./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.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/dll2c_prepend_unequal.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 b171d8322722cfe50829ea6c9e3bfdd3740068da ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2c_prepend_unequal.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 b171d8322722cfe50829ea6c9e3bfdd3740068da ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:55:00,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:00,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:00,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:00,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:00,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:00,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:00,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:00,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:00,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:00,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:00,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:00,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:00,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:00,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:00,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:00,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:00,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:00,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:00,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:00,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:00,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:00,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:00,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:00,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:00,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:00,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:00,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:00,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:00,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:00,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:00,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:00,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:00,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:00,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:00,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:00,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:00,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:00,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:00,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:00,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:00,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:00,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:00,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:00,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:00,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:00,450 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:00,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:00,450 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:00,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:00,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:00,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:00,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:00,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:00,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:00,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:00,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:00,455 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:00,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:00,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:00,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:00,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:00,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:00,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:00,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:00,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:00,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:00,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:00,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:00,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:00,459 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 -> b171d8322722cfe50829ea6c9e3bfdd3740068da [2019-11-25 22:55:01,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:01,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:01,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:01,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:01,086 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:01,087 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-25 22:55:01,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6b4ad6ec/f868e9ecb66840b4ae475698dabef1ad/FLAG958c55f95 [2019-11-25 22:55:02,470 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:02,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-25 22:55:02,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6b4ad6ec/f868e9ecb66840b4ae475698dabef1ad/FLAG958c55f95 [2019-11-25 22:55:02,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6b4ad6ec/f868e9ecb66840b4ae475698dabef1ad [2019-11-25 22:55:02,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:02,552 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:02,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:02,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:02,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:02,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:02" (1/1) ... [2019-11-25 22:55:02,576 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 25.11 10:55:02, skipping insertion in model container [2019-11-25 22:55:02,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:02" (1/1) ... [2019-11-25 22:55:02,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:02,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:03,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:03,654 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:03,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:03,938 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:03,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03 WrapperNode [2019-11-25 22:55:03,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:03,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:03,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:03,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:03,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:04,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:04,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:04,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:04,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:04,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:04,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:04,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:04,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:04,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:04,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:04,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:04,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:03" (1/1) ... [2019-11-25 22:55:04,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:04,209 INFO L168 Benchmark]: Toolchain (without parser) took 1639.16 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:04,212 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. [2019-11-25 22:55:04,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.24 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:04,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.47 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:04,221 INFO L168 Benchmark]: Boogie Preprocessor took 100.25 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 22:55:04,233 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 1384.24 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 978.3 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 146.47 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 100.25 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. 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 22:55:08,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:08,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:08,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:08,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:08,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:08,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:08,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:08,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:08,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:08,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:08,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:08,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:08,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:08,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:08,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:08,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:08,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:08,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:08,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:08,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:08,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:08,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:08,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:08,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:08,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:08,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:08,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:08,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:08,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:08,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:08,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:08,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:08,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:08,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:08,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:08,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:08,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:08,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:08,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:08,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:08,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:08,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:08,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:08,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:08,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:08,392 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:08,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:08,396 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:08,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:08,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:08,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:08,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:08,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:08,399 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:08,399 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:08,400 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:08,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:08,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:08,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:08,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:08,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:08,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:08,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:08,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:08,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:08,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:08,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:08,409 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:08,409 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:08,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:08,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:08,411 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 -> b171d8322722cfe50829ea6c9e3bfdd3740068da [2019-11-25 22:55:09,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:09,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:09,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:09,057 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:09,058 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:09,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-25 22:55:09,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a468fe976/55f6ca978861427cb17c4e6be197f655/FLAG2298c38ad [2019-11-25 22:55:10,437 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:10,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2019-11-25 22:55:10,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a468fe976/55f6ca978861427cb17c4e6be197f655/FLAG2298c38ad [2019-11-25 22:55:10,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a468fe976/55f6ca978861427cb17c4e6be197f655 [2019-11-25 22:55:10,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:10,523 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:10,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:10,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:10,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:10,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:10" (1/1) ... [2019-11-25 22:55:10,551 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 25.11 10:55:10, skipping insertion in model container [2019-11-25 22:55:10,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:10" (1/1) ... [2019-11-25 22:55:10,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:10,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:11,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:11,583 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:11,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:11,889 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:11,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11 WrapperNode [2019-11-25 22:55:11,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:11,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:11,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:11,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:11,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:11,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:12,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:12,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:12,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:12,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:12,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:12,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:12,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:12,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:12,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:12,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:12,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:11" (1/1) ... [2019-11-25 22:55:12,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:12,154 INFO L168 Benchmark]: Toolchain (without parser) took 1629.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 701.3 kB). Peak memory consumption was 766.8 kB. Max. memory is 12.5 GB. [2019-11-25 22:55:12,162 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:12,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1363.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:12,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.57 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:12,177 INFO L168 Benchmark]: Boogie Preprocessor took 114.83 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:12,189 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1363.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.57 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.83 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 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...