./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a84b349ed554162d37455efc2adb7bf93e2048b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_reverse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a84b349ed554162d37455efc2adb7bf93e2048b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:03,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:03,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:03,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:03,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:03,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:03,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:03,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:03,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:03,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:03,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:03,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:03,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:03,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:03,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:03,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:03,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:03,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:03,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:03,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:03,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:03,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:03,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:03,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:03,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:03,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:03,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:03,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:03,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:03,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:03,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:03,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:03,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:03,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:03,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:03,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:03,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:03,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:03,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:03,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:03,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:03,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:03,291 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:03,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:03,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:03,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:03,299 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:03,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:03,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:03,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:03,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:03,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:03,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:03,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:03,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:03,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:03,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:03,307 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:03,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:03,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:03,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:03,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:03,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:03,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:03,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:03,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:03,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:03,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:03,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:03,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:03,313 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 -> 1a84b349ed554162d37455efc2adb7bf93e2048b [2019-11-27 09:50:03,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:03,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:03,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:03,919 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:03,921 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:03,922 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-27 09:50:04,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6857591/a720ec5d2a6e4c169b20a51da2da6bf7/FLAG996e24f9d [2019-11-27 09:50:05,302 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:05,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-27 09:50:05,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6857591/a720ec5d2a6e4c169b20a51da2da6bf7/FLAG996e24f9d [2019-11-27 09:50:05,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6857591/a720ec5d2a6e4c169b20a51da2da6bf7 [2019-11-27 09:50:05,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:05,803 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:05,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:05,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:05,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:05,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:05" (1/1) ... [2019-11-27 09:50:05,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad95f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:05, skipping insertion in model container [2019-11-27 09:50:05,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:05" (1/1) ... [2019-11-27 09:50:05,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:05,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:06,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:06,826 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:06,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:07,103 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:07,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07 WrapperNode [2019-11-27 09:50:07,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:07,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:07,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:07,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:07,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:07,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:07,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:07,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:07,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:07" (1/1) ... [2019-11-27 09:50:07,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:07,336 INFO L168 Benchmark]: Toolchain (without parser) took 1514.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.3 MB in the end (delta: -2.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:07,337 INFO L168 Benchmark]: CDTParser took 1.62 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. [2019-11-27 09:50:07,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1293.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:07,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.56 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:07,344 INFO L168 Benchmark]: Boogie Preprocessor took 73.89 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:07,354 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62 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 1293.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.56 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.89 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:11,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:11,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:11,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:11,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:11,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:11,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:11,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:11,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:11,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:11,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:11,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:11,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:11,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:11,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:11,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:11,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:11,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:11,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:11,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:11,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:11,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:11,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:11,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:11,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:11,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:11,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:11,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:11,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:11,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:11,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:11,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:11,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:11,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:11,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:11,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:11,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:11,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:11,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:11,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:11,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:11,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:11,517 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:11,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:11,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:11,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:11,526 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:11,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:11,527 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:11,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:11,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:11,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:11,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:11,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:11,533 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:11,533 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:11,534 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:11,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:11,534 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:11,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:11,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:11,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:11,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:11,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:11,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:11,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:11,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:11,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:11,541 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:11,541 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:11,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:11,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:11,543 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 -> 1a84b349ed554162d37455efc2adb7bf93e2048b [2019-11-27 09:50:12,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:12,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:12,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:12,081 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:12,081 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:12,083 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-27 09:50:12,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d38b9a17/a26125268c674db1b8384fddfb5399d4/FLAGafa4fe85c [2019-11-27 09:50:13,452 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:13,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-27 09:50:13,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d38b9a17/a26125268c674db1b8384fddfb5399d4/FLAGafa4fe85c [2019-11-27 09:50:13,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d38b9a17/a26125268c674db1b8384fddfb5399d4 [2019-11-27 09:50:13,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:13,543 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:13,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:13,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:13,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:13,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:13" (1/1) ... [2019-11-27 09:50:13,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16524808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:13, skipping insertion in model container [2019-11-27 09:50:13,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:13" (1/1) ... [2019-11-27 09:50:13,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:13,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:14,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:14,576 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:14,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:14,849 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:14,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14 WrapperNode [2019-11-27 09:50:14,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:14,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:14,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:14,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:14,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:14,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:15,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:15,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:15,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:15,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:14" (1/1) ... [2019-11-27 09:50:15,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:15,157 INFO L168 Benchmark]: Toolchain (without parser) took 1606.53 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 962.5 MB in the end (delta: -791.4 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:15,160 INFO L168 Benchmark]: CDTParser took 2.73 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:15,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1307.07 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:15,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.19 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:15,164 INFO L168 Benchmark]: Boogie Preprocessor took 117.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:15,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.73 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 1307.07 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 968.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 174.19 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 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...