./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/Ackermann04.c --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/recursive/Ackermann04.c -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 307542ef0214b83df72c59e51df6e57e6557ac8b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/recursive/Ackermann04.c -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 307542ef0214b83df72c59e51df6e57e6557ac8b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:21:14,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:14,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:14,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:14,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:14,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:14,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:14,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:14,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:14,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:14,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:14,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:14,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:14,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:14,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:14,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:14,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:14,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:14,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:14,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:14,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:14,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:14,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:14,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:14,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:14,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:14,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:14,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:14,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:14,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:14,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:14,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:14,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:14,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:14,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:14,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:14,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:14,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:14,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:14,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:14,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:14,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:14,656 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:14,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:14,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:14,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:14,662 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:14,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:14,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:14,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:14,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:14,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:14,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:14,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:14,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:14,669 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:14,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:14,670 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:14,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:14,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:14,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:14,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:14,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:14,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:14,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:14,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:14,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:14,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:14,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:14,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:14,676 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 -> 307542ef0214b83df72c59e51df6e57e6557ac8b [2019-11-27 16:21:15,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:15,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:15,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:15,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:15,237 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:15,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Ackermann04.c [2019-11-27 16:21:15,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda77c27/ef9506bb02494a35a563aff971cbf699/FLAGc8df5bf46 [2019-11-27 16:21:16,367 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:16,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Ackermann04.c [2019-11-27 16:21:16,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda77c27/ef9506bb02494a35a563aff971cbf699/FLAGc8df5bf46 [2019-11-27 16:21:16,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda77c27/ef9506bb02494a35a563aff971cbf699 [2019-11-27 16:21:16,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:16,567 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:16,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:16,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:16,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:16,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:16,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16, skipping insertion in model container [2019-11-27 16:21:16,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:16,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:16,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:17,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:17,121 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:17,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:17,199 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:17,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:17 WrapperNode [2019-11-27 16:21:17,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:17,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:17,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:17,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:17,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:17" (1/1) ... [2019-11-27 16:21:17,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:17" (1/1) ... [2019-11-27 16:21:17,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:17,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:17,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:17,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:17,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:17" (1/1) ... [2019-11-27 16:21:17,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:17" (1/1) ... [2019-11-27 16:21:17,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:17" (1/1) ... [2019-11-27 16:21:17,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:17" (1/1) ... [2019-11-27 16:21:17,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:17" (1/1) ... [2019-11-27 16:21:17,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:17" (1/1) ... [2019-11-27 16:21:17,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:17" (1/1) ... [2019-11-27 16:21:17,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:17,499 INFO L168 Benchmark]: Toolchain (without parser) took 926.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.1 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:17,501 INFO L168 Benchmark]: CDTParser took 0.29 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 16:21:17,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:17,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.76 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:17,511 INFO L168 Benchmark]: Boogie Preprocessor took 195.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 991.1 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:17,522 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 634.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 87.76 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 195.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 991.1 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:21:21,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:21,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:21,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:21,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:21,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:21,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:21,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:21,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:21,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:21,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:21,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:21,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:21,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:21,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:21,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:21,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:21,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:21,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:21,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:21,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:21,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:21,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:21,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:21,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:21,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:21,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:21,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:21,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:21,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:21,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:21,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:21,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:21,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:21,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:21,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:21,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:21,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:21,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:21,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:21,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:21,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:21,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:21,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:21,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:21,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:21,781 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:21,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:21,782 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:21,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:21,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:21,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:21,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:21,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:21,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:21,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:21,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:21,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:21,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:21,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:21,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:21,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:21,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:21,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:21,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:21,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:21,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:21,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:21,794 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:21,795 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:21,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:21,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:21,799 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 -> 307542ef0214b83df72c59e51df6e57e6557ac8b [2019-11-27 16:21:22,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:22,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:22,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:22,475 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:22,475 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:22,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Ackermann04.c [2019-11-27 16:21:22,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adad950f2/53aa919cbca444dc9f8b212e71c48be6/FLAG3c8596bbb [2019-11-27 16:21:23,599 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:23,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Ackermann04.c [2019-11-27 16:21:23,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adad950f2/53aa919cbca444dc9f8b212e71c48be6/FLAG3c8596bbb [2019-11-27 16:21:23,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adad950f2/53aa919cbca444dc9f8b212e71c48be6 [2019-11-27 16:21:23,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:23,666 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:23,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:23,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:23,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:23,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:23,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23, skipping insertion in model container [2019-11-27 16:21:23,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:23,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:23,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:24,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:24,230 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:24,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:24,304 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:24,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:24 WrapperNode [2019-11-27 16:21:24,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:24,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:24,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:24,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:24,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:24" (1/1) ... [2019-11-27 16:21:24,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:24" (1/1) ... [2019-11-27 16:21:24,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:24,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:24,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:24,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:24,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:24" (1/1) ... [2019-11-27 16:21:24,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:24" (1/1) ... [2019-11-27 16:21:24,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:24" (1/1) ... [2019-11-27 16:21:24,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:24" (1/1) ... [2019-11-27 16:21:24,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:24" (1/1) ... [2019-11-27 16:21:24,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:24" (1/1) ... [2019-11-27 16:21:24,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:24" (1/1) ... [2019-11-27 16:21:24,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:24,524 INFO L168 Benchmark]: Toolchain (without parser) took 854.67 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 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:24,526 INFO L168 Benchmark]: CDTParser took 1.65 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 16:21:24,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.06 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:24,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:24,539 INFO L168 Benchmark]: Boogie Preprocessor took 46.35 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:24,555 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65 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 633.06 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 158.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 46.35 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...