./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version da95e156 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/list-ext3-properties/dll_nullified-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 573d04c3ab16ffed1ccac6c6179d92b670a825d7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/list-ext3-properties/dll_nullified-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 573d04c3ab16ffed1ccac6c6179d92b670a825d7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:24:43,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:43,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:43,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:43,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:43,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:43,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:43,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:43,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:43,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:43,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:43,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:43,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:43,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:43,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:43,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:43,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:43,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:43,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:43,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:43,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:43,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:43,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:43,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:43,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:43,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:43,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:43,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:43,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:43,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:43,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:43,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:43,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:43,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:43,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:43,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:43,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:43,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:43,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:43,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:43,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:43,199 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 11:24:43,228 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:43,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:43,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:43,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:43,232 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:43,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:43,234 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:24:43,234 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:43,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:43,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:24:43,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:43,237 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:43,237 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:43,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:43,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:43,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:24:43,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:43,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:43,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:43,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:43,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:43,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:43,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:43,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:43,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:43,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:43,245 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-memcleanup) ) 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 -> 573d04c3ab16ffed1ccac6c6179d92b670a825d7 [2019-11-27 11:24:43,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:43,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:43,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:43,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:43,637 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:43,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-27 11:24:43,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5021bf54b/d6606b44de294020b7c7a57d96a12204/FLAG692446d99 [2019-11-27 11:24:44,568 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:44,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-27 11:24:44,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5021bf54b/d6606b44de294020b7c7a57d96a12204/FLAG692446d99 [2019-11-27 11:24:44,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5021bf54b/d6606b44de294020b7c7a57d96a12204 [2019-11-27 11:24:44,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:44,784 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:44,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:44,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:44,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:44,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:44" (1/1) ... [2019-11-27 11:24:44,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be22f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:44, skipping insertion in model container [2019-11-27 11:24:44,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:44" (1/1) ... [2019-11-27 11:24:44,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:44,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:45,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:45,554 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:45,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:45,727 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:45,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45 WrapperNode [2019-11-27 11:24:45,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:45,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:45,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:45,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:45,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:45" (1/1) ... [2019-11-27 11:24:45,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:45,865 INFO L168 Benchmark]: Toolchain (without parser) took 1063.28 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 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:45,866 INFO L168 Benchmark]: CDTParser took 1.99 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 11:24:45,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.84 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 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:45,872 INFO L168 Benchmark]: Boogie Preprocessor took 114.85 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:45,879 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.99 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 937.84 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 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.85 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:24:48,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:48,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:48,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:48,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:48,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:48,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:48,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:48,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:48,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:48,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:48,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:48,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:48,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:48,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:48,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:48,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:48,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:48,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:48,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:48,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:48,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:48,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:48,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:48,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:48,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:48,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:48,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:48,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:48,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:48,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:48,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:48,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:48,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:48,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:48,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:48,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:48,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:48,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:48,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:48,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:48,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 11:24:48,787 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:48,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:48,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:48,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:48,791 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:48,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:48,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:24:48,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:48,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:48,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:24:48,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:48,794 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:48,797 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:48,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:48,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:48,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:48,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:48,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:24:48,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:48,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:48,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:48,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:48,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:48,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:48,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:48,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:48,800 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:48,802 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:48,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:48,802 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-memcleanup) ) 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 -> 573d04c3ab16ffed1ccac6c6179d92b670a825d7 [2019-11-27 11:24:49,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:49,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:49,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:49,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:49,287 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:49,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-27 11:24:49,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bacab412/70225a0ffd514030869dda1403af4a41/FLAGbbcccd043 [2019-11-27 11:24:50,228 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:50,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-27 11:24:50,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bacab412/70225a0ffd514030869dda1403af4a41/FLAGbbcccd043 [2019-11-27 11:24:50,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bacab412/70225a0ffd514030869dda1403af4a41 [2019-11-27 11:24:50,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:50,433 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:50,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:50,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:50,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:50,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:50" (1/1) ... [2019-11-27 11:24:50,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f80d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:50, skipping insertion in model container [2019-11-27 11:24:50,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:50" (1/1) ... [2019-11-27 11:24:50,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:50,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:51,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:51,236 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:51,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:51,456 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:51,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:51 WrapperNode [2019-11-27 11:24:51,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:51,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:51,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:51,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:51,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:51" (1/1) ... [2019-11-27 11:24:51,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:51" (1/1) ... [2019-11-27 11:24:51,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:51" (1/1) ... [2019-11-27 11:24:51,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:51" (1/1) ... [2019-11-27 11:24:51,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:51" (1/1) ... [2019-11-27 11:24:51,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:51" (1/1) ... [2019-11-27 11:24:51,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:51" (1/1) ... [2019-11-27 11:24:51,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:51,648 INFO L168 Benchmark]: Toolchain (without parser) took 1209.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.8 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:51,649 INFO L168 Benchmark]: CDTParser took 4.72 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 11:24:51,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1015.97 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 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:51,651 INFO L168 Benchmark]: Boogie Preprocessor took 179.93 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:51,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.72 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 1015.97 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 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 179.93 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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...