./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext2/length_test03-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety-ext2/length_test03-1.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 7db66fa755812d372ccac4d56a0ec85104dbcc6e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-ext2/length_test03-1.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 7db66fa755812d372ccac4d56a0ec85104dbcc6e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:43:47,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:47,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:47,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:47,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:47,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:47,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:47,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:47,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:47,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:47,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:47,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:47,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:47,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:47,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:47,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:47,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:47,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:47,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:47,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:47,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:47,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:47,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:47,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:47,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:47,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:47,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:47,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:47,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:47,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:47,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:47,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:47,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:47,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:47,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:47,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:47,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:47,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:47,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:47,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:47,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:47,507 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:47,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:47,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:47,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:47,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:47,570 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:47,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:47,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:47,575 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:47,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:47,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:47,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:47,580 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:47,580 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:47,580 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:47,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:47,582 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:47,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:47,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:47,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:47,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:47,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:47,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:47,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:47,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:47,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:47,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:47,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:47,588 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 -> 7db66fa755812d372ccac4d56a0ec85104dbcc6e [2019-11-27 17:43:48,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:48,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:48,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:48,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:48,163 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:48,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2019-11-27 17:43:48,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cab011a85/c6bbca18524d48f8aaa1115b7b09fe81/FLAG88738d92c [2019-11-27 17:43:49,493 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:49,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2019-11-27 17:43:49,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cab011a85/c6bbca18524d48f8aaa1115b7b09fe81/FLAG88738d92c [2019-11-27 17:43:49,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cab011a85/c6bbca18524d48f8aaa1115b7b09fe81 [2019-11-27 17:43:49,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:49,606 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:49,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:49,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:49,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:49,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:49" (1/1) ... [2019-11-27 17:43:49,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4915e153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:49, skipping insertion in model container [2019-11-27 17:43:49,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:49" (1/1) ... [2019-11-27 17:43:49,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:49,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:50,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:50,638 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:50,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:50,898 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:50,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:50 WrapperNode [2019-11-27 17:43:50,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:50,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:50,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:50,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:50,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:50" (1/1) ... [2019-11-27 17:43:50,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:50" (1/1) ... [2019-11-27 17:43:50,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:50" (1/1) ... [2019-11-27 17:43:51,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:50" (1/1) ... [2019-11-27 17:43:51,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:50" (1/1) ... [2019-11-27 17:43:51,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:50" (1/1) ... [2019-11-27 17:43:51,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:50" (1/1) ... [2019-11-27 17:43:51,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:51,117 INFO L168 Benchmark]: Toolchain (without parser) took 1489.35 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 17:43:51,118 INFO L168 Benchmark]: CDTParser took 3.06 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 17:43:51,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1282.24 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 17:43:51,125 INFO L168 Benchmark]: Boogie Preprocessor took 189.39 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 17:43:51,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.06 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 1282.24 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 189.39 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 17:43:54,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:54,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:54,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:54,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:54,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:54,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:55,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:55,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:55,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:55,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:55,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:55,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:55,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:55,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:55,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:55,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:55,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:55,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:55,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:55,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:55,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:55,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:55,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:55,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:55,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:55,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:55,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:55,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:55,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:55,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:55,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:55,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:55,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:55,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:55,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:55,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:55,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:55,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:55,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:55,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:55,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:55,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:55,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:55,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:55,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:55,177 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:55,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:55,178 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:55,180 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:55,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:55,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:55,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:55,182 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:55,185 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:55,185 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:55,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:55,186 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:55,186 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:55,187 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:55,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:55,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:55,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:55,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:55,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:55,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:55,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:55,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:55,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:55,192 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:55,193 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:55,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:55,194 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 -> 7db66fa755812d372ccac4d56a0ec85104dbcc6e [2019-11-27 17:43:55,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:55,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:55,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:55,854 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:55,855 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:55,856 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2019-11-27 17:43:56,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6dce468a/15015e2575224dc1987d562d163f70f9/FLAG32f9ccfca [2019-11-27 17:43:57,175 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:57,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2019-11-27 17:43:57,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6dce468a/15015e2575224dc1987d562d163f70f9/FLAG32f9ccfca [2019-11-27 17:43:57,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6dce468a/15015e2575224dc1987d562d163f70f9 [2019-11-27 17:43:57,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:57,269 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:57,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:57,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:57,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:57,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:57" (1/1) ... [2019-11-27 17:43:57,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:57, skipping insertion in model container [2019-11-27 17:43:57,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:57" (1/1) ... [2019-11-27 17:43:57,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:57,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:58,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:58,360 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:58,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:58,624 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:58,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:58 WrapperNode [2019-11-27 17:43:58,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:58,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:58,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:58,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:58,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:58" (1/1) ... [2019-11-27 17:43:58,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:58" (1/1) ... [2019-11-27 17:43:58,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:58" (1/1) ... [2019-11-27 17:43:58,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:58" (1/1) ... [2019-11-27 17:43:58,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:58" (1/1) ... [2019-11-27 17:43:58,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:58" (1/1) ... [2019-11-27 17:43:58,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:58" (1/1) ... [2019-11-27 17:43:58,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:58,826 INFO L168 Benchmark]: Toolchain (without parser) took 1556.82 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 17:43:58,831 INFO L168 Benchmark]: CDTParser took 2.33 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 17:43:58,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1355.24 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 17:43:58,835 INFO L168 Benchmark]: Boogie Preprocessor took 193.53 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 17:43:58,855 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.33 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 1355.24 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 193.53 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...