./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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/openbsd_cbzero-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 822411a57a10ce043cb0121fce52bdc7e9506783 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/openbsd_cbzero-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 822411a57a10ce043cb0121fce52bdc7e9506783 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:25:10,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:10,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:10,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:10,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:10,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:10,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:10,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:10,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:10,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:10,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:10,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:10,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:10,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:10,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:10,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:10,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:10,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:10,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:10,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:10,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:10,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:10,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:10,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:10,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:10,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:10,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:10,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:10,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:10,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:10,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:10,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:10,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:10,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:10,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:10,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:10,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:10,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:10,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:10,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:10,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:10,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:25:10,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:10,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:10,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:10,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:10,564 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:10,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:10,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:10,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:10,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:10,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:10,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:10,570 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:10,570 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:10,571 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:10,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:10,571 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:10,573 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:10,573 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:10,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:10,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:10,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:10,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:10,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:10,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:10,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:10,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:25:10,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:25:10,579 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 -> 822411a57a10ce043cb0121fce52bdc7e9506783 [2019-11-26 00:25:11,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:11,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:11,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:11,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:11,270 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:11,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2019-11-26 00:25:11,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dd3425d/7a692f3d36df4b86a96f2043123f588e/FLAG244b9d4c9 [2019-11-26 00:25:12,662 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:12,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2019-11-26 00:25:12,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dd3425d/7a692f3d36df4b86a96f2043123f588e/FLAG244b9d4c9 [2019-11-26 00:25:12,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dd3425d/7a692f3d36df4b86a96f2043123f588e [2019-11-26 00:25:12,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:12,766 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:12,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:12,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:12,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:12,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:12" (1/1) ... [2019-11-26 00:25:12,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601bf59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:12, skipping insertion in model container [2019-11-26 00:25:12,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:12" (1/1) ... [2019-11-26 00:25:12,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:12,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:13,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:13,833 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:13,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:14,068 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:14,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14 WrapperNode [2019-11-26 00:25:14,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:14,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:14,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:14,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:14,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:14,245 INFO L168 Benchmark]: Toolchain (without parser) took 1474.41 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 973.9 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:14,256 INFO L168 Benchmark]: CDTParser took 0.76 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. [2019-11-26 00:25:14,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1302.30 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 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:14,265 INFO L168 Benchmark]: Boogie Preprocessor took 161.51 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:14,276 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 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 1302.30 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 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 161.51 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:25:18,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:18,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:18,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:18,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:18,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:18,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:18,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:18,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:18,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:18,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:18,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:18,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:18,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:18,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:18,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:18,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:18,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:18,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:18,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:18,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:18,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:18,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:18,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:18,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:18,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:18,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:18,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:18,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:18,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:18,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:18,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:18,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:18,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:18,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:18,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:18,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:18,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:18,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:18,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:18,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:18,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:25:18,327 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:18,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:18,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:18,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:18,336 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:18,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:18,337 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:18,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:18,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:18,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:18,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:18,340 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:18,341 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:18,342 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:18,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:18,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:18,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:25:18,345 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:25:18,346 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:18,346 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:18,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:18,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:18,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:18,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:18,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:18,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:18,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:18,351 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:25:18,353 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:25:18,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:25:18,358 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 -> 822411a57a10ce043cb0121fce52bdc7e9506783 [2019-11-26 00:25:18,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:18,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:18,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:18,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:18,941 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:18,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2019-11-26 00:25:19,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86bb167a8/994363c1ba4a428aa299d64d0197ff17/FLAGf5c973a19 [2019-11-26 00:25:20,287 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:20,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2019-11-26 00:25:20,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86bb167a8/994363c1ba4a428aa299d64d0197ff17/FLAGf5c973a19 [2019-11-26 00:25:20,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86bb167a8/994363c1ba4a428aa299d64d0197ff17 [2019-11-26 00:25:20,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:20,404 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:20,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:20,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:20,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:20,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:20" (1/1) ... [2019-11-26 00:25:20,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48af0003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:20, skipping insertion in model container [2019-11-26 00:25:20,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:20" (1/1) ... [2019-11-26 00:25:20,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:20,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:21,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:21,464 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:21,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:21,715 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:21,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:21 WrapperNode [2019-11-26 00:25:21,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:21,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:21,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:21,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:21,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:21" (1/1) ... [2019-11-26 00:25:21,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:21" (1/1) ... [2019-11-26 00:25:21,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:21" (1/1) ... [2019-11-26 00:25:21,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:21" (1/1) ... [2019-11-26 00:25:21,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:21" (1/1) ... [2019-11-26 00:25:21,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:21" (1/1) ... [2019-11-26 00:25:21,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:21" (1/1) ... [2019-11-26 00:25:21,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:21,901 INFO L168 Benchmark]: Toolchain (without parser) took 1493.35 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 978.3 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:21,911 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-26 00:25:21,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1304.12 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:21,916 INFO L168 Benchmark]: Boogie Preprocessor took 176.88 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:21,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1304.12 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 176.88 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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...