ... [2019-11-27 17:43:18,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:18,485 INFO L168 Benchmark]: Toolchain (without parser) took 1558.28 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 17:43:18,488 INFO L168 Benchmark]: CDTParser took 0.67 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 17:43:18,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1343.39 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 17:43:18,497 INFO L168 Benchmark]: Boogie Preprocessor took 208.23 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 17:43:18,505 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 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 1343.39 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 208.23 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 17:43:22,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:22,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:22,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:22,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:22,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:22,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:22,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:22,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:22,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:22,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:22,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:22,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:22,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:22,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:22,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:22,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:22,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:22,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:22,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:22,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:22,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:22,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:22,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:22,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:22,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:22,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:22,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:22,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:22,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:22,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:22,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:22,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:22,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:22,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:22,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:22,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:22,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:22,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:22,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:22,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:22,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:22,581 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:22,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:22,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:22,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:22,590 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:22,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:22,591 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:22,591 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:22,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:22,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:22,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:22,596 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:22,597 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:22,597 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:22,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:22,598 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:22,598 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:22,599 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:22,599 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:22,601 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:22,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:22,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:22,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:22,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:22,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:22,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:22,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:22,607 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:22,607 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:22,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:22,608 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 -> 6e748b563bb7a11726b28f7957ce1a00b7c8807b [2019-11-27 17:43:23,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:23,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:23,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:23,220 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:23,226 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:23,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2019-11-27 17:43:23,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414172576/cfdf5acd87524701825c2d1c6f997233/FLAG86dc6f592 [2019-11-27 17:43:24,611 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:24,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2019-11-27 17:43:24,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414172576/cfdf5acd87524701825c2d1c6f997233/FLAG86dc6f592 [2019-11-27 17:43:24,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414172576/cfdf5acd87524701825c2d1c6f997233 [2019-11-27 17:43:24,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:24,705 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:24,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:24,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:24,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:24,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:24" (1/1) ... [2019-11-27 17:43:24,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f374e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:24, skipping insertion in model container [2019-11-27 17:43:24,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:24" (1/1) ... [2019-11-27 17:43:24,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:24,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:25,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:25,899 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:26,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:26,179 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:26,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26 WrapperNode [2019-11-27 17:43:26,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:26,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:26,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:26,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:26,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:26" (1/1) ... [2019-11-27 17:43:26,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:26,427 INFO L168 Benchmark]: Toolchain (without parser) took 1718.04 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 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:26,428 INFO L168 Benchmark]: CDTParser took 0.42 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 17:43:26,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1473.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:26,434 INFO L168 Benchmark]: Boogie Preprocessor took 236.60 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:26,441 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1473.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 236.60 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...