./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 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/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-da95e15 [2019-11-27 09:49:37,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:37,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:37,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:37,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:37,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:37,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:37,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:37,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:37,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:37,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:37,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:37,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:37,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:37,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:37,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:37,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:37,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:37,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:37,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:37,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:37,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:37,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:37,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:37,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:37,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:37,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:37,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:37,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:37,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:37,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:37,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:37,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:37,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:37,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:37,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:37,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:37,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:37,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:37,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:37,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:37,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:37,809 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:37,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:37,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:37,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:37,814 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:37,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:37,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:37,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:37,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:37,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:37,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:37,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:37,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:37,820 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:37,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:37,820 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:37,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:37,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:37,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:37,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:37,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:37,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:37,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:37,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:37,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:37,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:37,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:37,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:37,826 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 09:49:38,315 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:38,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:38,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:38,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:38,345 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:38,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 09:49:38,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3fd7bfa/f01a0541bd4c478882a46baddecc95d6/FLAG7466200c8 [2019-11-27 09:49:39,311 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:39,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 09:49:39,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3fd7bfa/f01a0541bd4c478882a46baddecc95d6/FLAG7466200c8 [2019-11-27 09:49:39,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3fd7bfa/f01a0541bd4c478882a46baddecc95d6 [2019-11-27 09:49:39,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:39,488 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:39,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:39,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:39,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:39,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:39" (1/1) ... [2019-11-27 09:49:39,505 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 09:49:39, skipping insertion in model container [2019-11-27 09:49:39,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:39" (1/1) ... [2019-11-27 09:49:39,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:39,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:40,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:40,244 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:40,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:40,429 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:40,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40 WrapperNode [2019-11-27 09:49:40,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:40,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:40,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:40,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:40,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:40,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:40,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:40,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:40,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:40,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:40,621 INFO L168 Benchmark]: Toolchain (without parser) took 1132.28 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 09:49:40,631 INFO L168 Benchmark]: CDTParser took 1.81 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 09:49:40,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 941.17 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 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:40,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.39 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 09:49:40,637 INFO L168 Benchmark]: Boogie Preprocessor took 85.73 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 09:49:40,644 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.81 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 941.17 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 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 93.39 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 85.73 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-da95e15 [2019-11-27 09:49:43,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:43,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:43,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:43,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:43,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:43,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:43,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:43,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:43,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:43,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:43,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:43,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:43,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:43,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:43,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:43,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:43,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:43,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:43,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:43,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:43,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:43,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:43,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:43,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:43,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:43,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:43,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:43,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:43,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:43,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:43,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:43,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:43,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:43,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:43,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:43,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:43,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:43,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:43,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:43,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:43,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:43,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:43,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:43,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:43,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:43,491 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:43,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:43,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:43,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:43,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:43,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:43,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:43,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:43,494 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:43,495 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:43,495 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:43,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:43,495 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:43,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:43,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:43,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:43,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:43,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:43,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:43,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:43,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:43,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:43,500 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:43,500 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:43,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:43,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:43,501 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 09:49:43,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:43,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:43,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:43,883 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:43,885 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:43,889 INFO L428 ainManager$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 09:49:43,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ac1693b/589cc19d664149d8b33b4f64d99187a2/FLAG989f22078 [2019-11-27 09:49:44,821 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:44,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2019-11-27 09:49:44,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ac1693b/589cc19d664149d8b33b4f64d99187a2/FLAG989f22078 [2019-11-27 09:49:45,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ac1693b/589cc19d664149d8b33b4f64d99187a2 [2019-11-27 09:49:45,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:45,021 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:45,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:45,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:45,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:45,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:45" (1/1) ... [2019-11-27 09:49:45,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696fbcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:45, skipping insertion in model container [2019-11-27 09:49:45,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:45" (1/1) ... [2019-11-27 09:49:45,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:45,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:45,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:45,815 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:45,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:46,006 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:46,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:46 WrapperNode [2019-11-27 09:49:46,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:46,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:46,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:46,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:46,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:46" (1/1) ... [2019-11-27 09:49:46,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:46" (1/1) ... [2019-11-27 09:49:46,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:46,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:46,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:46,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:46,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:46" (1/1) ... [2019-11-27 09:49:46,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:46" (1/1) ... [2019-11-27 09:49:46,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:46" (1/1) ... [2019-11-27 09:49:46,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:46" (1/1) ... [2019-11-27 09:49:46,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:46" (1/1) ... [2019-11-27 09:49:46,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:46" (1/1) ... [2019-11-27 09:49:46,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:46" (1/1) ... [2019-11-27 09:49:46,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:46,223 INFO L168 Benchmark]: Toolchain (without parser) took 1201.11 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 09:49:46,224 INFO L168 Benchmark]: CDTParser took 0.28 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 09:49:46,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 984.28 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 09:49:46,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.93 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 09:49:46,231 INFO L168 Benchmark]: Boogie Preprocessor took 99.66 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 09:49:46,243 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 984.28 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 111.93 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 99.66 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...