./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/simple_built_from_end.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-properties/simple_built_from_end.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 41b5142f2d6582efd6d9a128e4dfef83faaab097 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-properties/simple_built_from_end.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 41b5142f2d6582efd6d9a128e4dfef83faaab097 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:21,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:21,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:21,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:21,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:21,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:21,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:21,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:21,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:21,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:21,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:21,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:21,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:21,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:21,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:21,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:21,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:21,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:21,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:21,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:21,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:21,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:21,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:21,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:21,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:21,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:21,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:21,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:21,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:21,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:21,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:21,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:21,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:21,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:21,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:21,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:21,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:21,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:21,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:21,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:21,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:21,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:21,360 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:21,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:21,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:21,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:21,367 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:21,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:21,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:21,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:21,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:21,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:21,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:21,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:21,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:21,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:21,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:21,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:21,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:21,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:21,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:21,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:21,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:21,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:21,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:21,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:21,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:21,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:21,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:21,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:21,383 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 -> 41b5142f2d6582efd6d9a128e4dfef83faaab097 [2019-11-27 16:10:21,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:21,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:21,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:21,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:21,960 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:21,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-27 16:10:22,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aabce704/f0fbbae64c9249d2b180acf6b306e953/FLAG9b04ce5d2 [2019-11-27 16:10:23,322 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:23,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-27 16:10:23,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aabce704/f0fbbae64c9249d2b180acf6b306e953/FLAG9b04ce5d2 [2019-11-27 16:10:23,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aabce704/f0fbbae64c9249d2b180acf6b306e953 [2019-11-27 16:10:23,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:23,417 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:23,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:23,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:23,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:23,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23, skipping insertion in model container [2019-11-27 16:10:23,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:23,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:24,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:24,495 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:24,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:24,754 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:24,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24 WrapperNode [2019-11-27 16:10:24,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:24,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:24,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:24,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:24,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:24,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:24,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:24,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:24,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:24,953 INFO L168 Benchmark]: Toolchain (without parser) took 1525.44 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 978.2 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:24,964 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:24,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1338.82 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 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:24,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.83 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:24,972 INFO L168 Benchmark]: Boogie Preprocessor took 68.78 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:24,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1338.82 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 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.83 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.78 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:28,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:28,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:28,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:28,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:28,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:28,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:28,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:28,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:28,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:28,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:28,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:28,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:28,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:28,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:28,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:28,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:28,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:28,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:28,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:29,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:29,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:29,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:29,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:29,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:29,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:29,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:29,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:29,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:29,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:29,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:29,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:29,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:29,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:29,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:29,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:29,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:29,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:29,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:29,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:29,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:29,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:29,100 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:29,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:29,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:29,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:29,106 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:29,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:29,109 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:29,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:29,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:29,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:29,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:29,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:29,114 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:29,114 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:29,115 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:29,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:29,115 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:29,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:29,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:29,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:29,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:29,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:29,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:29,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:29,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:29,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:29,121 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:29,122 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:29,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:29,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:29,125 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 -> 41b5142f2d6582efd6d9a128e4dfef83faaab097 [2019-11-27 16:10:29,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:29,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:29,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:29,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:29,713 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:29,716 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-27 16:10:29,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3139cd1ec/65adf0cc285d4ced9c4dafdc65407ed1/FLAG6ac2e6221 [2019-11-27 16:10:31,038 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:31,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-27 16:10:31,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3139cd1ec/65adf0cc285d4ced9c4dafdc65407ed1/FLAG6ac2e6221 [2019-11-27 16:10:31,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3139cd1ec/65adf0cc285d4ced9c4dafdc65407ed1 [2019-11-27 16:10:31,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:31,591 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:31,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:31,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:31,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:31,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:31,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f374e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31, skipping insertion in model container [2019-11-27 16:10:31,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:31,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:31,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:32,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:32,705 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:32,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:32,959 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:32,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32 WrapperNode [2019-11-27 16:10:32,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:32,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:32,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:32,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:32,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:33,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:33,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:33,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:33,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:33,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:33,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:33,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:33,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:33,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:33,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:33,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:33,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:32" (1/1) ... [2019-11-27 16:10:33,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:33,182 INFO L168 Benchmark]: Toolchain (without parser) took 1588.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 968.2 MB in the end (delta: -7.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:33,183 INFO L168 Benchmark]: CDTParser took 1.64 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:33,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1366.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 973.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:33,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.29 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:33,203 INFO L168 Benchmark]: Boogie Preprocessor took 81.49 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:33,217 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64 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 1366.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 973.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.29 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 81.49 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...