./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-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 65263b67fd81174d35f819c28bc33cb1f3e6621f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/heap-manipulation/sll_to_dll_rev-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 65263b67fd81174d35f819c28bc33cb1f3e6621f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:15,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:15,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:15,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:15,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:15,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:15,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:15,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:15,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:15,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:15,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:15,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:15,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:15,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:15,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:15,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:15,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:15,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:15,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:15,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:15,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:15,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:15,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:15,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:15,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:15,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:15,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:15,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:15,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:15,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:15,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:15,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:15,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:15,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:15,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:15,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:15,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:15,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:15,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:15,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:15,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:15,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:15,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:15,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:15,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:15,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:15,576 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:15,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:15,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:15,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:15,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:15,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:15,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:15,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:15,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:15,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:15,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:15,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:15,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:15,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:15,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:15,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:15,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:15,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:15,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:15,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:15,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:15,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:15,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:15,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:15,590 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 -> 65263b67fd81174d35f819c28bc33cb1f3e6621f [2019-11-27 16:10:16,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:16,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:16,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:16,241 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:16,245 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:16,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2019-11-27 16:10:16,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ea6afe2/69aa4608b2a44139a6b462c2ae01b695/FLAG88563d24e [2019-11-27 16:10:17,611 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:17,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2019-11-27 16:10:17,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ea6afe2/69aa4608b2a44139a6b462c2ae01b695/FLAG88563d24e [2019-11-27 16:10:17,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ea6afe2/69aa4608b2a44139a6b462c2ae01b695 [2019-11-27 16:10:17,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:17,706 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:17,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:17,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:17,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:17,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:17" (1/1) ... [2019-11-27 16:10:17,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69708774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:17, skipping insertion in model container [2019-11-27 16:10:17,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:17" (1/1) ... [2019-11-27 16:10:17,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:17,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:18,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:18,807 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:18,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:19,122 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:19,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:19 WrapperNode [2019-11-27 16:10:19,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:19,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:19,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:19,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:19,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:19" (1/1) ... [2019-11-27 16:10:19,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:19" (1/1) ... [2019-11-27 16:10:19,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:19,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:19,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:19,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:19,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:19" (1/1) ... [2019-11-27 16:10:19,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:19" (1/1) ... [2019-11-27 16:10:19,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:19" (1/1) ... [2019-11-27 16:10:19,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:19" (1/1) ... [2019-11-27 16:10:19,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:19" (1/1) ... [2019-11-27 16:10:19,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:19" (1/1) ... [2019-11-27 16:10:19,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:19" (1/1) ... [2019-11-27 16:10:19,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:19,484 INFO L168 Benchmark]: Toolchain (without parser) took 1770.87 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 16:10:19,485 INFO L168 Benchmark]: CDTParser took 0.57 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 16:10:19,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1420.58 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 16:10:19,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.19 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:19,498 INFO L168 Benchmark]: Boogie Preprocessor took 157.28 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:19,509 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 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 1420.58 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 185.19 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 157.28 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:23,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:23,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:23,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:23,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:23,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:23,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:23,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:23,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:23,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:23,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:23,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:23,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:23,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:23,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:23,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:23,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:23,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:23,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:23,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:23,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:23,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:23,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:23,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:23,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:23,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:23,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:23,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:23,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:23,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:23,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:23,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:23,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:23,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:23,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:23,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:23,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:23,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:23,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:23,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:23,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:23,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:23,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:23,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:23,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:23,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:23,726 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:23,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:23,727 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:23,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:23,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:23,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:23,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:23,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:23,732 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:23,732 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:23,733 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:23,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:23,733 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:23,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:23,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:23,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:23,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:23,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:23,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:23,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:23,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:23,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:23,739 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:23,741 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:23,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:23,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:23,743 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 -> 65263b67fd81174d35f819c28bc33cb1f3e6621f [2019-11-27 16:10:24,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:24,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:24,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:24,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:24,356 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:24,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2019-11-27 16:10:24,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0aa20918/b0b947cfbca14a5abc60813c865dbb8f/FLAG0fc27efe1 [2019-11-27 16:10:25,693 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:25,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2019-11-27 16:10:25,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0aa20918/b0b947cfbca14a5abc60813c865dbb8f/FLAG0fc27efe1 [2019-11-27 16:10:26,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0aa20918/b0b947cfbca14a5abc60813c865dbb8f [2019-11-27 16:10:26,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:26,214 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:26,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:26,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:26,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:26,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:26,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:26, skipping insertion in model container [2019-11-27 16:10:26,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:26" (1/1) ... [2019-11-27 16:10:26,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:26,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:27,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:27,406 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:27,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:27,714 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:27,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27 WrapperNode [2019-11-27 16:10:27,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:27,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:27,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:27,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:27,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:27,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:27,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:27,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:27,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:28,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:28,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:28,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:28,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:28,098 INFO L168 Benchmark]: Toolchain (without parser) took 1878.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 962.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:28,099 INFO L168 Benchmark]: CDTParser took 1.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:28,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1493.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 973.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:28,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.04 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:28,111 INFO L168 Benchmark]: Boogie Preprocessor took 188.45 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:28,121 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 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 1493.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 973.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.04 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 188.45 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...