./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.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-2.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 13de6e88afef243c8793160461f39a44fcce6b24 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-2.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 13de6e88afef243c8793160461f39a44fcce6b24 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:50:33,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:33,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:33,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:33,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:33,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:33,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:33,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:33,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:33,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:33,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:33,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:33,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:33,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:33,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:33,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:33,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:33,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:33,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:33,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:33,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:33,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:33,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:33,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:33,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:33,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:33,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:33,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:33,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:33,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:33,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:33,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:33,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:33,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:33,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:33,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:33,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:33,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:33,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:33,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:33,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:33,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:33,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:33,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:33,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:33,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:33,791 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:33,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:33,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:33,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:33,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:33,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:33,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:33,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:33,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:33,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:33,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:33,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:33,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:33,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:33,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:33,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:33,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:33,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:33,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:33,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:33,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:33,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:33,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:33,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:33,807 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 -> 13de6e88afef243c8793160461f39a44fcce6b24 [2019-11-27 09:50:34,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:34,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:34,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:34,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:34,402 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:34,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 09:50:34,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9999a0bd1/a4646196f0624ae480879bcee492a7b0/FLAGe135810cd [2019-11-27 09:50:35,826 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:35,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 09:50:35,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9999a0bd1/a4646196f0624ae480879bcee492a7b0/FLAGe135810cd [2019-11-27 09:50:35,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9999a0bd1/a4646196f0624ae480879bcee492a7b0 [2019-11-27 09:50:35,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:35,916 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:35,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:35,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:35,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:35,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:35" (1/1) ... [2019-11-27 09:50:35,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea 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 09:50:35,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:35" (1/1) ... [2019-11-27 09:50:35,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:36,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:36,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:36,926 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:37,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:37,181 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:37,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37 WrapperNode [2019-11-27 09:50:37,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:37,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:37,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:37,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:37,207 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 09:50:37,241 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 09:50:37,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:37,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:37,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:37,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:37,328 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 09:50:37,331 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 09:50:37,352 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 09:50:37,353 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 09:50:37,376 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 09:50:37,387 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 09:50:37,392 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 09:50:37,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:37,412 INFO L168 Benchmark]: Toolchain (without parser) took 1490.92 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 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:37,427 INFO L168 Benchmark]: CDTParser took 3.62 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 09:50:37,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1265.28 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 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:37,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.92 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:37,435 INFO L168 Benchmark]: Boogie Preprocessor took 92.95 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:37,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.62 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 1265.28 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 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 120.92 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.95 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 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 09:50:41,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:41,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:41,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:41,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:41,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:41,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:41,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:41,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:41,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:41,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:41,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:41,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:41,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:41,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:41,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:41,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:41,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:41,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:41,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:41,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:41,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:41,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:41,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:41,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:41,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:41,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:41,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:41,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:41,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:41,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:41,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:41,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:41,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:41,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:41,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:41,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:41,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:41,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:41,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:41,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:41,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:41,515 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:41,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:41,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:41,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:41,523 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:41,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:41,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:41,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:41,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:41,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:41,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:41,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:41,529 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:41,530 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:41,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:41,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:41,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:41,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:41,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:41,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:41,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:41,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:41,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:41,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:41,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:41,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:41,538 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:41,539 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:41,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:41,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:41,541 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 -> 13de6e88afef243c8793160461f39a44fcce6b24 [2019-11-27 09:50:42,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:42,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:42,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:42,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:42,164 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:42,169 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 09:50:42,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7475a0c7/cc40964909974f18873453f8388a2c3d/FLAGc6ca3b7c8 [2019-11-27 09:50:43,571 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:43,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 09:50:43,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7475a0c7/cc40964909974f18873453f8388a2c3d/FLAGc6ca3b7c8 [2019-11-27 09:50:43,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7475a0c7/cc40964909974f18873453f8388a2c3d [2019-11-27 09:50:43,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:43,659 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:43,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:43,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:43,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:43,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea 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 09:50:43,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:43" (1/1) ... [2019-11-27 09:50:43,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:43,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:44,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:44,586 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:44,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:44,854 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:44,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44 WrapperNode [2019-11-27 09:50:44,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:44,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:44,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:44,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:44,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:44,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:45,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:45,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:45,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:45,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:45,023 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 09:50:45,024 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 09:50:45,037 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 09:50:45,037 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 09:50:45,084 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 09:50:45,111 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 09:50:45,120 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 09:50:45,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:45,147 INFO L168 Benchmark]: Toolchain (without parser) took 1486.73 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: 649.0 kB). Peak memory consumption was 714.6 kB. Max. memory is 12.5 GB. [2019-11-27 09:50:45,151 INFO L168 Benchmark]: CDTParser took 0.53 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 09:50:45,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1196.33 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:45,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.78 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 09:50:45,156 INFO L168 Benchmark]: Boogie Preprocessor took 126.78 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 09:50:45,168 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 1196.33 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 153.78 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 126.78 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...