./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/Ackermann03.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/Ackermann03.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 33d0641b9a339cc7e30dea71c1d04be4d72dcf57 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Ackermann03.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 33d0641b9a339cc7e30dea71c1d04be4d72dcf57 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:21:14,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:14,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:14,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:14,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:14,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:14,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:14,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:14,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:14,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:14,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:14,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:14,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:14,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:14,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:14,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:14,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:14,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:14,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:14,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:14,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:14,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:14,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:14,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:14,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:14,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:14,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:14,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:14,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:14,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:14,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:14,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:14,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:14,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:14,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:14,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:14,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:14,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:14,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:14,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:14,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:14,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:14,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:14,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:14,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:14,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:14,258 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:14,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:14,259 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:14,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:14,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:14,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:14,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:14,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:14,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:14,264 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:14,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:14,264 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:14,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:14,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:14,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:14,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:14,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:14,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:14,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:14,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:14,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:14,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:14,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:14,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:14,273 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 -> 33d0641b9a339cc7e30dea71c1d04be4d72dcf57 [2019-11-27 16:21:14,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:14,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:14,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:14,858 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:14,863 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:14,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Ackermann03.c [2019-11-27 16:21:15,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b776e78c/f5b6a682ac544e6f8665e1e91108e5a5/FLAG3354e8ac5 [2019-11-27 16:21:16,103 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:16,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Ackermann03.c [2019-11-27 16:21:16,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b776e78c/f5b6a682ac544e6f8665e1e91108e5a5/FLAG3354e8ac5 [2019-11-27 16:21:16,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b776e78c/f5b6a682ac544e6f8665e1e91108e5a5 [2019-11-27 16:21:16,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:16,174 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:16,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:16,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:16,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:16,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:16,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6a88b6 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 16:21:16,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:16,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:16,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:16,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:16,749 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:16,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:16,842 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:16,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16 WrapperNode [2019-11-27 16:21:16,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:16,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:16,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:16,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:16,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:16,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:17,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:17,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:17,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:17,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:17,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:17,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:17,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:17,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:17,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:17,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:17,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:16" (1/1) ... [2019-11-27 16:21:17,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:17,125 INFO L168 Benchmark]: Toolchain (without parser) took 943.78 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:17,127 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:17,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.56 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:17,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:17,137 INFO L168 Benchmark]: Boogie Preprocessor took 70.05 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:17,150 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 670.56 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 193.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 70.05 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:21:21,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:21,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:21,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:21,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:21,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:21,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:21,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:21,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:21,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:21,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:21,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:21,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:21,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:21,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:21,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:21,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:21,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:21,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:21,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:21,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:21,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:21,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:21,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:21,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:21,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:21,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:21,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:21,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:21,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:21,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:21,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:21,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:21,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:21,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:21,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:21,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:21,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:21,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:21,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:21,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:21,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:21,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:21,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:21,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:21,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:21,346 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:21,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:21,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:21,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:21,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:21,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:21,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:21,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:21,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:21,355 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:21,356 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:21,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:21,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:21,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:21,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:21,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:21,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:21,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:21,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:21,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:21,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:21,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:21,364 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:21,366 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:21,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:21,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:21,368 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 -> 33d0641b9a339cc7e30dea71c1d04be4d72dcf57 [2019-11-27 16:21:21,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:21,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:21,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:21,997 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:21,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:21,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Ackermann03.c [2019-11-27 16:21:22,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d71c44b/87e60df40c1343138d4b4bb87ef1b955/FLAGa6788ecc5 [2019-11-27 16:21:23,223 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:23,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Ackermann03.c [2019-11-27 16:21:23,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d71c44b/87e60df40c1343138d4b4bb87ef1b955/FLAGa6788ecc5 [2019-11-27 16:21:23,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d71c44b/87e60df40c1343138d4b4bb87ef1b955 [2019-11-27 16:21:23,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:23,300 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:23,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:23,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:23,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:23,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:23,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6a88b6 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 16:21:23,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:23,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:23,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:23,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:23,863 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:23,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:23,953 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:23,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23 WrapperNode [2019-11-27 16:21:23,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:23,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:23,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:23,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:24,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:24,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:24,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:24,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:24,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:24,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:24,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:24,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:24,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:24,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:24,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:24,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:24,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:23" (1/1) ... [2019-11-27 16:21:24,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:24,235 INFO L168 Benchmark]: Toolchain (without parser) took 926.63 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:24,236 INFO L168 Benchmark]: CDTParser took 0.30 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 16:21:24,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.92 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:24,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:24,250 INFO L168 Benchmark]: Boogie Preprocessor took 66.21 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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 16:21:24,263 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 657.92 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 196.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.21 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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...