./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-optional-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-optional-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 8409443a6b8db5c0500e3e8aa54c33463c524ec9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-optional-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 8409443a6b8db5c0500e3e8aa54c33463c524ec9 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:11:17,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:17,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:17,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:17,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:17,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:17,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:17,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:17,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:17,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:17,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:17,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:17,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:17,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:17,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:17,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:17,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:17,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:17,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:17,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:17,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:17,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:17,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:17,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:17,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:17,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:17,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:17,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:17,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:17,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:17,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:17,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:17,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:17,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:17,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:17,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:17,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:17,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:17,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:17,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:17,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:17,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:17,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:17,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:17,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:17,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:17,704 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:17,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:17,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:17,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:17,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:17,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:17,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:17,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:17,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:17,712 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:17,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:17,713 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:17,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:17,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:17,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:17,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:17,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:17,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:17,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:17,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:17,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:17,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:17,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:17,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:17,722 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 -> 8409443a6b8db5c0500e3e8aa54c33463c524ec9 [2019-11-27 16:11:18,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:18,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:18,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:18,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:18,375 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:18,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 16:11:18,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314e29114/224d1146574645fd8c5ce1456e9b1cc7/FLAGd7fa2fa85 [2019-11-27 16:11:19,784 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:19,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 16:11:19,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314e29114/224d1146574645fd8c5ce1456e9b1cc7/FLAGd7fa2fa85 [2019-11-27 16:11:19,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314e29114/224d1146574645fd8c5ce1456e9b1cc7 [2019-11-27 16:11:19,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:19,874 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:19,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:19,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:19,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:19,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:19" (1/1) ... [2019-11-27 16:11:19,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6248264a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:19, skipping insertion in model container [2019-11-27 16:11:19,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:19" (1/1) ... [2019-11-27 16:11:19,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:20,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:20,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:20,978 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:21,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:21,216 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:21,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:21 WrapperNode [2019-11-27 16:11:21,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:21,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:21,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:21,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:21,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:21" (1/1) ... [2019-11-27 16:11:21,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:21" (1/1) ... [2019-11-27 16:11:21,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:21,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:21,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:21,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:21,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:21" (1/1) ... [2019-11-27 16:11:21,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:21" (1/1) ... [2019-11-27 16:11:21,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:21" (1/1) ... [2019-11-27 16:11:21,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:21" (1/1) ... [2019-11-27 16:11:21,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:21" (1/1) ... [2019-11-27 16:11:21,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:21" (1/1) ... [2019-11-27 16:11:21,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:21" (1/1) ... [2019-11-27 16:11:21,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:21,453 INFO L168 Benchmark]: Toolchain (without parser) took 1573.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 968.4 MB in the end (delta: -5.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:21,469 INFO L168 Benchmark]: CDTParser took 0.45 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 16:11:21,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1344.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 974.1 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:21,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.03 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:21,475 INFO L168 Benchmark]: Boogie Preprocessor took 100.85 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:21,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 1344.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 974.1 MB in the end (delta: -11.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 119.03 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 100.85 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:11:25,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:25,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:25,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:25,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:25,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:25,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:25,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:25,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:25,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:25,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:25,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:25,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:25,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:25,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:25,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:25,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:25,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:25,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:25,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:25,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:25,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:25,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:25,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:25,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:25,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:25,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:25,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:25,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:25,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:25,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:25,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:25,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:25,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:25,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:25,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:25,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:25,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:25,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:25,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:25,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:25,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:25,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:25,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:25,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:25,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:25,604 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:25,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:25,604 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:25,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:25,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:25,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:25,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:25,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:25,609 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:25,612 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:25,613 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:25,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:25,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:25,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:25,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:25,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:25,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:25,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:25,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:25,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:25,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:25,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:25,619 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:25,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:25,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:25,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:25,623 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 -> 8409443a6b8db5c0500e3e8aa54c33463c524ec9 [2019-11-27 16:11:26,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:26,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:26,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:26,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:26,323 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:26,324 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 16:11:26,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ca0faa1/c2cd27da882843b1b1426084a78ebfa2/FLAG121a97396 [2019-11-27 16:11:27,696 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:27,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 16:11:27,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ca0faa1/c2cd27da882843b1b1426084a78ebfa2/FLAG121a97396 [2019-11-27 16:11:27,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ca0faa1/c2cd27da882843b1b1426084a78ebfa2 [2019-11-27 16:11:27,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:27,830 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:27,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:27,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:27,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:27,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:27" (1/1) ... [2019-11-27 16:11:27,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1b8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:27, skipping insertion in model container [2019-11-27 16:11:27,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:27" (1/1) ... [2019-11-27 16:11:27,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:27,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:28,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:28,910 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:29,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:29,155 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:29,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29 WrapperNode [2019-11-27 16:11:29,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:29,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:29,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:29,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:29,186 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 16:11:29,241 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 16:11:29,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:29,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:29,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:29,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:29,314 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 16:11:29,314 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 16:11:29,325 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 16:11:29,325 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 16:11:29,369 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 16:11:29,392 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 16:11:29,401 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 16:11:29,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:29,418 INFO L168 Benchmark]: Toolchain (without parser) took 1586.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.7 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:29,423 INFO L168 Benchmark]: CDTParser took 0.42 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 16:11:29,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1323.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.4 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:29,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.93 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:29,434 INFO L168 Benchmark]: Boogie Preprocessor took 108.84 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:29,450 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1323.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.4 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 142.93 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 108.84 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 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...