./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db17479a00afa98e4ce70a37e790a923b748e4dc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db17479a00afa98e4ce70a37e790a923b748e4dc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:50:17,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:17,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:17,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:17,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:17,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:17,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:17,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:17,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:17,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:17,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:17,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:17,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:17,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:17,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:17,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:17,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:17,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:17,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:17,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:17,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:17,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:17,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:17,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:17,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:17,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:17,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:17,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:17,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:17,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:17,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:17,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:17,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:17,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:17,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:17,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:17,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:17,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:17,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:17,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:17,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:18,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:18,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:18,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:18,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:18,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:18,048 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:18,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:18,049 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:18,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:18,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:18,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:18,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:18,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:18,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:18,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:18,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:18,057 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:18,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:18,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:18,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:18,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:18,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:18,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:18,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:18,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:18,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:18,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:18,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:18,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:18,064 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 -> db17479a00afa98e4ce70a37e790a923b748e4dc [2019-11-27 09:50:18,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:18,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:18,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:18,671 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:18,674 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:18,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2019-11-27 09:50:18,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b02854a/90ca1ffab01f4cd69768aeb62649958a/FLAG8d3364f80 [2019-11-27 09:50:20,099 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:20,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2019-11-27 09:50:20,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b02854a/90ca1ffab01f4cd69768aeb62649958a/FLAG8d3364f80 [2019-11-27 09:50:20,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b02854a/90ca1ffab01f4cd69768aeb62649958a [2019-11-27 09:50:20,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:20,199 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:20,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:20,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:20,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:20,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:20" (1/1) ... [2019-11-27 09:50:20,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:20, skipping insertion in model container [2019-11-27 09:50:20,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:20" (1/1) ... [2019-11-27 09:50:20,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:20,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:21,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:21,266 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:21,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:21,569 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:21,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21 WrapperNode [2019-11-27 09:50:21,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:21,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:21,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:21,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:21,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:21,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:21,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:21,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:21,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:21" (1/1) ... [2019-11-27 09:50:21,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:21,849 INFO L168 Benchmark]: Toolchain (without parser) took 1647.82 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 09:50:21,863 INFO L168 Benchmark]: CDTParser took 0.40 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 09:50:21,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1374.92 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:21,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.12 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 09:50:21,872 INFO L168 Benchmark]: Boogie Preprocessor took 94.77 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 09:50:21,882 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1374.92 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 167.12 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 94.77 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:25,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:25,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:25,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:25,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:25,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:25,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:25,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:25,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:26,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:26,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:26,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:26,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:26,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:26,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:26,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:26,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:26,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:26,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:26,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:26,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:26,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:26,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:26,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:26,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:26,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:26,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:26,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:26,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:26,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:26,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:26,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:26,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:26,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:26,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:26,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:26,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:26,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:26,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:26,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:26,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:26,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:26,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:26,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:26,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:26,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:26,162 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:26,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:26,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:26,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:26,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:26,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:26,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:26,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:26,167 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:26,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:26,168 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:26,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:26,170 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:26,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:26,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:26,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:26,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:26,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:26,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:26,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:26,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:26,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:26,176 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:26,176 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:26,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:26,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:26,179 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 -> db17479a00afa98e4ce70a37e790a923b748e4dc [2019-11-27 09:50:26,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:26,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:26,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:26,802 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:26,803 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:26,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2019-11-27 09:50:26,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c085fdb47/cfeeba95c25f4fab9a2dc8be357ff873/FLAG74a68f7a7 [2019-11-27 09:50:28,235 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:28,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2019-11-27 09:50:28,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c085fdb47/cfeeba95c25f4fab9a2dc8be357ff873/FLAG74a68f7a7 [2019-11-27 09:50:28,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c085fdb47/cfeeba95c25f4fab9a2dc8be357ff873 [2019-11-27 09:50:28,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:28,330 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:28,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:28,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:28,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:28,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:28" (1/1) ... [2019-11-27 09:50:28,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:28, skipping insertion in model container [2019-11-27 09:50:28,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:28" (1/1) ... [2019-11-27 09:50:28,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:28,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:29,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:29,407 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:29,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:29,714 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:29,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29 WrapperNode [2019-11-27 09:50:29,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:29,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:29,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:29,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:29,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:29,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:29,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:29,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:29,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:29,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:30,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:29" (1/1) ... [2019-11-27 09:50:30,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:30,039 INFO L168 Benchmark]: Toolchain (without parser) took 1706.12 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 09:50:30,043 INFO L168 Benchmark]: CDTParser took 0.38 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 09:50:30,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1385.38 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:30,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.13 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 09:50:30,050 INFO L168 Benchmark]: Boogie Preprocessor took 139.55 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 09:50:30,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1385.38 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.13 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 139.55 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...