./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-optional-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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-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 497bfe83d1a123e7e085e38ee3eed2e663cc023e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-optional-1.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 497bfe83d1a123e7e085e38ee3eed2e663cc023e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:03,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:03,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:03,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:03,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:03,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:03,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:03,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:03,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:03,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:03,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:03,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:03,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:03,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:03,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:03,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:03,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:03,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:03,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:03,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:03,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:03,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:03,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:03,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:03,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:03,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:03,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:03,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:03,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:03,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:03,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:03,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:03,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:03,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:03,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:03,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:03,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:03,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:03,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:03,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:03,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:03,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:03,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:03,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:03,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:03,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:03,770 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:03,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:03,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:03,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:03,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:03,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:03,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:03,777 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:03,777 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:03,778 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:03,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:03,779 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:03,779 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:03,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:03,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:03,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:03,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:03,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:03,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:03,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:03,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:03,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:03,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:03,785 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 -> 497bfe83d1a123e7e085e38ee3eed2e663cc023e [2019-11-27 17:45:04,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:04,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:04,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:04,448 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:04,449 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:04,452 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-27 17:45:04,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec745c30/30b53c2a3ce244deb5cdb9569c62b4b8/FLAGf1eef2471 [2019-11-27 17:45:05,834 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:05,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-27 17:45:05,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec745c30/30b53c2a3ce244deb5cdb9569c62b4b8/FLAGf1eef2471 [2019-11-27 17:45:05,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec745c30/30b53c2a3ce244deb5cdb9569c62b4b8 [2019-11-27 17:45:05,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:05,922 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:05,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:05,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:05,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:05,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:05" (1/1) ... [2019-11-27 17:45:05,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:05, skipping insertion in model container [2019-11-27 17:45:05,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:05" (1/1) ... [2019-11-27 17:45:05,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:06,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:06,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:06,981 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:07,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:07,222 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:07,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07 WrapperNode [2019-11-27 17:45:07,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:07,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:07,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:07,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:07,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:07,428 INFO L168 Benchmark]: Toolchain (without parser) took 1498.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:07,431 INFO L168 Benchmark]: CDTParser took 0.78 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. [2019-11-27 17:45:07,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1297.32 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:07,451 INFO L168 Benchmark]: Boogie Preprocessor took 192.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:07,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 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 1297.32 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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 0.1.24-509859d [2019-11-27 17:45:11,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:11,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:11,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:11,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:11,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:11,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:11,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:11,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:11,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:11,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:11,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:11,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:11,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:11,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:11,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:11,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:11,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:11,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:11,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:11,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:11,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:11,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:11,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:11,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:11,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:11,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:11,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:11,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:11,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:11,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:11,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:11,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:11,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:11,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:11,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:11,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:11,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:11,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:11,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:11,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:11,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:11,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:11,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:11,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:11,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:11,446 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:11,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:11,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:11,448 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:11,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:11,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:11,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:11,451 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:11,451 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:11,454 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:11,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:11,454 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:11,455 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:11,455 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:11,455 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:11,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:11,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:11,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:11,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:11,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:11,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:11,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:11,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:11,461 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:11,462 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:11,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:11,463 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 -> 497bfe83d1a123e7e085e38ee3eed2e663cc023e [2019-11-27 17:45:12,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:12,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:12,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:12,081 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:12,082 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:12,087 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-27 17:45:12,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f826b58d/9cfc661515054d49b7228d89fb2cbb33/FLAG36ba532fe [2019-11-27 17:45:13,358 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:13,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-27 17:45:13,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f826b58d/9cfc661515054d49b7228d89fb2cbb33/FLAG36ba532fe [2019-11-27 17:45:13,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f826b58d/9cfc661515054d49b7228d89fb2cbb33 [2019-11-27 17:45:13,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:13,412 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:13,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:13,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:13,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:13,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:13" (1/1) ... [2019-11-27 17:45:13,429 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 27.11 05:45:13, skipping insertion in model container [2019-11-27 17:45:13,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:13" (1/1) ... [2019-11-27 17:45:13,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:13,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:14,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:14,402 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:14,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:14,656 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:14,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:14 WrapperNode [2019-11-27 17:45:14,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:14,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:14,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:14,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:14,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:14,876 INFO L168 Benchmark]: Toolchain (without parser) took 1451.26 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 968.3 MB in the end (delta: -856.8 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:14,877 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-27 17:45:14,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1234.86 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 974.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:14,895 INFO L168 Benchmark]: Boogie Preprocessor took 203.35 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:14,904 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1234.86 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 974.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 203.35 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 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...