./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/heap-manipulation/merge_sort-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/heap-manipulation/merge_sort-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 e6399ca05df7547b7620299987a8a06e9e2c006b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/heap-manipulation/merge_sort-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 e6399ca05df7547b7620299987a8a06e9e2c006b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:48:25,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:25,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:25,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:25,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:25,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:25,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:25,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:25,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:25,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:25,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:25,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:25,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:25,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:25,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:25,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:25,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:25,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:25,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:25,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:25,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:25,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:25,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:25,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:25,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:25,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:25,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:25,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:25,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:25,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:25,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:25,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:25,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:25,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:25,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:25,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:25,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:25,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:25,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:25,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:25,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:25,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:25,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:25,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:25,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:25,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:25,494 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:25,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:25,497 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:25,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:25,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:25,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:25,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:25,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:25,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:25,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:25,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:25,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:25,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:25,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:25,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:25,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:25,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:25,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:25,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:25,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:25,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:25,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:25,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:25,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:25,512 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 -> e6399ca05df7547b7620299987a8a06e9e2c006b [2019-11-27 09:48:26,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:26,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:26,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:26,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:26,157 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:26,159 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 09:48:26,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f9e085d/d991d4f89bbe433f9aa29d4035fc4677/FLAG5e09db7ae [2019-11-27 09:48:27,584 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:27,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 09:48:27,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f9e085d/d991d4f89bbe433f9aa29d4035fc4677/FLAG5e09db7ae [2019-11-27 09:48:27,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f9e085d/d991d4f89bbe433f9aa29d4035fc4677 [2019-11-27 09:48:27,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:27,684 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:27,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:27,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:27,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:27,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:27" (1/1) ... [2019-11-27 09:48:27,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:27, skipping insertion in model container [2019-11-27 09:48:27,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:27" (1/1) ... [2019-11-27 09:48:27,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:27,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:28,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:28,777 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:28,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:29,072 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:29,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29 WrapperNode [2019-11-27 09:48:29,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:29,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:29,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:29,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:29,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:29,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:29,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:29,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:29,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:29,388 INFO L168 Benchmark]: Toolchain (without parser) took 1689.67 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 966.8 MB in the end (delta: 635.5 kB). Peak memory consumption was 701.0 kB. Max. memory is 12.5 GB. [2019-11-27 09:48:29,390 INFO L168 Benchmark]: CDTParser took 0.38 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 09:48:29,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1387.48 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:29,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.67 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:29,401 INFO L168 Benchmark]: Boogie Preprocessor took 121.61 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:29,408 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1387.48 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.67 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 121.61 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:33,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:33,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:33,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:33,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:33,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:33,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:33,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:33,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:33,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:33,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:33,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:33,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:33,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:33,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:33,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:33,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:33,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:33,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:33,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:33,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:33,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:33,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:33,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:33,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:33,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:33,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:33,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:33,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:33,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:33,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:33,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:33,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:33,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:33,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:33,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:33,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:33,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:33,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:33,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:33,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:33,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:33,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:33,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:33,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:33,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:33,487 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:33,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:33,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:33,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:33,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:33,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:33,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:33,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:33,492 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:33,492 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:33,495 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:33,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:33,495 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:33,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:33,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:33,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:33,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:33,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:33,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:33,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:33,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:33,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:33,501 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:33,501 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:33,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:33,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:33,505 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 -> e6399ca05df7547b7620299987a8a06e9e2c006b [2019-11-27 09:48:34,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:34,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:34,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:34,096 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:34,096 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:34,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 09:48:34,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33abe78c/99d6f498decf4e6d9317e733df6e81e3/FLAGaab61081a [2019-11-27 09:48:35,502 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:35,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 09:48:35,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33abe78c/99d6f498decf4e6d9317e733df6e81e3/FLAGaab61081a [2019-11-27 09:48:35,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33abe78c/99d6f498decf4e6d9317e733df6e81e3 [2019-11-27 09:48:35,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:35,560 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:35,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:35,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:35,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:35,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:35" (1/1) ... [2019-11-27 09:48:35,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:35, skipping insertion in model container [2019-11-27 09:48:35,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:35" (1/1) ... [2019-11-27 09:48:35,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:35,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:36,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:36,599 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:36,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:36,922 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:36,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:36 WrapperNode [2019-11-27 09:48:36,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:36,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:36,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:36,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:36,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:36" (1/1) ... [2019-11-27 09:48:37,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:36" (1/1) ... [2019-11-27 09:48:37,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:37,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:37,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:37,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:37,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:36" (1/1) ... [2019-11-27 09:48:37,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:36" (1/1) ... [2019-11-27 09:48:37,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:36" (1/1) ... [2019-11-27 09:48:37,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:36" (1/1) ... [2019-11-27 09:48:37,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:36" (1/1) ... [2019-11-27 09:48:37,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:36" (1/1) ... [2019-11-27 09:48:37,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:36" (1/1) ... [2019-11-27 09:48:37,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:37,243 INFO L168 Benchmark]: Toolchain (without parser) took 1675.04 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 961.1 MB in the end (delta: 609.6 kB). Peak memory consumption was 675.2 kB. Max. memory is 12.5 GB. [2019-11-27 09:48:37,244 INFO L168 Benchmark]: CDTParser took 2.78 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 09:48:37,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1352.59 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:37,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.28 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:37,254 INFO L168 Benchmark]: Boogie Preprocessor took 134.86 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:37,272 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.78 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 1352.59 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 168.28 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 134.86 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 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...