./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.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/forester-heap/dll-rb-sentinel-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 3e0675069af96ce2b947856aad4bf6a2d556158b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/forester-heap/dll-rb-sentinel-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 3e0675069af96ce2b947856aad4bf6a2d556158b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:22:49,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:22:49,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:22:49,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:22:49,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:22:49,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:22:49,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:22:49,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:22:49,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:22:49,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:22:49,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:22:49,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:22:49,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:22:49,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:22:49,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:22:49,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:22:49,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:22:49,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:22:49,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:22:49,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:22:49,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:22:49,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:22:49,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:22:49,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:22:49,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:22:49,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:22:49,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:22:49,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:22:49,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:22:49,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:22:49,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:22:49,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:22:49,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:22:49,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:22:49,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:22:49,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:22:49,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:22:49,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:22:49,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:22:49,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:22:49,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:22:49,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:22:49,467 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:22:49,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:22:49,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:22:49,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:22:49,477 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:22:49,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:22:49,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:22:49,478 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:22:49,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:22:49,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:22:49,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:22:49,480 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:22:49,480 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:22:49,481 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:22:49,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:22:49,483 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:22:49,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:22:49,484 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:22:49,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:22:49,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:22:49,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:22:49,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:22:49,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:22:49,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:22:49,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:22:49,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:22:49,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:22:49,491 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 -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2019-11-24 22:22:50,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:22:50,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:22:50,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:22:50,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:22:50,102 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:22:50,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-24 22:22:50,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a1eb319/9738ab44948445e59638e36cb2ab51c7/FLAGc24f74986 [2019-11-24 22:22:51,479 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:22:51,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-24 22:22:51,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a1eb319/9738ab44948445e59638e36cb2ab51c7/FLAGc24f74986 [2019-11-24 22:22:51,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a1eb319/9738ab44948445e59638e36cb2ab51c7 [2019-11-24 22:22:51,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:22:51,576 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:22:51,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:51,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:22:51,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:22:51,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:51" (1/1) ... [2019-11-24 22:22:51,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5eb229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:51, skipping insertion in model container [2019-11-24 22:22:51,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:51" (1/1) ... [2019-11-24 22:22:51,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:22:51,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:22:52,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:22:52,688 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:22:52,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:22:52,969 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:22:52,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:52 WrapperNode [2019-11-24 22:22:52,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:52,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:22:52,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:22:52,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:22:53,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:52" (1/1) ... [2019-11-24 22:22:53,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:52" (1/1) ... [2019-11-24 22:22:53,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:52" (1/1) ... [2019-11-24 22:22:53,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:52" (1/1) ... [2019-11-24 22:22:53,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:52" (1/1) ... [2019-11-24 22:22:53,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:52" (1/1) ... [2019-11-24 22:22:53,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:52" (1/1) ... [2019-11-24 22:22:53,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:22:53,171 INFO L168 Benchmark]: Toolchain (without parser) took 1581.16 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. [2019-11-24 22:22:53,175 INFO L168 Benchmark]: CDTParser took 0.59 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 22:22:53,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1395.34 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. [2019-11-24 22:22:53,180 INFO L168 Benchmark]: Boogie Preprocessor took 174.93 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. [2019-11-24 22:22:53,188 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 1395.34 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 174.93 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:22:57,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:22:57,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:22:57,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:22:57,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:22:57,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:22:57,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:22:57,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:22:57,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:22:57,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:22:57,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:22:57,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:22:57,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:22:57,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:22:57,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:22:57,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:22:57,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:22:57,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:22:57,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:22:57,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:22:57,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:22:57,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:22:57,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:22:57,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:22:57,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:22:57,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:22:57,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:22:57,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:22:57,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:22:57,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:22:57,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:22:57,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:22:57,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:22:57,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:22:57,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:22:57,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:22:57,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:22:57,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:22:57,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:22:57,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:22:57,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:22:57,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:22:57,334 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:22:57,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:22:57,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:22:57,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:22:57,340 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:22:57,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:22:57,343 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:22:57,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:22:57,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:22:57,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:22:57,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:22:57,345 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:22:57,348 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:22:57,348 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:22:57,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:22:57,349 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:22:57,349 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:22:57,350 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:22:57,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:22:57,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:22:57,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:22:57,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:22:57,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:22:57,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:22:57,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:22:57,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:22:57,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:22:57,356 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:22:57,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:22:57,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:22:57,358 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 -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2019-11-24 22:22:57,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:22:57,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:22:57,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:22:57,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:22:57,995 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:22:57,997 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-24 22:22:58,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba25fcdc/e4b020d3cf7144d8bcfef5af9860e2f1/FLAG410464331 [2019-11-24 22:22:59,326 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:22:59,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-24 22:22:59,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba25fcdc/e4b020d3cf7144d8bcfef5af9860e2f1/FLAG410464331 [2019-11-24 22:22:59,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba25fcdc/e4b020d3cf7144d8bcfef5af9860e2f1 [2019-11-24 22:22:59,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:22:59,854 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:22:59,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:59,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:22:59,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:22:59,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:59" (1/1) ... [2019-11-24 22:22:59,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fff44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:59, skipping insertion in model container [2019-11-24 22:22:59,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:59" (1/1) ... [2019-11-24 22:22:59,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:00,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:00,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:00,951 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:01,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:01,209 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:01,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01 WrapperNode [2019-11-24 22:23:01,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:01,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:01,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:01,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:01,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:01" (1/1) ... [2019-11-24 22:23:01,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:01,438 INFO L168 Benchmark]: Toolchain (without parser) took 1583.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 973.9 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:01,439 INFO L168 Benchmark]: CDTParser took 1.46 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 22:23:01,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1359.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 979.7 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:01,456 INFO L168 Benchmark]: Boogie Preprocessor took 216.07 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 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 22:23:01,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 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 1359.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 979.7 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 216.07 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 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...