./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13cb8f020c937b6a3b0b6c39b85904cffb8b3ba5 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 22:47:25,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:47:25,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:47:25,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:47:25,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:47:25,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:47:25,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:47:25,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:47:25,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:47:25,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:47:25,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:47:25,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:47:25,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:47:25,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:47:25,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:47:25,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:47:25,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:47:25,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:47:25,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:47:25,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:47:25,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:47:25,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:47:25,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:47:25,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:47:25,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:47:25,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:47:25,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:47:25,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:47:25,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:47:25,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:47:25,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:47:25,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:47:25,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:47:25,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:47:25,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:47:25,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:47:25,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:47:25,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:47:25,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:47:25,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:47:25,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:47:25,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:47:25,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:47:25,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:47:25,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:47:25,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:47:25,528 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:47:25,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:47:25,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:47:25,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:47:25,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:47:25,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:47:25,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:47:25,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:47:25,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:47:25,536 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:47:25,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:47:25,537 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:47:25,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:47:25,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:47:25,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:47:25,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:47:25,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:47:25,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:47:25,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:47:25,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:47:25,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:47:25,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:47:25,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:47:25,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:47:25,544 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 ! call(__VERIFIER_error())) ) 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 -> 13cb8f020c937b6a3b0b6c39b85904cffb8b3ba5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:47:26,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:47:26,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:47:26,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:47:26,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:47:26,101 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:47:26,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-20 22:47:26,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa1d342b/aa95bdb30b1f4f82a33209f29a1d329d/FLAGc0753b489 [2019-11-20 22:47:27,449 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:47:27,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2019-11-20 22:47:27,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa1d342b/aa95bdb30b1f4f82a33209f29a1d329d/FLAGc0753b489 [2019-11-20 22:47:27,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa1d342b/aa95bdb30b1f4f82a33209f29a1d329d [2019-11-20 22:47:27,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:47:27,545 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:47:27,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:47:27,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:47:27,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:47:27,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:47:27" (1/1) ... [2019-11-20 22:47:27,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a891aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:27, skipping insertion in model container [2019-11-20 22:47:27,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:47:27" (1/1) ... [2019-11-20 22:47:27,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:47:27,693 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:47:28,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:47:28,628 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:47:28,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:47:28,910 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:47:28,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28 WrapperNode [2019-11-20 22:47:28,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:47:28,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:47:28,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:47:28,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:47:28,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:28,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:29,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:47:29,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:47:29,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:47:29,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:47:29,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:29,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:29,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:29,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:29,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:29,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:29,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:29,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:47:29,180 INFO L168 Benchmark]: Toolchain (without parser) took 1614.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 966.8 MB in the end (delta: -9.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:47:29,181 INFO L168 Benchmark]: CDTParser took 2.20 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. [2019-11-20 22:47:29,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1363.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 972.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-20 22:47:29,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.93 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:47:29,190 INFO L168 Benchmark]: Boogie Preprocessor took 82.10 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. [2019-11-20 22:47:29,201 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.20 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 1363.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 972.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 159.93 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.10 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...