./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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_nondet_free_order-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 760c75961baa7cc196b373809e9a87dd0bcf8eb7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_nondet_free_order-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 760c75961baa7cc196b373809e9a87dd0bcf8eb7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:32,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:32,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:32,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:32,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:32,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:32,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:32,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:32,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:32,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:32,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:32,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:32,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:32,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:32,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:32,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:32,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:32,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:32,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:32,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:32,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:32,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:32,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:32,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:32,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:32,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:32,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:32,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:32,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:32,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:32,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:32,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:32,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:32,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:32,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:32,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:32,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:32,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:32,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:32,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:32,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:32,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:32,370 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:32,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:32,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:32,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:32,381 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:32,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:32,382 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:32,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:32,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:32,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:32,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:32,384 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:32,385 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:32,385 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:32,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:32,389 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:32,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:32,390 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:32,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:32,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:32,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:32,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:32,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:32,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:32,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:32,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:32,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:32,394 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 -> 760c75961baa7cc196b373809e9a87dd0bcf8eb7 [2019-11-24 22:23:32,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:32,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:33,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:33,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:33,010 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:33,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-24 22:23:33,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6560bb73e/f6369f6ea5b946bba62f3311fc123def/FLAG7771dd4bd [2019-11-24 22:23:34,456 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:34,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-24 22:23:34,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6560bb73e/f6369f6ea5b946bba62f3311fc123def/FLAG7771dd4bd [2019-11-24 22:23:34,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6560bb73e/f6369f6ea5b946bba62f3311fc123def [2019-11-24 22:23:34,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:34,557 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:34,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:34,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:34,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:34,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:34, skipping insertion in model container [2019-11-24 22:23:34,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:34" (1/1) ... [2019-11-24 22:23:34,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:34,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:35,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:35,695 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:35,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:35,962 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:35,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35 WrapperNode [2019-11-24 22:23:35,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:35,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:35,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:35,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:36,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:36,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:36,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:36,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:36,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:36,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:36,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:35" (1/1) ... [2019-11-24 22:23:36,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:36,202 INFO L168 Benchmark]: Toolchain (without parser) took 1638.63 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. [2019-11-24 22:23:36,206 INFO L168 Benchmark]: CDTParser took 1.97 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. [2019-11-24 22:23:36,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1406.91 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. [2019-11-24 22:23:36,213 INFO L168 Benchmark]: Boogie Preprocessor took 225.17 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. [2019-11-24 22:23:36,222 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.97 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 1406.91 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 225.17 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 0.1.24-32f2683 [2019-11-24 22:23:40,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:40,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:40,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:40,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:40,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:40,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:40,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:40,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:40,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:40,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:40,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:40,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:40,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:40,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:40,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:40,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:40,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:40,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:40,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:40,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:40,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:40,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:40,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:40,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:40,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:40,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:40,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:40,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:40,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:40,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:40,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:40,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:40,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:40,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:40,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:40,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:40,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:40,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:40,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:40,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:40,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:40,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:40,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:40,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:40,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:40,436 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:40,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:40,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:40,438 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:40,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:40,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:40,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:40,442 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:40,442 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:40,443 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:40,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:40,445 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:40,445 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:40,446 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:40,446 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:40,446 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:40,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:40,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:40,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:40,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:40,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:40,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:40,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:40,452 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:40,453 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:40,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:40,457 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 -> 760c75961baa7cc196b373809e9a87dd0bcf8eb7 [2019-11-24 22:23:41,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:41,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:41,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:41,044 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:41,044 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:41,048 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-24 22:23:41,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b05f99af/ae4eb2cd8b944cde87c478d6710ad5a2/FLAG4578b5894 [2019-11-24 22:23:42,491 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:42,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2019-11-24 22:23:42,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b05f99af/ae4eb2cd8b944cde87c478d6710ad5a2/FLAG4578b5894 [2019-11-24 22:23:42,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b05f99af/ae4eb2cd8b944cde87c478d6710ad5a2 [2019-11-24 22:23:42,581 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:42,590 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:42,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:42,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:42,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:42,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:42, skipping insertion in model container [2019-11-24 22:23:42,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:42" (1/1) ... [2019-11-24 22:23:42,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:42,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:43,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:43,693 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:43,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:43,969 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:43,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43 WrapperNode [2019-11-24 22:23:43,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:43,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:43,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:43,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:44,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:44,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:44,183 INFO L168 Benchmark]: Toolchain (without parser) took 1594.00 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. [2019-11-24 22:23:44,185 INFO L168 Benchmark]: CDTParser took 0.36 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. [2019-11-24 22:23:44,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1380.99 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:44,194 INFO L168 Benchmark]: Boogie Preprocessor took 202.64 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. [2019-11-24 22:23:44,206 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1380.99 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 202.64 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...