./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2n_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/dll2n_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 cfdde8b1798318c3bb26b76a748741913b280952 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2n_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 cfdde8b1798318c3bb26b76a748741913b280952 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:50:13,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:13,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:13,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:13,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:13,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:13,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:13,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:13,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:13,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:13,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:13,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:13,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:13,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:13,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:13,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:13,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:13,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:13,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:13,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:13,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:13,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:13,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:13,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:13,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:13,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:13,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:13,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:13,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:13,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:13,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:13,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:13,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:13,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:13,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:13,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:13,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:13,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:13,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:13,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:13,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:13,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:13,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:13,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:13,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:13,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:13,599 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:13,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:13,599 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:13,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:13,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:13,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:13,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:13,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:13,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:13,604 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:13,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:13,606 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:13,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:13,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:13,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:13,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:13,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:13,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:13,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:13,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:13,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:13,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:13,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:13,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:13,615 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 -> cfdde8b1798318c3bb26b76a748741913b280952 [2019-11-27 09:50:14,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:14,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:14,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:14,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:14,239 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:14,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-27 09:50:14,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1013521bb/cc13fc5ac5084d54bb0819c2a55791b1/FLAG20b54d90c [2019-11-27 09:50:15,584 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:15,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-27 09:50:15,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1013521bb/cc13fc5ac5084d54bb0819c2a55791b1/FLAG20b54d90c [2019-11-27 09:50:15,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1013521bb/cc13fc5ac5084d54bb0819c2a55791b1 [2019-11-27 09:50:15,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:15,680 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:15,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:15,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:15,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:15,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,706 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 09:50:15, skipping insertion in model container [2019-11-27 09:50:15,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:15" (1/1) ... [2019-11-27 09:50:15,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:15,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:16,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:16,713 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:16,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:16,977 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:16,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16 WrapperNode [2019-11-27 09:50:16,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:16,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:16,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:16,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:16,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:17,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:17,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:17,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:17,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:16" (1/1) ... [2019-11-27 09:50:17,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:17,196 INFO L168 Benchmark]: Toolchain (without parser) took 1508.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 621.8 kB). Peak memory consumption was 687.3 kB. Max. memory is 12.5 GB. [2019-11-27 09:50:17,206 INFO L168 Benchmark]: CDTParser took 1.27 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 09:50:17,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1293.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:17,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.03 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 09:50:17,214 INFO L168 Benchmark]: Boogie Preprocessor took 73.29 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 09:50:17,224 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 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 1293.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 130.03 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 73.29 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-da95e15 [2019-11-27 09:50:21,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:21,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:21,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:21,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:21,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:21,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:21,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:21,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:21,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:21,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:21,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:21,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:21,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:21,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:21,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:21,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:21,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:21,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:21,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:21,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:21,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:21,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:21,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:21,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:21,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:21,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:21,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:21,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:21,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:21,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:21,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:21,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:21,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:21,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:21,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:21,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:21,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:21,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:21,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:21,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:21,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:21,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:21,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:21,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:21,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:21,327 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:21,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:21,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:21,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:21,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:21,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:21,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:21,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:21,334 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:21,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:21,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:21,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:21,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:21,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:21,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:21,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:21,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:21,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:21,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:21,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:21,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:21,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:21,340 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:21,342 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:21,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:21,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:21,348 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 -> cfdde8b1798318c3bb26b76a748741913b280952 [2019-11-27 09:50:21,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:21,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:21,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:21,934 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:21,934 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:21,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-27 09:50:22,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3084b0be0/39158b01e2a9455f8a26eba656b04bba/FLAGea491c5d8 [2019-11-27 09:50:23,294 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:23,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_update_all_reverse.i [2019-11-27 09:50:23,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3084b0be0/39158b01e2a9455f8a26eba656b04bba/FLAGea491c5d8 [2019-11-27 09:50:23,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3084b0be0/39158b01e2a9455f8a26eba656b04bba [2019-11-27 09:50:23,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:23,818 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:23,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:23,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:23,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:23,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,837 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 09:50:23, skipping insertion in model container [2019-11-27 09:50:23,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:23" (1/1) ... [2019-11-27 09:50:23,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:23,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:24,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:24,873 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:25,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:25,157 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:25,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:25 WrapperNode [2019-11-27 09:50:25,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:25,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:25,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:25,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:25,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:25" (1/1) ... [2019-11-27 09:50:25,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:25" (1/1) ... [2019-11-27 09:50:25,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:25,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:25,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:25,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:25,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:25" (1/1) ... [2019-11-27 09:50:25,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:25" (1/1) ... [2019-11-27 09:50:25,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:25" (1/1) ... [2019-11-27 09:50:25,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:25" (1/1) ... [2019-11-27 09:50:25,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:25" (1/1) ... [2019-11-27 09:50:25,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:25" (1/1) ... [2019-11-27 09:50:25,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:25" (1/1) ... [2019-11-27 09:50:25,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:25,424 INFO L168 Benchmark]: Toolchain (without parser) took 1604.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.9 MB in the end (delta: -13.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:25,425 INFO L168 Benchmark]: CDTParser took 2.31 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 09:50:25,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1341.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:25,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.61 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:25,433 INFO L168 Benchmark]: Boogie Preprocessor took 114.29 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:25,450 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.31 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 1341.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 141.61 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.29 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 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...