./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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-ext/tree_parent_ptr.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 fba36da5e1e25c0eb21d7d749a840ca84da8c0fc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext/tree_parent_ptr.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 fba36da5e1e25c0eb21d7d749a840ca84da8c0fc .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:21:30,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:30,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:30,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:30,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:30,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:30,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:30,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:30,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:30,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:30,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:30,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:30,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:30,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:30,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:30,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:30,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:30,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:30,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:30,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:30,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:30,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:30,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:30,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:30,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:30,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:30,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:30,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:30,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:30,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:30,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:30,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:30,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:30,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:30,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:30,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:30,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:30,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:30,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:30,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:30,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:30,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:21:30,418 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:30,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:30,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:30,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:30,427 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:30,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:30,428 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:30,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:30,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:30,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:30,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:30,432 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:30,432 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:30,433 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:30,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:30,433 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:30,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:30,436 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:30,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:30,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:30,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:30,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:30,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:30,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:30,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:30,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:21:30,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:21:30,441 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 -> fba36da5e1e25c0eb21d7d749a840ca84da8c0fc [2019-11-24 22:21:31,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:31,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:31,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:31,051 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:31,051 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:31,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i [2019-11-24 22:21:31,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e12aaeb/787481e47930481082e12cd700415ab8/FLAG5ab599fb2 [2019-11-24 22:21:32,394 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:32,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i [2019-11-24 22:21:32,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e12aaeb/787481e47930481082e12cd700415ab8/FLAG5ab599fb2 [2019-11-24 22:21:32,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e12aaeb/787481e47930481082e12cd700415ab8 [2019-11-24 22:21:32,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:32,902 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:32,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:32,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:32,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:32,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:32" (1/1) ... [2019-11-24 22:21:32,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9a9c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:32, skipping insertion in model container [2019-11-24 22:21:32,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:32" (1/1) ... [2019-11-24 22:21:32,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:33,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:33,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:33,983 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:34,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:34,228 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:34,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34 WrapperNode [2019-11-24 22:21:34,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:34,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:34,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:34,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:34,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:34" (1/1) ... [2019-11-24 22:21:34,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:34,451 INFO L168 Benchmark]: Toolchain (without parser) took 1533.20 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 979.6 MB in the end (delta: -17.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:34,452 INFO L168 Benchmark]: CDTParser took 2.58 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. [2019-11-24 22:21:34,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1311.00 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 979.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:34,458 INFO L168 Benchmark]: Boogie Preprocessor took 201.05 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:34,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.58 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 1311.00 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 979.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 201.05 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 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 0.1.24-32f2683 [2019-11-24 22:21:38,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:21:38,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:21:38,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:21:38,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:21:38,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:21:38,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:21:38,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:21:38,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:21:38,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:21:38,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:21:38,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:21:38,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:21:38,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:21:38,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:21:38,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:21:38,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:21:38,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:21:38,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:21:38,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:21:38,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:21:38,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:21:38,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:21:38,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:21:38,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:21:38,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:21:38,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:21:38,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:21:38,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:21:38,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:21:38,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:21:38,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:21:38,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:21:38,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:21:38,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:21:38,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:21:38,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:21:38,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:21:38,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:21:38,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:21:38,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:21:38,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:21:38,490 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:21:38,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:21:38,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:21:38,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:21:38,499 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:21:38,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:21:38,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:21:38,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:21:38,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:21:38,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:21:38,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:21:38,504 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:21:38,505 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:21:38,505 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:21:38,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:21:38,507 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:21:38,507 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:21:38,507 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:21:38,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:21:38,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:21:38,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:21:38,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:21:38,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:21:38,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:21:38,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:21:38,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:21:38,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:21:38,513 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:21:38,515 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:21:38,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:21:38,516 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 -> fba36da5e1e25c0eb21d7d749a840ca84da8c0fc [2019-11-24 22:21:39,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:21:39,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:21:39,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:21:39,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:21:39,147 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:21:39,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i [2019-11-24 22:21:39,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c158e86/d989b9d348d44eb9b93f5af309ff04ce/FLAGaf77d7994 [2019-11-24 22:21:40,490 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:21:40,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i [2019-11-24 22:21:40,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c158e86/d989b9d348d44eb9b93f5af309ff04ce/FLAGaf77d7994 [2019-11-24 22:21:40,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c158e86/d989b9d348d44eb9b93f5af309ff04ce [2019-11-24 22:21:41,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:21:41,006 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:21:41,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:41,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:21:41,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:21:41,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:41" (1/1) ... [2019-11-24 22:21:41,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc5c18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:41, skipping insertion in model container [2019-11-24 22:21:41,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:21:41" (1/1) ... [2019-11-24 22:21:41,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:21:41,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:21:42,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:42,058 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:21:42,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:21:42,313 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:21:42,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42 WrapperNode [2019-11-24 22:21:42,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:21:42,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:21:42,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:21:42,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:21:42,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:21:42" (1/1) ... [2019-11-24 22:21:42,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:21:42,511 INFO L168 Benchmark]: Toolchain (without parser) took 1494.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:21:42,512 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. [2019-11-24 22:21:42,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1296.23 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 979.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:42,524 INFO L168 Benchmark]: Boogie Preprocessor took 182.43 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:21:42,540 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 1296.23 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 979.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 182.43 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 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...