./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/sll2n_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 dd9e7bf35989cde866740706d77fd71a632fd664 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll2n_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 dd9e7bf35989cde866740706d77fd71a632fd664 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:55:17,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:17,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:17,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:17,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:17,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:17,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:18,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:18,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:18,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:18,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:18,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:18,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:18,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:18,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:18,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:18,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:18,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:18,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:18,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:18,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:18,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:18,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:18,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:18,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:18,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:18,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:18,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:18,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:18,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:18,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:18,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:18,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:18,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:18,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:18,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:18,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:18,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:18,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:18,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:18,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:18,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:18,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:18,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:18,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:18,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:18,182 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:18,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:18,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:18,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:18,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:18,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:18,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:18,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:18,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:18,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:18,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:18,190 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:18,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:18,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:18,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:18,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:18,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:18,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:18,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:18,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:18,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:18,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:18,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:18,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:18,198 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 -> dd9e7bf35989cde866740706d77fd71a632fd664 [2019-11-25 22:55:18,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:18,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:18,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:18,799 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:18,799 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:18,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-25 22:55:18,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f68e22bb/3f10ce68ac3e44a493821c94cd14d777/FLAG8b798796d [2019-11-25 22:55:20,261 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:20,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-25 22:55:20,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f68e22bb/3f10ce68ac3e44a493821c94cd14d777/FLAG8b798796d [2019-11-25 22:55:20,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f68e22bb/3f10ce68ac3e44a493821c94cd14d777 [2019-11-25 22:55:20,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:20,362 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:20,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:20,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:20,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:20,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:20, skipping insertion in model container [2019-11-25 22:55:20,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:20" (1/1) ... [2019-11-25 22:55:20,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:20,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:21,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:21,512 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:21,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:21,817 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:21,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:21 WrapperNode [2019-11-25 22:55:21,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:21,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:21,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:21,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:21,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:21" (1/1) ... [2019-11-25 22:55:21,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:21" (1/1) ... [2019-11-25 22:55:21,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:21,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:21,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:21,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:22,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:21" (1/1) ... [2019-11-25 22:55:22,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:21" (1/1) ... [2019-11-25 22:55:22,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:21" (1/1) ... [2019-11-25 22:55:22,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:21" (1/1) ... [2019-11-25 22:55:22,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:21" (1/1) ... [2019-11-25 22:55:22,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:21" (1/1) ... [2019-11-25 22:55:22,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:21" (1/1) ... [2019-11-25 22:55:22,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:22,101 INFO L168 Benchmark]: Toolchain (without parser) took 1734.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:22,102 INFO L168 Benchmark]: CDTParser took 2.04 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. [2019-11-25 22:55:22,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1458.37 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. [2019-11-25 22:55:22,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.54 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. [2019-11-25 22:55:22,120 INFO L168 Benchmark]: Boogie Preprocessor took 96.61 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. [2019-11-25 22:55:22,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.04 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 1458.37 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 164.54 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 96.61 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 0.1.24-65d6cd2 [2019-11-25 22:55:26,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:26,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:26,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:26,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:26,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:26,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:26,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:26,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:26,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:26,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:26,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:26,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:26,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:26,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:26,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:26,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:26,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:26,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:26,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:26,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:26,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:26,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:26,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:26,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:26,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:26,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:26,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:26,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:26,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:26,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:26,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:26,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:26,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:26,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:26,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:26,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:26,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:26,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:26,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:26,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:26,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:26,299 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:26,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:26,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:26,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:26,308 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:26,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:26,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:26,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:26,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:26,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:26,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:26,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:26,315 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:26,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:26,316 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:26,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:26,316 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:26,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:26,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:26,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:26,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:26,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:26,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:26,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:26,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:26,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:26,322 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:26,322 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:26,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:26,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:26,326 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 -> dd9e7bf35989cde866740706d77fd71a632fd664 [2019-11-25 22:55:26,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:26,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:26,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:26,934 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:26,935 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:26,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-25 22:55:27,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1dcf8b5/17f1ca7254104108a1e97b17da6129ee/FLAG132b71643 [2019-11-25 22:55:28,369 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:28,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2019-11-25 22:55:28,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1dcf8b5/17f1ca7254104108a1e97b17da6129ee/FLAG132b71643 [2019-11-25 22:55:28,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1dcf8b5/17f1ca7254104108a1e97b17da6129ee [2019-11-25 22:55:28,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:28,479 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:28,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:28,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:28,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:28,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:28, skipping insertion in model container [2019-11-25 22:55:28,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:28" (1/1) ... [2019-11-25 22:55:28,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:28,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:29,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:29,601 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:29,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:29,907 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:29,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:29 WrapperNode [2019-11-25 22:55:29,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:29,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:29,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:29,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:29,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:29" (1/1) ... [2019-11-25 22:55:30,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:29" (1/1) ... [2019-11-25 22:55:30,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:30,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:30,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:30,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:30,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:29" (1/1) ... [2019-11-25 22:55:30,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:29" (1/1) ... [2019-11-25 22:55:30,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:29" (1/1) ... [2019-11-25 22:55:30,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:29" (1/1) ... [2019-11-25 22:55:30,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:29" (1/1) ... [2019-11-25 22:55:30,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:29" (1/1) ... [2019-11-25 22:55:30,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:29" (1/1) ... [2019-11-25 22:55:30,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:30,247 INFO L168 Benchmark]: Toolchain (without parser) took 1757.63 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. [2019-11-25 22:55:30,248 INFO L168 Benchmark]: CDTParser took 3.25 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. [2019-11-25 22:55:30,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1432.79 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. [2019-11-25 22:55:30,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.75 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. [2019-11-25 22:55:30,251 INFO L168 Benchmark]: Boogie Preprocessor took 133.35 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. [2019-11-25 22:55:30,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.25 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 1432.79 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 183.75 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 133.35 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...