./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_length_check-1.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-ext3-properties/sll_length_check-1.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 2a99c5e1922c5e2d2ce50e982def02dab2dbd81e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-ext3-properties/sll_length_check-1.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 2a99c5e1922c5e2d2ce50e982def02dab2dbd81e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:50:33,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:33,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:33,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:33,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:33,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:33,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:33,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:33,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:33,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:33,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:33,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:33,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:33,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:33,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:33,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:33,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:33,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:33,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:33,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:33,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:33,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:33,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:33,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:33,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:33,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:33,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:33,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:33,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:33,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:33,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:33,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:33,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:33,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:33,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:33,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:33,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:33,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:33,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:33,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:33,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:33,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:33,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:33,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:33,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:33,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:33,491 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:33,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:33,493 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:33,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:33,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:33,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:33,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:33,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:33,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:33,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:33,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:33,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:33,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:33,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:33,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:33,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:33,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:33,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:33,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:33,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:33,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:33,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:33,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:33,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:33,508 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 -> 2a99c5e1922c5e2d2ce50e982def02dab2dbd81e [2019-11-27 09:50:34,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:34,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:34,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:34,068 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:34,068 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:34,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i [2019-11-27 09:50:34,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5ede0eb/77f4da1b652a4a7c9495bfe3fcd10846/FLAG4153006e4 [2019-11-27 09:50:35,411 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:35,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i [2019-11-27 09:50:35,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5ede0eb/77f4da1b652a4a7c9495bfe3fcd10846/FLAG4153006e4 [2019-11-27 09:50:35,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5ede0eb/77f4da1b652a4a7c9495bfe3fcd10846 [2019-11-27 09:50:35,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:35,934 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:35,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:35,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:35,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:35,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:35" (1/1) ... [2019-11-27 09:50:35,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569f7f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:35, skipping insertion in model container [2019-11-27 09:50:35,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:35" (1/1) ... [2019-11-27 09:50:35,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:36,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:36,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:36,953 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:37,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:37,203 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:37,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37 WrapperNode [2019-11-27 09:50:37,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:37,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:37,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:37,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:37,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:37,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:37,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:37,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:37,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:37,416 INFO L168 Benchmark]: Toolchain (without parser) took 1464.07 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: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:37,419 INFO L168 Benchmark]: CDTParser took 1.15 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 09:50:37,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1260.41 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: -18.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:37,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.41 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:37,426 INFO L168 Benchmark]: Boogie Preprocessor took 71.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:37,434 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 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 1260.41 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: -18.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 117.41 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:41,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:41,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:41,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:41,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:41,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:41,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:41,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:41,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:41,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:41,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:41,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:41,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:41,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:41,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:41,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:41,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:41,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:41,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:41,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:41,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:41,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:41,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:41,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:41,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:41,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:41,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:41,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:41,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:41,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:41,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:41,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:41,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:41,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:41,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:41,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:41,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:41,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:41,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:41,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:41,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:41,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:41,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:41,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:41,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:41,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:41,562 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:41,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:41,563 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:41,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:41,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:41,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:41,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:41,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:41,569 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:41,570 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:41,570 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:41,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:41,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:41,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:41,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:41,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:41,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:41,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:41,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:41,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:41,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:41,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:41,577 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:41,579 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:41,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:41,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:41,581 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 -> 2a99c5e1922c5e2d2ce50e982def02dab2dbd81e [2019-11-27 09:50:42,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:42,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:42,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:42,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:42,130 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:42,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i [2019-11-27 09:50:42,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/553b7e71d/0b3e6bf6a32640f485ff20241ed57d40/FLAG9e1542c06 [2019-11-27 09:50:43,483 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:43,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i [2019-11-27 09:50:43,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/553b7e71d/0b3e6bf6a32640f485ff20241ed57d40/FLAG9e1542c06 [2019-11-27 09:50:43,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/553b7e71d/0b3e6bf6a32640f485ff20241ed57d40 [2019-11-27 09:50:43,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:43,570 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:43,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:43,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:43,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:43,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be22f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:43, skipping insertion in model container [2019-11-27 09:50:43,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:43,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:44,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:44,546 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:44,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:44,807 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:44,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44 WrapperNode [2019-11-27 09:50:44,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:44,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:44,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:44,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:44,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:44,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:44,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:44,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:44,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:44,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:44,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:44,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:44,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:45,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:45,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:45,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:45,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:45,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:45,089 INFO L168 Benchmark]: Toolchain (without parser) took 1516.28 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:45,094 INFO L168 Benchmark]: CDTParser took 0.33 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 09:50:45,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1242.42 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:45,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.73 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 09:50:45,104 INFO L168 Benchmark]: Boogie Preprocessor took 117.49 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 09:50:45,114 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1242.42 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 151.73 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 117.49 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...