./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_remove_all.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 7fbc512cc0cc4741feb6422c538797cb2d252dab ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_remove_all.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 7fbc512cc0cc4741feb6422c538797cb2d252dab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:08:45,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:45,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:45,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:45,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:45,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:45,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:45,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:45,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:45,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:45,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:45,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:45,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:45,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:45,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:45,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:45,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:45,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:45,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:45,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:45,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:45,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:45,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:45,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:45,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:45,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:45,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:45,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:45,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:45,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:45,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:45,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:45,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:45,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:45,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:45,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:45,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:45,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:45,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:45,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:45,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:45,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:45,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:45,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:45,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:45,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:45,708 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:45,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:45,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:45,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:45,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:45,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:45,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:45,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:45,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:45,713 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:45,713 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:45,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:45,716 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:45,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:45,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:45,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:45,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:45,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:45,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:45,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:45,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:45,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:45,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:45,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:45,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:45,718 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 -> 7fbc512cc0cc4741feb6422c538797cb2d252dab [2019-11-24 21:08:46,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:46,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:46,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:46,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:46,238 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:46,239 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-24 21:08:46,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8fbebfe/67b92b01e7b7438d8cf63fee92a17d20/FLAG8abb511d9 [2019-11-24 21:08:47,187 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:47,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-24 21:08:47,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8fbebfe/67b92b01e7b7438d8cf63fee92a17d20/FLAG8abb511d9 [2019-11-24 21:08:47,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8fbebfe/67b92b01e7b7438d8cf63fee92a17d20 [2019-11-24 21:08:47,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:47,394 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:47,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:47,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:47,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:47,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:47" (1/1) ... [2019-11-24 21:08:47,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1ff36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:47, skipping insertion in model container [2019-11-24 21:08:47,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:47" (1/1) ... [2019-11-24 21:08:47,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:47,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:48,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:48,142 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:48,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:48,338 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:48,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:48 WrapperNode [2019-11-24 21:08:48,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:48,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:48,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:48,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:48,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:48" (1/1) ... [2019-11-24 21:08:48,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:48" (1/1) ... [2019-11-24 21:08:48,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:48,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:48,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:48,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:48,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:48" (1/1) ... [2019-11-24 21:08:48,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:48" (1/1) ... [2019-11-24 21:08:48,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:48" (1/1) ... [2019-11-24 21:08:48,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:48" (1/1) ... [2019-11-24 21:08:48,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:48" (1/1) ... [2019-11-24 21:08:48,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:48" (1/1) ... [2019-11-24 21:08:48,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:48" (1/1) ... [2019-11-24 21:08:48,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:48,541 INFO L168 Benchmark]: Toolchain (without parser) took 1138.59 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. [2019-11-24 21:08:48,544 INFO L168 Benchmark]: CDTParser took 2.17 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. [2019-11-24 21:08:48,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 942.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:48,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.36 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:48,550 INFO L168 Benchmark]: Boogie Preprocessor took 82.85 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 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. [2019-11-24 21:08:48,554 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.17 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 942.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 105.36 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.85 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 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 0.1.24-32f2683 [2019-11-24 21:08:51,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:51,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:51,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:51,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:51,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:51,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:51,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:51,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:51,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:51,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:51,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:51,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:51,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:51,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:51,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:51,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:51,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:51,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:51,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:51,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:51,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:51,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:51,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:51,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:51,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:51,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:51,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:51,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:51,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:51,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:51,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:51,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:51,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:51,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:51,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:51,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:51,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:51,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:51,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:51,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:51,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:51,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:51,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:51,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:51,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:51,444 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:51,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:51,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:51,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:51,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:51,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:51,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:51,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:51,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:51,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:51,450 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:51,452 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:51,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:51,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:51,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:51,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:51,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:51,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:51,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:51,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:51,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:51,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:51,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:51,457 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:51,458 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:51,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:51,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:51,459 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 -> 7fbc512cc0cc4741feb6422c538797cb2d252dab [2019-11-24 21:08:51,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:51,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:51,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:51,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:51,981 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:51,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-24 21:08:52,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2985fbef8/3ce6c7ff377d48c78af591f4495a310e/FLAGae6b4ede0 [2019-11-24 21:08:52,927 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:52,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2019-11-24 21:08:52,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2985fbef8/3ce6c7ff377d48c78af591f4495a310e/FLAGae6b4ede0 [2019-11-24 21:08:53,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2985fbef8/3ce6c7ff377d48c78af591f4495a310e [2019-11-24 21:08:53,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:53,127 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:53,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:53,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:53,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:53,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c7b1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:53, skipping insertion in model container [2019-11-24 21:08:53,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:53" (1/1) ... [2019-11-24 21:08:53,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:53,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:53,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:53,886 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:53,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:54,090 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:54,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:54 WrapperNode [2019-11-24 21:08:54,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:54,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:54,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:54,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:54,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:54" (1/1) ... [2019-11-24 21:08:54,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:54" (1/1) ... [2019-11-24 21:08:54,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:54,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:54,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:54,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:54,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:54" (1/1) ... [2019-11-24 21:08:54,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:54" (1/1) ... [2019-11-24 21:08:54,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:54" (1/1) ... [2019-11-24 21:08:54,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:54" (1/1) ... [2019-11-24 21:08:54,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:54" (1/1) ... [2019-11-24 21:08:54,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:54" (1/1) ... [2019-11-24 21:08:54,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:54" (1/1) ... [2019-11-24 21:08:54,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:54,275 INFO L168 Benchmark]: Toolchain (without parser) took 1138.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.8 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:54,276 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-24 21:08:54,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 952.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:54,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.75 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. [2019-11-24 21:08:54,284 INFO L168 Benchmark]: Boogie Preprocessor took 77.50 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. [2019-11-24 21:08:54,297 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 952.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 93.75 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 77.50 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...