./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_remove_all.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-simple/sll2n_remove_all.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 a3189d7d4e71631c5441bd903e5049703e07b8be ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-simple/sll2n_remove_all.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 a3189d7d4e71631c5441bd903e5049703e07b8be ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:27:57,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:57,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:57,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:57,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:57,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:57,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:57,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:57,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:57,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:57,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:57,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:57,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:57,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:57,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:57,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:57,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:57,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:57,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:57,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:57,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:57,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:57,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:57,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:57,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:57,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:57,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:57,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:57,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:57,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:57,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:57,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:57,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:57,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:57,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:57,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:57,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:57,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:57,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:57,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:57,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:57,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:57,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:57,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:57,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:57,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:57,540 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:57,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:57,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:57,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:57,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:57,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:57,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:57,547 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:57,547 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:57,548 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:57,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:57,549 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:57,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:57,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:57,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:57,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:57,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:57,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:57,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:57,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:57,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:57,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:57,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:57,555 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 -> a3189d7d4e71631c5441bd903e5049703e07b8be [2019-11-26 00:27:58,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:58,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:58,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:58,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:58,219 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:58,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-26 00:27:58,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa8ed267/d24ae6b7628d4832856ecf43d8e65a24/FLAG374ecbeaf [2019-11-26 00:27:59,649 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:59,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-26 00:27:59,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa8ed267/d24ae6b7628d4832856ecf43d8e65a24/FLAG374ecbeaf [2019-11-26 00:28:00,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa8ed267/d24ae6b7628d4832856ecf43d8e65a24 [2019-11-26 00:28:00,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:00,119 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:00,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:00,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:00,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:00,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59644eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00, skipping insertion in model container [2019-11-26 00:28:00,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:00,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:01,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:01,135 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:01,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:01,399 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:01,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01 WrapperNode [2019-11-26 00:28:01,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:01,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:01,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:01,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:01,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:01,615 INFO L168 Benchmark]: Toolchain (without parser) took 1486.11 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 00:28:01,617 INFO L168 Benchmark]: CDTParser took 1.90 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 00:28:01,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1280.34 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 00:28:01,625 INFO L168 Benchmark]: Boogie Preprocessor took 195.69 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 00:28:01,636 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.90 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 1280.34 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 195.69 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:05,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:05,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:05,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:05,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:05,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:05,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:05,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:05,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:05,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:05,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:05,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:05,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:05,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:05,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:05,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:05,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:05,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:05,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:05,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:05,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:05,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:05,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:05,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:05,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:05,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:05,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:05,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:05,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:05,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:05,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:05,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:05,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:05,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:05,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:05,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:05,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:05,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:05,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:05,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:05,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:05,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:05,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:05,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:05,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:05,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:05,752 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:05,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:05,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:05,753 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:05,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:05,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:05,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:05,757 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:05,758 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:05,758 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:05,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:05,760 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:05,760 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:05,764 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:05,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:05,765 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:05,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:05,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:05,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:05,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:05,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:05,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:05,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:05,767 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:05,769 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:05,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:05,771 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 -> a3189d7d4e71631c5441bd903e5049703e07b8be [2019-11-26 00:28:06,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:06,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:06,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:06,437 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:06,441 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:06,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-26 00:28:06,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748d2e41e/678a1670eed74052a6012e7657141cb0/FLAG1aab04cbd [2019-11-26 00:28:07,739 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:07,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-26 00:28:07,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748d2e41e/678a1670eed74052a6012e7657141cb0/FLAG1aab04cbd [2019-11-26 00:28:08,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748d2e41e/678a1670eed74052a6012e7657141cb0 [2019-11-26 00:28:08,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:08,256 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:08,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:08,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:08,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:08,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:08" (1/1) ... [2019-11-26 00:28:08,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de57550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:08, skipping insertion in model container [2019-11-26 00:28:08,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:08" (1/1) ... [2019-11-26 00:28:08,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:08,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:09,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:09,329 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:09,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:09,610 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:09,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09 WrapperNode [2019-11-26 00:28:09,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:09,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:09,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:09,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:09,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:09,800 INFO L168 Benchmark]: Toolchain (without parser) took 1538.33 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 974.0 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:09,801 INFO L168 Benchmark]: CDTParser took 0.33 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 00:28:09,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1354.43 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:09,805 INFO L168 Benchmark]: Boogie Preprocessor took 173.65 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:09,809 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1354.43 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 173.65 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 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...