./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/heap-manipulation/merge_sort-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/heap-manipulation/merge_sort-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 e6399ca05df7547b7620299987a8a06e9e2c006b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/heap-manipulation/merge_sort-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 e6399ca05df7547b7620299987a8a06e9e2c006b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:22:33,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:33,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:33,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:33,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:33,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:33,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:33,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:33,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:33,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:33,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:33,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:33,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:33,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:33,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:33,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:33,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:33,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:33,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:33,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:33,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:33,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:33,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:33,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:33,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:33,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:33,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:33,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:33,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:33,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:33,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:33,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:33,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:33,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:33,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:33,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:33,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:33,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:33,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:33,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:33,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:33,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:33,607 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:33,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:33,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:33,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:33,615 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:33,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:33,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:33,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:33,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:33,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:33,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:33,622 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:33,622 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:33,623 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:33,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:33,623 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:33,624 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:33,627 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:33,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:33,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:33,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:33,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:33,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:33,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:33,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:33,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:33,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:33,632 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 -> e6399ca05df7547b7620299987a8a06e9e2c006b [2019-11-27 11:22:34,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:34,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:34,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:34,282 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:34,282 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:34,283 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 11:22:34,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0153f6404/5b77c5818ce04f689b4ec839203df469/FLAGc2848b083 [2019-11-27 11:22:35,702 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:35,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 11:22:35,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0153f6404/5b77c5818ce04f689b4ec839203df469/FLAGc2848b083 [2019-11-27 11:22:35,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0153f6404/5b77c5818ce04f689b4ec839203df469 [2019-11-27 11:22:35,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:35,796 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:35,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:35,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:35,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:35,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:35" (1/1) ... [2019-11-27 11:22:35,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db81b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:35, skipping insertion in model container [2019-11-27 11:22:35,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:35" (1/1) ... [2019-11-27 11:22:35,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:35,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:36,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:36,914 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:37,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:37,222 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:37,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:37 WrapperNode [2019-11-27 11:22:37,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:37,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:37,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:37,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:37,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:37" (1/1) ... [2019-11-27 11:22:37,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:37" (1/1) ... [2019-11-27 11:22:37,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:37" (1/1) ... [2019-11-27 11:22:37,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:37" (1/1) ... [2019-11-27 11:22:37,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:37" (1/1) ... [2019-11-27 11:22:37,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:37" (1/1) ... [2019-11-27 11:22:37,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:37" (1/1) ... [2019-11-27 11:22:37,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:37,479 INFO L168 Benchmark]: Toolchain (without parser) took 1674.20 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 962.5 MB in the end (delta: -798.2 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:37,490 INFO L168 Benchmark]: CDTParser took 1.80 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 11:22:37,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1422.71 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:37,498 INFO L168 Benchmark]: Boogie Preprocessor took 238.20 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:37,507 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80 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 1422.71 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 238.20 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:22:41,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:41,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:41,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:41,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:41,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:41,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:41,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:41,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:41,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:41,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:41,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:41,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:41,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:41,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:41,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:41,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:41,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:41,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:41,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:41,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:41,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:41,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:41,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:41,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:41,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:41,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:41,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:41,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:41,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:41,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:41,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:41,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:41,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:41,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:41,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:41,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:41,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:41,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:41,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:41,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:41,762 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:22:41,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:41,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:41,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:41,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:41,814 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:41,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:41,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:41,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:41,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:41,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:41,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:41,820 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:41,820 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:41,821 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:41,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:41,821 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:41,822 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:22:41,822 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:22:41,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:41,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:41,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:41,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:41,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:41,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:41,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:41,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:41,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:41,828 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:22:41,828 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:22:41,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:22:41,832 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 -> e6399ca05df7547b7620299987a8a06e9e2c006b [2019-11-27 11:22:42,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:42,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:42,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:42,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:42,484 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:42,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 11:22:42,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66370abad/6489ab9cda5d4f97abdfe21e8fd4fd41/FLAG28854be50 [2019-11-27 11:22:43,812 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:43,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 11:22:43,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66370abad/6489ab9cda5d4f97abdfe21e8fd4fd41/FLAG28854be50 [2019-11-27 11:22:44,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66370abad/6489ab9cda5d4f97abdfe21e8fd4fd41 [2019-11-27 11:22:44,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:44,318 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:44,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:44,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:44,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:44,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58411de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44, skipping insertion in model container [2019-11-27 11:22:44,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:44,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:45,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:45,418 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:45,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:45,722 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:45,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45 WrapperNode [2019-11-27 11:22:45,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:45,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:45,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:45,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:45,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:45" (1/1) ... [2019-11-27 11:22:45,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:45,994 INFO L168 Benchmark]: Toolchain (without parser) took 1667.50 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 968.3 MB in the end (delta: -921.7 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:45,995 INFO L168 Benchmark]: CDTParser took 0.40 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 11:22:45,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1395.18 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 974.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:46,006 INFO L168 Benchmark]: Boogie Preprocessor took 256.91 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:46,013 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1395.18 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 974.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 256.91 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 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...