./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7546d6e17020b89cf8d45870128d84e73c6cd245 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7546d6e17020b89cf8d45870128d84e73c6cd245 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:59,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:59,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:59,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:59,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:59,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:59,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:59,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:59,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:59,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:59,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:59,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:59,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:59,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:59,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:59,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:59,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:59,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:59,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:59,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:59,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:59,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:59,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:59,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:59,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:59,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:59,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:59,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:59,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:59,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:59,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:59,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:59,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:59,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:59,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:59,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:59,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:59,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:59,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:59,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:59,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:59,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:59,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:59,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:59,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:59,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:59,411 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:59,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:59,413 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:59,413 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:59,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:59,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:59,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:59,418 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:59,418 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:59,421 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:59,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:59,421 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:59,422 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:59,422 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:59,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:59,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:59,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:59,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:59,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:59,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:59,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:59,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:59,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:59,428 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 -> 7546d6e17020b89cf8d45870128d84e73c6cd245 [2019-11-26 00:28:00,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:00,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:00,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:00,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:00,172 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:00,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2019-11-26 00:28:00,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa39ba5c3/3c916be7e8224570bebb5f8f5485a0f5/FLAGfbfafe007 [2019-11-26 00:28:01,608 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:01,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2019-11-26 00:28:01,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa39ba5c3/3c916be7e8224570bebb5f8f5485a0f5/FLAGfbfafe007 [2019-11-26 00:28:01,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa39ba5c3/3c916be7e8224570bebb5f8f5485a0f5 [2019-11-26 00:28:01,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:01,705 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:01,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:01,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:01,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:01,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f39a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01, skipping insertion in model container [2019-11-26 00:28:01,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:01,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:02,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:02,735 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:02,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:02,963 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:02,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02 WrapperNode [2019-11-26 00:28:02,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:02,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:02,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:02,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:02,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:02,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:03,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:03,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:03,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:03,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:03,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:02" (1/1) ... [2019-11-26 00:28:03,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:03,169 INFO L168 Benchmark]: Toolchain (without parser) took 1461.51 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 978.3 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:03,173 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:03,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1259.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:03,178 INFO L168 Benchmark]: Boogie Preprocessor took 192.43 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:03,182 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 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 1259.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.43 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:07,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:07,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:07,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:07,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:07,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:07,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:07,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:07,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:07,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:07,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:07,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:07,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:07,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:07,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:07,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:07,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:07,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:07,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:07,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:07,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:07,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:07,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:07,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:07,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:07,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:07,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:07,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:07,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:07,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:07,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:07,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:07,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:07,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:07,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:07,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:07,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:07,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:07,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:07,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:07,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:07,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:07,580 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:07,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:07,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:07,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:07,589 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:07,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:07,590 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:07,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:07,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:07,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:07,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:07,595 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:07,595 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:07,596 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:07,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:07,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:07,597 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:07,597 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:07,599 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:07,599 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:07,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:07,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:07,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:07,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:07,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:07,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:07,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:07,603 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:07,605 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:07,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:07,607 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 -> 7546d6e17020b89cf8d45870128d84e73c6cd245 [2019-11-26 00:28:08,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:08,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:08,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:08,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:08,307 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:08,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2019-11-26 00:28:08,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039267d8f/5b6f8e70c1fc4bdfbbcb74b4a6dc9802/FLAG96d3139f7 [2019-11-26 00:28:09,758 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:09,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2019-11-26 00:28:09,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039267d8f/5b6f8e70c1fc4bdfbbcb74b4a6dc9802/FLAG96d3139f7 [2019-11-26 00:28:09,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039267d8f/5b6f8e70c1fc4bdfbbcb74b4a6dc9802 [2019-11-26 00:28:09,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:09,832 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:09,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:09,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:09,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:09,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af3dfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09, skipping insertion in model container [2019-11-26 00:28:09,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:09,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:10,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:10,852 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:11,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:11,127 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:11,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:11 WrapperNode [2019-11-26 00:28:11,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:11,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:11,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:11,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:11,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:11" (1/1) ... [2019-11-26 00:28:11,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:11" (1/1) ... [2019-11-26 00:28:11,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:11" (1/1) ... [2019-11-26 00:28:11,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:11" (1/1) ... [2019-11-26 00:28:11,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:11" (1/1) ... [2019-11-26 00:28:11,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:11" (1/1) ... [2019-11-26 00:28:11,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:11" (1/1) ... [2019-11-26 00:28:11,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:11,340 INFO L168 Benchmark]: Toolchain (without parser) took 1502.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 635.5 kB). Peak memory consumption was 701.0 kB. Max. memory is 12.5 GB. [2019-11-26 00:28:11,342 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:11,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1284.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:11,355 INFO L168 Benchmark]: Boogie Preprocessor took 196.24 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. [2019-11-26 00:28:11,364 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1284.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 196.24 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...