./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/afterrec-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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-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 e8f83f4c04fbac90273b8f8e733ac05d1463068f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-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 e8f83f4c04fbac90273b8f8e733ac05d1463068f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:35,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:35,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:35,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:35,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:35,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:35,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:35,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:35,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:35,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:35,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:35,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:35,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:35,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:35,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:35,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:35,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:35,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:35,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:35,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:35,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:35,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:35,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:35,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:35,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:35,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:35,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:35,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:35,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:35,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:35,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:35,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:35,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:35,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:35,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:35,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:35,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:35,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:35,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:35,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:35,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:35,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:04:35,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:35,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:35,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:35,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:35,393 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:35,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:35,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:35,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:04:35,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:35,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:35,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:35,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:35,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:35,399 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:35,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:35,402 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:35,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:35,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:35,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:35,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:35,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:35,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:35,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:35,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:35,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:35,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:04:35,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:04:35,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:35,408 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 -> e8f83f4c04fbac90273b8f8e733ac05d1463068f [2019-11-25 23:04:35,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:35,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:35,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:35,996 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:35,997 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:35,998 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec-1.c [2019-11-25 23:04:36,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/141cffd5b/8342c4a9fd934dd98c8231b0dd842474/FLAG62f6c1881 [2019-11-25 23:04:37,140 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:37,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec-1.c [2019-11-25 23:04:37,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/141cffd5b/8342c4a9fd934dd98c8231b0dd842474/FLAG62f6c1881 [2019-11-25 23:04:37,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/141cffd5b/8342c4a9fd934dd98c8231b0dd842474 [2019-11-25 23:04:37,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:37,337 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:37,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:37,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:37,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:37,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:37,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4578b0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37, skipping insertion in model container [2019-11-25 23:04:37,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:37,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:37,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:37,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:37,795 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:37,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:37,828 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:37,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37 WrapperNode [2019-11-25 23:04:37,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:37,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:37,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:37,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:37,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:37,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:37,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:37,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:37,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:37,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:38,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:38,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:38,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:38,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:38,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:38,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:38,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:37" (1/1) ... [2019-11-25 23:04:38,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:38,044 INFO L168 Benchmark]: Toolchain (without parser) took 694.87 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: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:38,046 INFO L168 Benchmark]: CDTParser took 1.84 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. [2019-11-25 23:04:38,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.34 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. [2019-11-25 23:04:38,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.33 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:38,057 INFO L168 Benchmark]: Boogie Preprocessor took 111.06 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. [2019-11-25 23:04:38,068 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.84 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 490.34 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 79.33 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 111.06 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:41,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:41,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:41,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:41,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:41,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:41,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:41,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:41,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:41,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:41,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:41,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:41,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:41,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:41,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:41,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:41,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:41,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:41,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:41,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:41,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:41,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:41,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:41,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:41,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:41,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:41,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:41,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:41,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:41,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:41,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:41,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:41,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:41,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:41,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:41,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:41,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:41,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:41,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:41,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:41,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:41,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:04:41,984 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:41,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:41,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:41,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:41,993 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:41,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:41,994 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:41,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:41,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:41,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:41,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:41,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:42,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:04:42,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:04:42,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:42,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:42,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:42,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:42,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:42,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:42,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:42,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:42,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:42,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:42,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:42,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:42,008 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:04:42,010 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:04:42,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:42,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:04:42,012 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 -> e8f83f4c04fbac90273b8f8e733ac05d1463068f [2019-11-25 23:04:42,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:42,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:42,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:42,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:42,614 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:42,616 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec-1.c [2019-11-25 23:04:42,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd11b0d01/891ea7690e6a4c6d9b1d74048af94013/FLAG4c96da33c [2019-11-25 23:04:43,738 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:43,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec-1.c [2019-11-25 23:04:43,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd11b0d01/891ea7690e6a4c6d9b1d74048af94013/FLAG4c96da33c [2019-11-25 23:04:43,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd11b0d01/891ea7690e6a4c6d9b1d74048af94013 [2019-11-25 23:04:43,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:43,939 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:43,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:43,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:43,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:43,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777bc9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:43, skipping insertion in model container [2019-11-25 23:04:43,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:43" (1/1) ... [2019-11-25 23:04:43,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:44,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:44,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:44,391 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:44,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:44,442 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:44,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:44 WrapperNode [2019-11-25 23:04:44,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:44,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:44,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:44,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:44,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:44,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:44,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:44,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:44,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:44" (1/1) ... [2019-11-25 23:04:44,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:44,667 INFO L168 Benchmark]: Toolchain (without parser) took 710.19 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 997.0 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:44,672 INFO L168 Benchmark]: CDTParser took 3.05 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. [2019-11-25 23:04:44,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.36 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. [2019-11-25 23:04:44,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.52 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: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:44,680 INFO L168 Benchmark]: Boogie Preprocessor took 30.65 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. [2019-11-25 23:04:44,693 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.05 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 503.36 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 159.52 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: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 30.65 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...