./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/Ackermann01-2.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/Ackermann01-2.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 c2f1e635c5c806286d01eb0b8ff07448b8253a7a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Ackermann01-2.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 c2f1e635c5c806286d01eb0b8ff07448b8253a7a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:21:12,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:12,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:12,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:12,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:12,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:12,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:12,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:12,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:12,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:12,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:12,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:12,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:12,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:12,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:12,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:12,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:12,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:12,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:12,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:12,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:12,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:12,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:12,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:12,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:12,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:12,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:12,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:12,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:12,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:12,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:12,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:12,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:12,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:12,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:12,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:12,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:12,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:12,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:12,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:12,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:12,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:12,689 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:12,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:12,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:12,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:12,692 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:12,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:12,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:12,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:12,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:12,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:12,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:12,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:12,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:12,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:12,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:12,699 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:12,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:12,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:12,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:12,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:12,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:12,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:12,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:12,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:12,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:12,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:12,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:12,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:12,704 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 -> c2f1e635c5c806286d01eb0b8ff07448b8253a7a [2019-11-27 16:21:13,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:13,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:13,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:13,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:13,082 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:13,083 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Ackermann01-2.c [2019-11-27 16:21:13,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c82518b70/6e050ca7a6ba4942a7eb37bd0429f4c4/FLAG72187e27a [2019-11-27 16:21:13,886 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:13,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Ackermann01-2.c [2019-11-27 16:21:13,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c82518b70/6e050ca7a6ba4942a7eb37bd0429f4c4/FLAG72187e27a [2019-11-27 16:21:14,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c82518b70/6e050ca7a6ba4942a7eb37bd0429f4c4 [2019-11-27 16:21:14,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:14,238 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:14,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:14,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:14,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:14,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14, skipping insertion in model container [2019-11-27 16:21:14,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:14,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:14,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:14,592 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:14,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:14,620 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:14,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14 WrapperNode [2019-11-27 16:21:14,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:14,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:14,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:14,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:14,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:14,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:14,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:14,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:14,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:14" (1/1) ... [2019-11-27 16:21:14,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:14,763 INFO L168 Benchmark]: Toolchain (without parser) took 519.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 985.4 MB in the end (delta: -26.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:14,764 INFO L168 Benchmark]: CDTParser took 0.25 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 16:21:14,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.37 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:14,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.2 MB in the beginning and 991.1 MB in the end (delta: -43.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:14,781 INFO L168 Benchmark]: Boogie Preprocessor took 32.36 ms. Allocated memory is still 1.0 GB. Free memory was 991.1 MB in the beginning and 985.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:14,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 382.37 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.2 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 95.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.2 MB in the beginning and 991.1 MB in the end (delta: -43.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 32.36 ms. Allocated memory is still 1.0 GB. Free memory was 991.1 MB in the beginning and 985.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:21:17,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:17,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:17,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:17,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:17,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:17,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:17,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:17,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:17,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:17,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:17,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:17,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:17,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:17,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:17,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:17,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:17,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:17,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:17,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:17,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:17,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:17,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:17,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:17,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:17,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:17,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:17,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:17,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:17,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:17,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:17,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:17,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:17,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:17,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:17,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:17,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:17,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:17,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:17,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:17,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:17,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:17,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:17,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:17,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:17,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:17,667 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:17,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:17,669 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:17,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:17,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:17,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:17,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:17,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:17,672 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:17,672 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:17,673 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:17,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:17,673 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:17,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:17,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:17,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:17,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:17,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:17,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:17,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:17,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:17,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:17,679 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:17,679 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:17,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:17,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:17,680 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 -> c2f1e635c5c806286d01eb0b8ff07448b8253a7a [2019-11-27 16:21:18,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:18,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:18,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:18,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:18,168 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:18,169 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Ackermann01-2.c [2019-11-27 16:21:18,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010dcfae2/fbd2d95b55f64c35864f6e458d20d83e/FLAGdff7b7906 [2019-11-27 16:21:18,932 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:18,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Ackermann01-2.c [2019-11-27 16:21:18,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010dcfae2/fbd2d95b55f64c35864f6e458d20d83e/FLAGdff7b7906 [2019-11-27 16:21:19,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010dcfae2/fbd2d95b55f64c35864f6e458d20d83e [2019-11-27 16:21:19,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:19,304 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:19,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:19,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:19,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:19,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f34ae7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19, skipping insertion in model container [2019-11-27 16:21:19,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:19,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:19,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:19,675 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:19,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:19,708 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:19,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19 WrapperNode [2019-11-27 16:21:19,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:19,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:19,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:19,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:19,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:19,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:19,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:19,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:19,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:19" (1/1) ... [2019-11-27 16:21:19,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:19,873 INFO L168 Benchmark]: Toolchain (without parser) took 566.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:19,874 INFO L168 Benchmark]: CDTParser took 0.25 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 16:21:19,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.49 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:19,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:19,884 INFO L168 Benchmark]: Boogie Preprocessor took 33.81 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:19,897 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 399.49 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 120.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 33.81 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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...