./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.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/sll_length_check-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 13de6e88afef243c8793160461f39a44fcce6b24 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll_length_check-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 13de6e88afef243c8793160461f39a44fcce6b24 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:28:06,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:06,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:06,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:06,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:06,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:06,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:06,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:06,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:06,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:06,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:06,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:06,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:06,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:06,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:06,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:06,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:06,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:06,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:06,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:06,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:06,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:06,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:06,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:06,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:06,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:06,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:06,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:06,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:06,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:06,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:06,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:06,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:06,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:06,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:06,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:06,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:06,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:06,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:06,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:06,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:06,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:28:06,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:06,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:06,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:06,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:06,530 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:06,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:06,531 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:06,531 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:06,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:06,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:06,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:06,536 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:06,536 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:06,537 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:06,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:06,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:06,538 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:06,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:06,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:06,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:06,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:06,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:06,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:06,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:06,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:06,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:06,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:06,546 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 -> 13de6e88afef243c8793160461f39a44fcce6b24 [2019-11-26 00:28:07,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:07,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:07,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:07,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:07,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:07,215 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-26 00:28:07,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32882f68b/de8fe4ef60494ba4bdd816d16f7e3bc0/FLAGf4159854c [2019-11-26 00:28:08,429 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:08,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-26 00:28:08,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32882f68b/de8fe4ef60494ba4bdd816d16f7e3bc0/FLAGf4159854c [2019-11-26 00:28:08,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32882f68b/de8fe4ef60494ba4bdd816d16f7e3bc0 [2019-11-26 00:28:08,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:08,982 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:08,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:08,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:09,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:09,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:08" (1/1) ... [2019-11-26 00:28:09,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52e31a 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 00:28:09,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:08" (1/1) ... [2019-11-26 00:28:09,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:09,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:09,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:09,947 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:10,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:10,191 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:10,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:10 WrapperNode [2019-11-26 00:28:10,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:10,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:10,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:10,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:10,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:10" (1/1) ... [2019-11-26 00:28:10,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:10" (1/1) ... [2019-11-26 00:28:10,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:10" (1/1) ... [2019-11-26 00:28:10,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:10" (1/1) ... [2019-11-26 00:28:10,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:10" (1/1) ... [2019-11-26 00:28:10,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:10" (1/1) ... [2019-11-26 00:28:10,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:10" (1/1) ... [2019-11-26 00:28:10,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:10,388 INFO L168 Benchmark]: Toolchain (without parser) took 1398.14 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 972.6 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:10,389 INFO L168 Benchmark]: CDTParser took 0.75 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 00:28:10,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1201.16 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 972.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:10,401 INFO L168 Benchmark]: Boogie Preprocessor took 179.51 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. [2019-11-26 00:28:10,411 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 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 1201.16 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 972.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 179.51 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 0.1.24-65d6cd2 [2019-11-26 00:28:14,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:14,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:14,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:14,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:14,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:14,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:14,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:14,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:14,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:14,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:14,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:14,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:14,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:14,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:14,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:14,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:14,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:14,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:14,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:14,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:14,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:14,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:14,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:14,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:14,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:14,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:14,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:14,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:14,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:14,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:14,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:14,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:14,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:14,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:14,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:14,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:14,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:14,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:14,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:14,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:14,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:14,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:14,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:14,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:14,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:14,529 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:14,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:14,533 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:14,534 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:14,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:14,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:14,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:14,542 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:14,545 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:14,547 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:14,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:14,549 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:14,551 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:14,552 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:14,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:14,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:14,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:14,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:14,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:14,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:14,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:14,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:14,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:14,560 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:14,561 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:14,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:14,565 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 -> 13de6e88afef243c8793160461f39a44fcce6b24 [2019-11-26 00:28:15,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:15,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:15,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:15,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:15,271 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:15,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-26 00:28:15,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c47b71df/30fc19a9a45f4f549590b8214ee72613/FLAG0973e055e [2019-11-26 00:28:16,592 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:16,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-26 00:28:16,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c47b71df/30fc19a9a45f4f549590b8214ee72613/FLAG0973e055e [2019-11-26 00:28:17,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c47b71df/30fc19a9a45f4f549590b8214ee72613 [2019-11-26 00:28:17,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:17,133 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:17,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:17,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:17,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:17,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:17" (1/1) ... [2019-11-26 00:28:17,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:17, skipping insertion in model container [2019-11-26 00:28:17,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:17" (1/1) ... [2019-11-26 00:28:17,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:17,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:18,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:18,109 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:18,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:18,350 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:18,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:18 WrapperNode [2019-11-26 00:28:18,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:18,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:18,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:18,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:18,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:18" (1/1) ... [2019-11-26 00:28:18,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:18" (1/1) ... [2019-11-26 00:28:18,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:18" (1/1) ... [2019-11-26 00:28:18,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:18" (1/1) ... [2019-11-26 00:28:18,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:18" (1/1) ... [2019-11-26 00:28:18,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:18" (1/1) ... [2019-11-26 00:28:18,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:18" (1/1) ... [2019-11-26 00:28:18,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:18,534 INFO L168 Benchmark]: Toolchain (without parser) took 1400.48 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 979.7 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:18,535 INFO L168 Benchmark]: CDTParser took 0.34 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 00:28:18,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1206.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 979.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:18,547 INFO L168 Benchmark]: Boogie Preprocessor took 176.65 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:18,554 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1206.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 979.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 176.65 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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...