./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-sorted-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/dll-sorted-2.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 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/forester-heap/dll-sorted-2.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 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:11:27,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:27,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:27,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:27,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:27,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:27,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:27,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:27,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:27,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:27,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:27,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:27,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:27,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:27,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:27,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:27,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:27,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:27,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:27,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:27,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:27,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:27,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:27,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:27,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:27,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:27,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:27,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:27,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:27,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:27,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:27,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:27,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:27,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:27,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:27,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:27,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:27,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:27,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:27,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:27,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:27,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:27,316 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:27,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:27,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:27,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:27,320 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:27,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:27,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:27,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:27,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:27,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:27,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:27,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:27,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:27,325 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:27,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:27,325 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:27,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:27,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:27,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:27,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:27,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:27,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:27,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:27,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:27,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:27,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:27,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:27,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:27,331 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 -> 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 [2019-11-27 16:11:27,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:27,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:27,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:27,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:27,812 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:27,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 16:11:27,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb7c6273/8d95b05bd24a42f7a9ad71a46049bf73/FLAG1cfc07781 [2019-11-27 16:11:28,740 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:28,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 16:11:28,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb7c6273/8d95b05bd24a42f7a9ad71a46049bf73/FLAG1cfc07781 [2019-11-27 16:11:28,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb7c6273/8d95b05bd24a42f7a9ad71a46049bf73 [2019-11-27 16:11:28,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:28,936 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:28,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:28,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:28,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:28,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:28,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d04ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:28, skipping insertion in model container [2019-11-27 16:11:28,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:28" (1/1) ... [2019-11-27 16:11:28,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:29,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:29,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:29,688 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:29,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:29,876 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:29,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29 WrapperNode [2019-11-27 16:11:29,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:29,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:29,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:29,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:29,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:29,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:29,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:29,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:29,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:29,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:29,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:29,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:29,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:29,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:30,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:30,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:30,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:30,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:30,068 INFO L168 Benchmark]: Toolchain (without parser) took 1117.07 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 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:30,069 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. [2019-11-27 16:11:30,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 926.65 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:30,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.35 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:30,076 INFO L168 Benchmark]: Boogie Preprocessor took 80.97 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:30,084 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 926.65 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 87.35 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.97 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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 0.1.24-509859d [2019-11-27 16:11:32,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:32,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:32,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:32,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:32,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:32,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:32,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:32,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:32,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:32,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:32,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:32,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:32,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:32,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:32,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:32,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:32,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:32,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:32,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:32,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:32,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:32,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:32,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:32,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:32,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:32,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:32,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:32,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:32,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:32,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:32,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:32,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:32,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:32,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:32,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:32,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:32,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:32,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:32,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:32,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:32,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:32,989 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:32,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:32,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:32,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:32,995 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:32,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:32,997 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:32,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:32,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:32,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:32,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:33,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:33,000 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:33,000 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:33,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:33,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:33,003 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:33,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:33,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:33,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:33,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:33,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:33,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:33,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:33,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:33,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:33,008 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:33,009 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:33,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:33,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:33,012 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 -> 614aedb1ca0b3c75ba5d43ccd1ce8931602b4981 [2019-11-27 16:11:33,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:33,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:33,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:33,493 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:33,493 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:33,497 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 16:11:33,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935488102/1c168d1b0d7147fea80cf8bc86037ba3/FLAG2c08e49ec [2019-11-27 16:11:34,424 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:34,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 16:11:34,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935488102/1c168d1b0d7147fea80cf8bc86037ba3/FLAG2c08e49ec [2019-11-27 16:11:34,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935488102/1c168d1b0d7147fea80cf8bc86037ba3 [2019-11-27 16:11:34,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:34,642 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:34,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:34,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:34,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:34,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:34" (1/1) ... [2019-11-27 16:11:34,663 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 27.11 04:11:34, skipping insertion in model container [2019-11-27 16:11:34,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:34" (1/1) ... [2019-11-27 16:11:34,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:34,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:35,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:35,423 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:35,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:35,616 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:35,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35 WrapperNode [2019-11-27 16:11:35,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:35,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:35,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:35,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:35,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:35,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:35,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:35,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:35,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:35" (1/1) ... [2019-11-27 16:11:35,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:35,808 INFO L168 Benchmark]: Toolchain (without parser) took 1163.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 972.8 MB in the end (delta: -14.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:35,811 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:35,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 973.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 978.5 MB in the end (delta: -19.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:35,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.81 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:35,815 INFO L168 Benchmark]: Boogie Preprocessor took 84.78 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:35,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 973.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 978.5 MB in the end (delta: -19.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 96.81 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 84.78 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 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...