./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-sorted-2.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-sorted-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-sorted-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:45:05,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:05,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:05,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:05,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:05,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:05,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:05,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:05,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:05,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:05,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:05,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:05,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:05,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:05,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:05,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:05,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:05,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:05,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:05,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:05,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:05,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:05,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:05,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:05,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:05,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:05,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:05,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:05,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:05,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:05,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:05,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:05,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:05,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:05,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:05,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:05,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:05,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:05,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:05,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:05,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:05,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:05,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:05,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:05,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:05,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:05,490 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:05,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:05,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:05,491 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:05,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:05,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:05,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:05,494 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:05,496 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:05,496 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:05,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:05,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:05,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:05,500 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:05,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:05,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:05,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:05,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:05,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:05,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:05,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:05,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:05,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:05,505 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 -> 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 [2019-11-27 17:45:06,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:06,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:06,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:06,121 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:06,122 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:06,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 17:45:06,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9b711cd/febe825d7b994402a4acd0edb6def832/FLAG8a50ec96e [2019-11-27 17:45:07,513 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:07,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 17:45:07,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9b711cd/febe825d7b994402a4acd0edb6def832/FLAG8a50ec96e [2019-11-27 17:45:07,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9b711cd/febe825d7b994402a4acd0edb6def832 [2019-11-27 17:45:07,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:07,605 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:07,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:07,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:07,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:07,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59933dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07, skipping insertion in model container [2019-11-27 17:45:07,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:07,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:08,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:08,706 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:08,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:08,963 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:08,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08 WrapperNode [2019-11-27 17:45:08,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:08,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:08,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:08,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:09,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:09,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:09,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:09,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:09,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:09,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:09,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:08" (1/1) ... [2019-11-27 17:45:09,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:09,199 INFO L168 Benchmark]: Toolchain (without parser) took 1582.32 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 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:09,200 INFO L168 Benchmark]: CDTParser took 6.72 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. [2019-11-27 17:45:09,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1359.31 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 17:45:09,215 INFO L168 Benchmark]: Boogie Preprocessor took 211.10 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:09,222 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 6.72 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 1359.31 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 211.10 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:13,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:13,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:13,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:13,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:13,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:13,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:13,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:13,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:13,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:13,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:13,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:13,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:13,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:13,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:13,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:13,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:13,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:13,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:13,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:13,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:13,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:13,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:13,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:13,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:13,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:13,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:13,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:13,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:13,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:13,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:13,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:13,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:13,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:13,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:13,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:13,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:13,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:13,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:13,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:13,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:13,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:13,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:13,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:13,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:13,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:13,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:13,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:13,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:13,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:13,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:13,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:13,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:13,275 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:13,275 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:13,276 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:13,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:13,276 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:13,278 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:13,278 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:13,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:13,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:13,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:13,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:13,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:13,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:13,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:13,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:13,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:13,284 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:13,284 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:13,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:13,288 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 -> 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 [2019-11-27 17:45:13,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:13,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:13,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:13,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:13,972 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:13,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 17:45:14,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22099c975/0103161b068b4648b2bf162e90c72a9d/FLAGbfd71358e [2019-11-27 17:45:15,400 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:15,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 17:45:15,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22099c975/0103161b068b4648b2bf162e90c72a9d/FLAGbfd71358e [2019-11-27 17:45:15,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22099c975/0103161b068b4648b2bf162e90c72a9d [2019-11-27 17:45:15,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:15,499 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:15,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:15,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:15,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:15,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c3aba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:15, skipping insertion in model container [2019-11-27 17:45:15,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:15" (1/1) ... [2019-11-27 17:45:15,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:15,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:16,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:16,674 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:16,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:16,960 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:16,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16 WrapperNode [2019-11-27 17:45:16,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:16,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:16,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:16,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:17,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:17,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:17,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:17,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:17,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:17,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:17,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:17,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:17,204 INFO L168 Benchmark]: Toolchain (without parser) took 1698.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.6 MB in the end (delta: -5.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:17,215 INFO L168 Benchmark]: CDTParser took 3.57 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 17:45:17,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1461.05 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 978.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:17,225 INFO L168 Benchmark]: Boogie Preprocessor took 230.21 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:17,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.57 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 1461.05 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 978.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 230.21 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 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...