./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-26 00:27:15,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:15,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:15,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:15,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:15,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:15,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:15,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:15,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:15,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:15,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:15,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:15,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:15,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:15,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:15,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:15,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:15,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:15,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:15,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:15,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:15,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:15,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:15,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:15,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:15,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:15,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:15,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:15,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:15,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:15,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:15,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:15,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:15,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:15,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:15,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:15,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:15,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:15,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:15,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:15,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:15,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:15,423 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:15,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:15,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:15,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:15,431 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:15,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:15,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:15,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:15,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:15,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:15,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:15,437 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:15,438 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:15,438 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:15,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:15,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:15,439 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:15,439 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:15,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:15,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:15,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:15,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:15,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:15,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:15,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:15,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:15,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:15,446 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 [2019-11-26 00:27:16,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:16,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:16,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:16,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:16,053 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:16,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-26 00:27:16,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f545af66/7d4a75fa9d914ea390682d2d65a66642/FLAG5cfbc94d2 [2019-11-26 00:27:17,435 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:17,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-26 00:27:17,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f545af66/7d4a75fa9d914ea390682d2d65a66642/FLAG5cfbc94d2 [2019-11-26 00:27:17,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f545af66/7d4a75fa9d914ea390682d2d65a66642 [2019-11-26 00:27:17,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:17,528 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:17,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:17,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:17,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:17,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:17" (1/1) ... [2019-11-26 00:27:17,553 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 26.11 12:27:17, skipping insertion in model container [2019-11-26 00:27:17,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:17" (1/1) ... [2019-11-26 00:27:17,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:17,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:18,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:18,589 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:18,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:18,860 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:18,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:18 WrapperNode [2019-11-26 00:27:18,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:18,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:18,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:18,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:18,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:18" (1/1) ... [2019-11-26 00:27:18,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:18" (1/1) ... [2019-11-26 00:27:18,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:18" (1/1) ... [2019-11-26 00:27:18,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:18" (1/1) ... [2019-11-26 00:27:19,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:18" (1/1) ... [2019-11-26 00:27:19,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:18" (1/1) ... [2019-11-26 00:27:19,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:18" (1/1) ... [2019-11-26 00:27:19,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:19,094 INFO L168 Benchmark]: Toolchain (without parser) took 1556.04 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 978.4 MB in the end (delta: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:19,097 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:19,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1333.46 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:19,103 INFO L168 Benchmark]: Boogie Preprocessor took 210.93 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. [2019-11-26 00:27:19,107 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1333.46 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 210.93 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:22,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:22,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:22,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:22,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:22,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:22,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:22,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:22,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:22,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:22,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:22,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:22,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:22,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:22,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:22,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:22,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:22,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:22,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:22,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:22,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:22,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:22,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:22,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:22,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:22,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:22,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:22,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:22,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:22,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:22,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:22,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:22,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:22,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:22,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:22,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:22,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:22,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:22,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:22,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:22,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:22,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:22,997 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:22,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:23,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:23,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:23,000 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:23,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:23,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:23,005 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:23,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:23,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:23,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:23,007 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:23,007 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:23,007 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:23,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:23,008 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:23,008 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:23,010 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:23,010 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:23,010 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:23,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:23,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:23,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:23,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:23,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:23,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:23,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:23,015 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:23,016 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:23,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:23,017 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 [2019-11-26 00:27:23,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:23,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:23,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:23,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:23,584 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:23,586 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-26 00:27:23,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec8bafa7/182b1888d9724a0da0174fa128265fc9/FLAG76c1489f3 [2019-11-26 00:27:24,910 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:24,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-26 00:27:24,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec8bafa7/182b1888d9724a0da0174fa128265fc9/FLAG76c1489f3 [2019-11-26 00:27:25,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec8bafa7/182b1888d9724a0da0174fa128265fc9 [2019-11-26 00:27:25,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:25,464 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:25,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:25,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:25,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:25,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:25" (1/1) ... [2019-11-26 00:27:25,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23456bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:25, skipping insertion in model container [2019-11-26 00:27:25,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:25" (1/1) ... [2019-11-26 00:27:25,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:25,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:26,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:26,570 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:26,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:26,831 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:26,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:26 WrapperNode [2019-11-26 00:27:26,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:26,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:26,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:26,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:26,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:26" (1/1) ... [2019-11-26 00:27:26,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:26" (1/1) ... [2019-11-26 00:27:26,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:26" (1/1) ... [2019-11-26 00:27:26,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:26" (1/1) ... [2019-11-26 00:27:26,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:26" (1/1) ... [2019-11-26 00:27:27,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:26" (1/1) ... [2019-11-26 00:27:27,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:26" (1/1) ... [2019-11-26 00:27:27,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:27,041 INFO L168 Benchmark]: Toolchain (without parser) took 1579.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 974.0 MB in the end (delta: -13.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:27,043 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-26 00:27:27,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1370.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:27,054 INFO L168 Benchmark]: Boogie Preprocessor took 198.96 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:27,061 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1370.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 198.96 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 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...