./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 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-rb-sentinel-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e0675069af96ce2b947856aad4bf6a2d556158b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e0675069af96ce2b947856aad4bf6a2d556158b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:04,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:04,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:04,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:04,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:04,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:04,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:04,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:04,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:04,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:04,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:04,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:04,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:04,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:04,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:04,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:04,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:04,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:04,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:04,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:04,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:04,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:04,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:04,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:04,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:04,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:04,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:04,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:04,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:04,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:04,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:04,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:04,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:04,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:04,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:04,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:04,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:04,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:04,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:04,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:04,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:04,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:04,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:04,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:04,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:04,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:04,543 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:04,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:04,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:04,544 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:04,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:04,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:04,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:04,547 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:04,547 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:04,549 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:04,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:04,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:04,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:04,550 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:04,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:04,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:04,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:04,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:04,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:04,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:04,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:04,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:04,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:04,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2019-11-27 17:45:05,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:05,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:05,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:05,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:05,193 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:05,194 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 17:45:05,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9b605d0/8e629698f24b4bd5821da5b0597ab79d/FLAG01811c18f [2019-11-27 17:45:06,552 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:06,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 17:45:06,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9b605d0/8e629698f24b4bd5821da5b0597ab79d/FLAG01811c18f [2019-11-27 17:45:06,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9b605d0/8e629698f24b4bd5821da5b0597ab79d [2019-11-27 17:45:06,642 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:06,648 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:06,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:06,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:06,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:06,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:06,672 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 05:45:06, skipping insertion in model container [2019-11-27 17:45:06,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:06,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:06,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:07,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:07,742 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:07,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:07,985 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:07,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07 WrapperNode [2019-11-27 17:45:07,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:07,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:07,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:07,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:08,023 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 17:45:08,025 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 17:45:08,084 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 17:45:08,092 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 17:45:08,144 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 17:45:08,168 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 17:45:08,177 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 17:45:08,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:08,211 INFO L168 Benchmark]: Toolchain (without parser) took 1548.37 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 17:45:08,216 INFO L168 Benchmark]: CDTParser took 4.34 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 17:45:08,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1341.15 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 17:45:08,222 INFO L168 Benchmark]: Boogie Preprocessor took 201.84 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 17:45:08,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.34 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 1341.15 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 201.84 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 17:45:12,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:12,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:12,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:12,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:12,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:12,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:12,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:12,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:12,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:12,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:12,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:12,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:12,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:12,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:12,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:12,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:12,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:12,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:12,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:12,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:12,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:12,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:12,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:12,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:12,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:12,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:12,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:12,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:12,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:12,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:12,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:12,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:12,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:12,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:12,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:12,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:12,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:12,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:12,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:12,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:12,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:12,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:12,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:12,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:12,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:12,234 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:12,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:12,235 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:12,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:12,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:12,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:12,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:12,238 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:12,239 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:12,240 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:12,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:12,241 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:12,243 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:12,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:12,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:12,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:12,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:12,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:12,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:12,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:12,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:12,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:12,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:12,249 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:12,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:12,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:12,250 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2019-11-27 17:45:12,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:12,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:12,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:12,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:12,844 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:12,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 17:45:12,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34371ce62/38aa5134d32442c6a14ef8044057045e/FLAG29e6e5947 [2019-11-27 17:45:14,164 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:14,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 17:45:14,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34371ce62/38aa5134d32442c6a14ef8044057045e/FLAG29e6e5947 [2019-11-27 17:45:14,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34371ce62/38aa5134d32442c6a14ef8044057045e [2019-11-27 17:45:14,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:14,674 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:14,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:14,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:14,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:14,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453b4ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:14, skipping insertion in model container [2019-11-27 17:45:14,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:14,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:15,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:15,790 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:15,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:16,069 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:16,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16 WrapperNode [2019-11-27 17:45:16,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:16,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:16,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:16,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:16,108 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 17:45:16,109 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 17:45:16,173 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 17:45:16,182 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 17:45:16,237 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 17:45:16,253 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 17:45:16,263 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 17:45:16,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:16,283 INFO L168 Benchmark]: Toolchain (without parser) took 1609.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.6 MB in the end (delta: -19.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:16,291 INFO L168 Benchmark]: CDTParser took 2.79 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 17:45:16,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1388.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:16,300 INFO L168 Benchmark]: Boogie Preprocessor took 207.25 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:16,308 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.79 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 1388.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 207.25 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 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...