./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/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_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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd9e7bf35989cde866740706d77fd71a632fd664 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:12:08,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:08,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:08,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:08,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:08,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:08,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:08,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:08,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:08,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:08,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:08,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:08,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:08,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:08,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:08,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:08,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:08,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:08,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:08,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:08,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:08,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:08,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:08,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:08,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:08,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:08,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:08,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:08,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:08,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:08,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:08,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:08,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:08,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:08,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:08,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:08,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:08,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:08,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:08,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:08,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:08,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:08,394 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:08,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:08,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:08,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:08,401 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:08,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:08,401 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:08,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:08,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:08,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:08,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:08,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:08,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:08,406 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:08,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:08,406 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:08,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:08,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:08,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:08,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:08,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:08,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:08,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:08,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:08,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:08,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:08,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:08,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:08,412 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 [2019-11-27 16:12:08,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:08,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:08,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:08,937 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:08,940 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:08,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-27 16:12:09,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a0f85c3/c7d9e1a5cbd04e6ebf640b4245d3e69f/FLAGa3c3ee7b4 [2019-11-27 16:12:09,893 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:09,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-27 16:12:09,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a0f85c3/c7d9e1a5cbd04e6ebf640b4245d3e69f/FLAGa3c3ee7b4 [2019-11-27 16:12:10,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a0f85c3/c7d9e1a5cbd04e6ebf640b4245d3e69f [2019-11-27 16:12:10,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:10,088 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:10,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:10,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:10,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:10,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc7aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:10, skipping insertion in model container [2019-11-27 16:12:10,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:10" (1/1) ... [2019-11-27 16:12:10,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:10,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:10,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:10,854 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:10,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:11,046 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:11,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11 WrapperNode [2019-11-27 16:12:11,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:11,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:11,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:11,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:11,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:11,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:11,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:11,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:11,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:11" (1/1) ... [2019-11-27 16:12:11,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:11,241 INFO L168 Benchmark]: Toolchain (without parser) took 1150.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 966.8 MB in the end (delta: -827.2 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:11,247 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-27 16:12:11,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 952.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:11,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.14 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. [2019-11-27 16:12:11,254 INFO L168 Benchmark]: Boogie Preprocessor took 78.62 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. [2019-11-27 16:12:11,265 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 952.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.14 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 78.62 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:12:14,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:14,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:14,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:14,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:14,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:14,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:14,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:14,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:14,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:14,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:14,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:14,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:14,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:14,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:14,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:14,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:14,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:14,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:14,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:14,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:14,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:14,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:14,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:14,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:14,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:14,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:14,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:14,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:14,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:14,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:14,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:14,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:14,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:14,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:14,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:14,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:14,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:14,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:14,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:14,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:14,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:14,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:14,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:14,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:14,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:14,223 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:14,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:14,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:14,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:14,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:14,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:14,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:14,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:14,226 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:14,226 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:14,227 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:14,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:14,227 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:14,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:14,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:14,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:14,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:14,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:14,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:14,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:14,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:14,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:14,232 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:14,232 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:14,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:14,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:14,233 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 ! 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 [2019-11-27 16:12:14,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:14,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:14,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:14,727 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:14,727 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:14,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-27 16:12:14,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7c4fa37/5c8f54195ba94e9fa56c2a0c9dd6ad67/FLAG4ca76b083 [2019-11-27 16:12:15,663 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:15,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-27 16:12:15,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7c4fa37/5c8f54195ba94e9fa56c2a0c9dd6ad67/FLAG4ca76b083 [2019-11-27 16:12:15,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7c4fa37/5c8f54195ba94e9fa56c2a0c9dd6ad67 [2019-11-27 16:12:15,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:15,861 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:15,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:15,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:15,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:15,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:15" (1/1) ... [2019-11-27 16:12:15,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f80d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:15, skipping insertion in model container [2019-11-27 16:12:15,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:15" (1/1) ... [2019-11-27 16:12:15,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:15,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:16,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:16,680 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:16,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:16,881 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:16,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:16 WrapperNode [2019-11-27 16:12:16,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:16,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:16,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:16,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:16,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:16,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:16,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:16,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:16,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:16,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:16,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:16,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:17,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:17,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:17,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:17,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:17,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:16" (1/1) ... [2019-11-27 16:12:17,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:17,078 INFO L168 Benchmark]: Toolchain (without parser) took 1213.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 966.8 MB in the end (delta: -791.5 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:17,081 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-27 16:12:17,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1010.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:17,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.86 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. [2019-11-27 16:12:17,096 INFO L168 Benchmark]: Boogie Preprocessor took 86.55 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:17,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 1010.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.5 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 101.86 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. * Boogie Preprocessor took 86.55 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 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...