./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/afterrec_2calls-1.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-simple/afterrec_2calls-1.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 7757e3f263599cd02799bfad01adb3bcaa895e82 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-simple/afterrec_2calls-1.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 7757e3f263599cd02799bfad01adb3bcaa895e82 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:21:27,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:27,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:27,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:27,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:27,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:27,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:27,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:27,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:27,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:27,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:27,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:27,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:27,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:27,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:27,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:27,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:27,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:27,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:27,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:27,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:27,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:27,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:27,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:27,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:27,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:27,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:27,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:27,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:27,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:27,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:27,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:27,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:27,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:27,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:27,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:27,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:27,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:27,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:27,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:27,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:27,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:27,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:27,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:27,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:27,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:27,419 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:27,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:27,422 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:27,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:27,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:27,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:27,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:27,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:27,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:27,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:27,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:27,425 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:27,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:27,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:27,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:27,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:27,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:27,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:27,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:27,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:27,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:27,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:27,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:27,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:27,431 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 -> 7757e3f263599cd02799bfad01adb3bcaa895e82 [2019-11-27 16:21:27,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:27,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:27,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:27,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:27,918 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:27,919 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c [2019-11-27 16:21:28,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91da14af3/5095f964aaf94223b693287235109945/FLAG96cbe7293 [2019-11-27 16:21:28,740 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:28,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c [2019-11-27 16:21:28,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91da14af3/5095f964aaf94223b693287235109945/FLAG96cbe7293 [2019-11-27 16:21:29,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91da14af3/5095f964aaf94223b693287235109945 [2019-11-27 16:21:29,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:29,067 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:29,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:29,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:29,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:29,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31604e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29, skipping insertion in model container [2019-11-27 16:21:29,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:29,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:29,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:29,385 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:29,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:29,412 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:29,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29 WrapperNode [2019-11-27 16:21:29,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:29,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:29,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:29,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:29,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:29,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:29,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:29,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:29,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:29" (1/1) ... [2019-11-27 16:21:29,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:29,543 INFO L168 Benchmark]: Toolchain (without parser) took 461.08 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:29,546 INFO L168 Benchmark]: CDTParser took 1.56 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 16:21:29,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.92 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:29,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:29,553 INFO L168 Benchmark]: Boogie Preprocessor took 20.68 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:29,561 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 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 344.92 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 91.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 20.68 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:21:32,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:32,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:32,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:32,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:32,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:32,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:32,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:32,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:32,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:32,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:32,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:32,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:32,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:32,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:32,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:32,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:32,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:32,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:32,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:32,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:32,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:32,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:32,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:32,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:32,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:32,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:32,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:32,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:32,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:32,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:32,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:32,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:32,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:32,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:32,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:32,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:32,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:32,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:32,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:32,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:32,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:32,367 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:32,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:32,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:32,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:32,371 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:32,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:32,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:32,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:32,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:32,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:32,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:32,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:32,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:32,376 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:32,376 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:32,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:32,379 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:32,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:32,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:32,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:32,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:32,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:32,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:32,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:32,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:32,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:32,381 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:32,381 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:32,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:32,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:32,385 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 -> 7757e3f263599cd02799bfad01adb3bcaa895e82 [2019-11-27 16:21:32,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:32,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:32,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:32,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:32,815 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:32,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c [2019-11-27 16:21:32,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53240be22/f435c6fc3cc54547bc74e98a43ed4ba0/FLAG7e4862040 [2019-11-27 16:21:33,619 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:33,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec_2calls-1.c [2019-11-27 16:21:33,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53240be22/f435c6fc3cc54547bc74e98a43ed4ba0/FLAG7e4862040 [2019-11-27 16:21:33,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53240be22/f435c6fc3cc54547bc74e98a43ed4ba0 [2019-11-27 16:21:33,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:33,958 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:33,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:33,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:33,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:33,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:33" (1/1) ... [2019-11-27 16:21:33,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:33, skipping insertion in model container [2019-11-27 16:21:33,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:33" (1/1) ... [2019-11-27 16:21:33,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:34,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:34,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:34,322 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:34,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:34,376 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:34,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34 WrapperNode [2019-11-27 16:21:34,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:34,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:34,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:34,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:34,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:34,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:34,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:34,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:34,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:34" (1/1) ... [2019-11-27 16:21:34,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:34,583 INFO L168 Benchmark]: Toolchain (without parser) took 620.31 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 996.9 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:34,585 INFO L168 Benchmark]: CDTParser took 2.68 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 16:21:34,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.60 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 16:21:34,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.23 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:34,592 INFO L168 Benchmark]: Boogie Preprocessor took 36.00 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:34,600 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.68 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 418.60 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 161.23 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 36.00 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...