./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-optional-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c6eb4584 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/sll-optional-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:19:53,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:19:53,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:19:53,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:19:53,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:19:53,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:19:53,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:19:53,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:19:53,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:19:53,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:19:53,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:19:53,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:19:53,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:19:53,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:19:53,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:19:53,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:19:53,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:19:53,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:19:53,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:19:53,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:19:53,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:19:53,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:19:53,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:19:53,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:19:53,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:19:53,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:19:53,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:19:53,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:19:53,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:19:53,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:19:53,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:19:53,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:19:53,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:19:53,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:19:53,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:19:53,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:19:53,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:19:53,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:19:53,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:19:53,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:19:53,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:19:53,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 22:19:53,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:19:53,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:19:53,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:19:53,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:19:53,475 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:19:53,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:19:53,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:19:53,480 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:19:53,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:19:53,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:19:53,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:19:53,481 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:19:53,481 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:19:53,485 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 22:19:53,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:19:53,486 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:19:53,486 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:19:53,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:19:53,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:19:53,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:19:53,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:19:53,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:19:53,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:19:53,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:19:53,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:19:53,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:19:53,493 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 -> 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 [2019-11-16 22:19:54,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:19:54,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:19:54,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:19:54,163 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:19:54,165 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:19:54,166 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-16 22:19:54,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0045c80e6/0c509b8b2a284275a8dbbd073379cf53/FLAGabd29d686 [2019-11-16 22:19:55,519 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:19:55,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-16 22:19:55,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0045c80e6/0c509b8b2a284275a8dbbd073379cf53/FLAGabd29d686 [2019-11-16 22:19:55,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0045c80e6/0c509b8b2a284275a8dbbd073379cf53 [2019-11-16 22:19:55,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:19:55,614 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:19:55,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:19:55,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:19:55,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:19:55,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:19:55" (1/1) ... [2019-11-16 22:19:55,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4230ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:55, skipping insertion in model container [2019-11-16 22:19:55,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:19:55" (1/1) ... [2019-11-16 22:19:55,656 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:19:55,764 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:19:56,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:19:56,694 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:19:56,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:19:56,954 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:19:56,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:56 WrapperNode [2019-11-16 22:19:56,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:19:56,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:19:56,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:19:56,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:19:56,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:56" (1/1) ... [2019-11-16 22:19:56,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:56" (1/1) ... [2019-11-16 22:19:57,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:56" (1/1) ... [2019-11-16 22:19:57,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:56" (1/1) ... [2019-11-16 22:19:57,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:56" (1/1) ... [2019-11-16 22:19:57,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:56" (1/1) ... [2019-11-16 22:19:57,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:56" (1/1) ... [2019-11-16 22:19:57,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:19:57,191 INFO L168 Benchmark]: Toolchain (without parser) took 1571.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.4 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:19:57,204 INFO L168 Benchmark]: CDTParser took 1.37 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. [2019-11-16 22:19:57,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1343.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-16 22:19:57,213 INFO L168 Benchmark]: Boogie Preprocessor took 220.37 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:19:57,224 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 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 1343.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 220.37 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 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...