./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c --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-ext3/derefAfterFree2.c -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 44834c55142a76240cb3980fc2bb6f5aeaa27c83 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-ext3/derefAfterFree2.c -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 44834c55142a76240cb3980fc2bb6f5aeaa27c83 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:23:57,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:57,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:57,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:57,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:57,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:57,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:57,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:57,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:57,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:57,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:57,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:57,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:57,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:57,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:57,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:57,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:57,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:57,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:57,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:57,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:57,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:57,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:57,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:57,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:57,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:57,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:57,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:57,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:57,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:57,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:57,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:57,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:57,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:57,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:57,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:57,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:57,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:57,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:57,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:57,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:57,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:57,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:57,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:57,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:57,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:57,442 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:57,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:57,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:57,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:57,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:57,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:57,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:57,448 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:57,450 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:57,450 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:57,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:57,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:57,453 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:57,453 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:57,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:57,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:57,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:57,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:57,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:57,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:57,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:57,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:57,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:57,459 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 -> 44834c55142a76240cb3980fc2bb6f5aeaa27c83 [2019-11-24 22:23:58,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:58,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:58,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:58,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:58,087 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:58,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2019-11-24 22:23:58,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a064f7b7/b91d260e484b4fb3a4dae0bf10346a76/FLAGe0963b18d [2019-11-24 22:23:59,344 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:59,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2019-11-24 22:23:59,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a064f7b7/b91d260e484b4fb3a4dae0bf10346a76/FLAGe0963b18d [2019-11-24 22:23:59,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a064f7b7/b91d260e484b4fb3a4dae0bf10346a76 [2019-11-24 22:23:59,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:59,416 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:59,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:59,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:59,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:59,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:59" (1/1) ... [2019-11-24 22:23:59,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44395090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:59, skipping insertion in model container [2019-11-24 22:23:59,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:59" (1/1) ... [2019-11-24 22:23:59,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:59,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:59,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:59,963 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:24:00,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:00,038 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:24:00,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:00 WrapperNode [2019-11-24 22:24:00,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:00,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:24:00,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:24:00,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:24:00,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:00" (1/1) ... [2019-11-24 22:24:00,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:00" (1/1) ... [2019-11-24 22:24:00,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:00" (1/1) ... [2019-11-24 22:24:00,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:00" (1/1) ... [2019-11-24 22:24:00,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:00" (1/1) ... [2019-11-24 22:24:00,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:00" (1/1) ... [2019-11-24 22:24:00,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:00" (1/1) ... [2019-11-24 22:24:00,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:24:00,236 INFO L168 Benchmark]: Toolchain (without parser) took 807.37 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:00,238 INFO L168 Benchmark]: CDTParser took 0.87 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 22:24:00,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.07 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:00,246 INFO L168 Benchmark]: Boogie Preprocessor took 174.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:00,257 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 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 624.07 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 174.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:24:04,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:24:04,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:24:04,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:24:04,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:24:04,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:24:04,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:24:04,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:24:04,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:24:04,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:24:04,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:24:04,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:24:04,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:24:04,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:24:04,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:24:04,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:24:04,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:24:04,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:24:04,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:24:04,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:24:04,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:24:04,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:24:04,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:24:04,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:24:04,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:24:04,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:24:04,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:24:04,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:24:04,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:24:04,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:24:04,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:24:04,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:24:04,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:24:04,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:24:04,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:24:04,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:24:04,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:24:04,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:24:04,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:24:04,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:24:04,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:24:04,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:24:04,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:24:04,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:24:04,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:24:04,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:24:04,441 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:24:04,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:24:04,441 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:24:04,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:24:04,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:24:04,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:24:04,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:24:04,447 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:24:04,448 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:24:04,448 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:24:04,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:24:04,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:24:04,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:24:04,452 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:24:04,452 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:24:04,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:24:04,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:24:04,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:24:04,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:24:04,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:24:04,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:24:04,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:24:04,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:24:04,458 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:24:04,458 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:24:04,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:24:04,461 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 -> 44834c55142a76240cb3980fc2bb6f5aeaa27c83 [2019-11-24 22:24:05,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:24:05,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:24:05,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:24:05,092 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:24:05,092 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:24:05,096 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2019-11-24 22:24:05,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/168a0e822/c15bfda208c24727b63a43ed6f1b2310/FLAG85b2843af [2019-11-24 22:24:06,242 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:24:06,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2019-11-24 22:24:06,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/168a0e822/c15bfda208c24727b63a43ed6f1b2310/FLAG85b2843af [2019-11-24 22:24:06,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/168a0e822/c15bfda208c24727b63a43ed6f1b2310 [2019-11-24 22:24:06,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:24:06,479 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:24:06,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:06,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:24:06,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:24:06,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:06" (1/1) ... [2019-11-24 22:24:06,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f374e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:06, skipping insertion in model container [2019-11-24 22:24:06,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:06" (1/1) ... [2019-11-24 22:24:06,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:24:06,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:24:06,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:06,982 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:24:07,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:24:07,059 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:24:07,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:07 WrapperNode [2019-11-24 22:24:07,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:24:07,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:24:07,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:24:07,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:24:07,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:07" (1/1) ... [2019-11-24 22:24:07,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:07" (1/1) ... [2019-11-24 22:24:07,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:07" (1/1) ... [2019-11-24 22:24:07,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:07" (1/1) ... [2019-11-24 22:24:07,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:07" (1/1) ... [2019-11-24 22:24:07,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:07" (1/1) ... [2019-11-24 22:24:07,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:07" (1/1) ... [2019-11-24 22:24:07,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:24:07,239 INFO L168 Benchmark]: Toolchain (without parser) took 760.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:07,241 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-24 22:24:07,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.92 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:07,245 INFO L168 Benchmark]: Boogie Preprocessor took 171.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.2 MB in the end (delta: -36.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 22:24:07,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 577.92 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 171.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.2 MB in the end (delta: -36.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...