./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/dll2c_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 16891def4f6ae6ab6c00fe328146dbdee1a68356 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2c_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 16891def4f6ae6ab6c00fe328146dbdee1a68356 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:03,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:03,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:03,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:03,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:03,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:03,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:03,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:03,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:03,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:03,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:03,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:03,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:03,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:03,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:03,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:03,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:03,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:03,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:03,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:03,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:03,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:03,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:03,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:03,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:03,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:03,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:03,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:03,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:03,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:03,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:03,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:03,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:03,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:03,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:03,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:03,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:03,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:03,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:03,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:03,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:03,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:03,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:03,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:03,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:03,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:03,420 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:03,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:03,421 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:03,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:03,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:03,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:03,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:03,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:03,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:03,427 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:03,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:03,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:03,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:03,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:03,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:03,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:03,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:03,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:03,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:03,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:03,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:03,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:03,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:03,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:03,435 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 -> 16891def4f6ae6ab6c00fe328146dbdee1a68356 [2019-11-27 09:50:04,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:04,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:04,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:04,077 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:04,079 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:04,083 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 09:50:04,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4dd2b3c7/0b59df4282c74ed58158055d8395fed0/FLAG2a09165a7 [2019-11-27 09:50:05,474 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:05,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 09:50:05,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4dd2b3c7/0b59df4282c74ed58158055d8395fed0/FLAG2a09165a7 [2019-11-27 09:50:05,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4dd2b3c7/0b59df4282c74ed58158055d8395fed0 [2019-11-27 09:50:05,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:05,567 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:05,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:05,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:05,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:05,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:05" (1/1) ... [2019-11-27 09:50:05,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:05, skipping insertion in model container [2019-11-27 09:50:05,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:05" (1/1) ... [2019-11-27 09:50:05,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:05,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:06,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:06,596 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:06,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:06,856 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:06,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06 WrapperNode [2019-11-27 09:50:06,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:06,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:06,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:06,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:06,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:06,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:07,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:07,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:07,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:07,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:07,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:07,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:07,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:07,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:07,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:07,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:07,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:06" (1/1) ... [2019-11-27 09:50:07,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:07,174 INFO L168 Benchmark]: Toolchain (without parser) took 1599.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:07,176 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-27 09:50:07,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1289.63 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:07,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.79 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:07,183 INFO L168 Benchmark]: Boogie Preprocessor took 126.91 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:07,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1289.63 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 173.79 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 126.91 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:11,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:11,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:11,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:11,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:11,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:11,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:11,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:11,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:11,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:11,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:11,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:11,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:11,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:11,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:11,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:11,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:11,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:11,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:11,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:11,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:11,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:11,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:11,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:11,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:11,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:11,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:11,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:11,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:11,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:11,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:11,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:11,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:11,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:11,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:11,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:11,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:11,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:11,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:11,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:11,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:11,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:11,228 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:11,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:11,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:11,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:11,235 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:11,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:11,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:11,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:11,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:11,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:11,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:11,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:11,242 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:11,242 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:11,242 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:11,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:11,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:11,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:11,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:11,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:11,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:11,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:11,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:11,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:11,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:11,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:11,249 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:11,252 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:11,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:11,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:11,254 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 -> 16891def4f6ae6ab6c00fe328146dbdee1a68356 [2019-11-27 09:50:11,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:11,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:11,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:11,932 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:11,932 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:11,937 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 09:50:12,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4853c1cb0/ba8239b5d83b49ccb5527e648cfac394/FLAG6f10e3fbb [2019-11-27 09:50:13,282 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:13,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2019-11-27 09:50:13,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4853c1cb0/ba8239b5d83b49ccb5527e648cfac394/FLAG6f10e3fbb [2019-11-27 09:50:13,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4853c1cb0/ba8239b5d83b49ccb5527e648cfac394 [2019-11-27 09:50:13,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:13,762 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:13,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:13,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:13,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:13,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:13" (1/1) ... [2019-11-27 09:50:13,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b2a978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:13, skipping insertion in model container [2019-11-27 09:50:13,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:13" (1/1) ... [2019-11-27 09:50:13,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:13,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:14,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:14,795 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:14,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:15,051 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:15,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15 WrapperNode [2019-11-27 09:50:15,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:15,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:15,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:15,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:15,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:15,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:15,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:15,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:15,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:15,305 INFO L168 Benchmark]: Toolchain (without parser) took 1539.88 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. [2019-11-27 09:50:15,306 INFO L168 Benchmark]: CDTParser took 0.59 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. [2019-11-27 09:50:15,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1279.54 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: -18.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:15,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.62 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. [2019-11-27 09:50:15,319 INFO L168 Benchmark]: Boogie Preprocessor took 101.86 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:15,341 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 1279.54 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: -18.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.62 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. * Boogie Preprocessor took 101.86 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 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...