./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 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-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-da95e15 [2019-11-27 09:49:28,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:28,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:28,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:28,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:28,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:28,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:28,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:28,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:28,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:28,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:28,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:28,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:28,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:28,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:28,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:28,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:28,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:28,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:28,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:28,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:28,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:28,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:28,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:28,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:28,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:28,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:28,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:28,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:28,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:28,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:28,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:28,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:28,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:28,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:28,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:28,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:28,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:28,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:28,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:28,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:28,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:28,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:28,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:28,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:28,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:28,573 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:28,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:28,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:28,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:28,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:28,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:28,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:28,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:28,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:28,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:28,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:28,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:28,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:28,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:28,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:28,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:28,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:28,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:28,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:28,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:28,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:28,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:28,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:28,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:28,589 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 09:49:29,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:29,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:29,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:29,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:29,174 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:29,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 09:49:29,354 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089d5e02a/a6da04c01cf74a2ca5a554c978f20b80/FLAGc0ef22703 [2019-11-27 09:49:30,613 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:30,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 09:49:30,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089d5e02a/a6da04c01cf74a2ca5a554c978f20b80/FLAGc0ef22703 [2019-11-27 09:49:30,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089d5e02a/a6da04c01cf74a2ca5a554c978f20b80 [2019-11-27 09:49:30,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:30,708 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:30,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:30,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:30,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:30,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:30, skipping insertion in model container [2019-11-27 09:49:30,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:30" (1/1) ... [2019-11-27 09:49:30,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:30,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:31,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:31,803 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:31,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:32,053 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:32,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32 WrapperNode [2019-11-27 09:49:32,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:32,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:32,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:32,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:32,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:32,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:32,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:32,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:32,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:32,362 INFO L168 Benchmark]: Toolchain (without parser) took 1633.68 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 978.3 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:32,364 INFO L168 Benchmark]: CDTParser took 0.36 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 09:49:32,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1344.73 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:32,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.84 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:32,369 INFO L168 Benchmark]: Boogie Preprocessor took 110.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:32,378 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1344.73 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.84 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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-da95e15 [2019-11-27 09:49:36,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:36,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:36,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:36,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:36,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:36,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:36,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:36,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:36,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:36,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:36,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:36,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:36,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:36,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:36,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:36,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:36,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:36,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:36,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:36,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:36,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:36,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:36,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:36,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:36,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:36,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:36,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:36,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:36,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:36,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:36,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:36,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:36,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:36,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:36,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:36,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:36,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:36,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:36,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:36,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:36,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:36,525 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:36,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:36,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:36,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:36,533 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:36,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:36,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:36,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:36,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:36,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:36,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:36,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:36,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:36,540 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:36,542 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:36,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:36,542 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:36,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:36,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:36,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:36,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:36,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:36,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:36,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:36,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:36,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:36,547 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:36,549 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:36,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:36,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:36,551 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 09:49:37,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:37,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:37,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:37,185 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:37,188 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:37,190 INFO L428 ainManager$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 09:49:37,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355bf7300/2dc9cd9f89804b76bf4f5f39879eabbc/FLAG1f1120b12 [2019-11-27 09:49:38,581 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:38,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 09:49:38,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355bf7300/2dc9cd9f89804b76bf4f5f39879eabbc/FLAG1f1120b12 [2019-11-27 09:49:38,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355bf7300/2dc9cd9f89804b76bf4f5f39879eabbc [2019-11-27 09:49:38,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:38,676 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:38,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:38,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:38,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:38,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1934ed88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:38, skipping insertion in model container [2019-11-27 09:49:38,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:38" (1/1) ... [2019-11-27 09:49:38,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:38,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:39,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:39,831 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:39,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:40,096 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:40,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:40 WrapperNode [2019-11-27 09:49:40,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:40,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:40,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:40,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:40,122 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 09:49:40,173 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 09:49:40,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:40,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:40,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:40,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:40,287 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 09:49:40,288 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 09:49:40,299 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 09:49:40,299 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 09:49:40,338 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 09:49:40,371 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 09:49:40,378 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 09:49:40,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:40,399 INFO L168 Benchmark]: Toolchain (without parser) took 1715.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 968.5 MB in the end (delta: -1.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:40,400 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:40,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1417.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:40,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.33 ms. Allocated memory is still 1.0 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:40,404 INFO L168 Benchmark]: Boogie Preprocessor took 127.90 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:40,416 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 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 1417.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 161.33 ms. Allocated memory is still 1.0 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 127.90 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 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...