./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_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_update_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 dd9e7bf35989cde866740706d77fd71a632fd664 --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 22:47:25,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:47:25,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:47:26,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:47:26,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:47:26,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:47:26,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:47:26,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:47:26,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:47:26,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:47:26,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:47:26,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:47:26,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:47:26,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:47:26,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:47:26,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:47:26,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:47:26,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:47:26,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:47:26,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:47:26,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:47:26,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:47:26,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:47:26,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:47:26,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:47:26,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:47:26,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:47:26,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:47:26,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:47:26,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:47:26,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:47:26,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:47:26,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:47:26,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:47:26,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:47:26,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:47:26,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:47:26,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:47:26,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:47:26,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:47:26,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:47:26,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:47:26,238 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:47:26,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:47:26,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:47:26,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:47:26,249 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:47:26,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:47:26,250 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:47:26,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:47:26,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:47:26,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:47:26,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:47:26,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:47:26,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:47:26,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:47:26,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:47:26,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:47:26,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:47:26,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:47:26,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:47:26,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:47:26,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:47:26,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:47:26,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:47:26,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:47:26,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:47:26,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:47:26,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:47:26,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:47:26,265 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 -> dd9e7bf35989cde866740706d77fd71a632fd664 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:47:26,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:47:26,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:47:26,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:47:26,956 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:47:26,957 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:47:26,961 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-20 22:47:27,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e2fd22c/79e493220d9141fb891e87dec7dd4b80/FLAG45c87e813 [2019-11-20 22:47:28,340 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:47:28,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-20 22:47:28,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e2fd22c/79e493220d9141fb891e87dec7dd4b80/FLAG45c87e813 [2019-11-20 22:47:28,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e2fd22c/79e493220d9141fb891e87dec7dd4b80 [2019-11-20 22:47:28,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:47:28,436 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:47:28,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:47:28,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:47:28,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:47:28,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:28,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2dc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:28, skipping insertion in model container [2019-11-20 22:47:28,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:47:28" (1/1) ... [2019-11-20 22:47:28,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:47:28,615 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:47:29,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:47:29,459 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:47:29,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:47:29,736 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:47:29,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:29 WrapperNode [2019-11-20 22:47:29,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:47:29,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:47:29,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:47:29,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:47:29,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:29" (1/1) ... [2019-11-20 22:47:29,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:29" (1/1) ... [2019-11-20 22:47:29,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:47:29,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:47:29,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:47:29,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:47:29,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:29" (1/1) ... [2019-11-20 22:47:29,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:29" (1/1) ... [2019-11-20 22:47:29,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:29" (1/1) ... [2019-11-20 22:47:29,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:29" (1/1) ... [2019-11-20 22:47:29,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:29" (1/1) ... [2019-11-20 22:47:30,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:29" (1/1) ... [2019-11-20 22:47:30,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:29" (1/1) ... [2019-11-20 22:47:30,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:47:30,034 INFO L168 Benchmark]: Toolchain (without parser) took 1596.13 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 962.5 MB in the end (delta: -796.4 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:47:30,035 INFO L168 Benchmark]: CDTParser took 0.38 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 22:47:30,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1305.05 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-20 22:47:30,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.35 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:47:30,046 INFO L168 Benchmark]: Boogie Preprocessor took 111.72 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-20 22:47:30,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1305.05 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 170.35 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 111.72 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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...