./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/id_b3_o5-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d39666f7b9e3c393826226f879477647e7209cc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/id_b3_o5-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d39666f7b9e3c393826226f879477647e7209cc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:18,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:18,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:18,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:18,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:18,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:18,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:18,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:18,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:18,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:18,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:18,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:18,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:18,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:18,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:18,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:18,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:18,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:18,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:18,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:18,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:18,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:18,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:18,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:18,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:18,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:18,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:18,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:18,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:18,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:18,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:18,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:18,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:18,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:18,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:18,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:18,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:18,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:18,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:18,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:18,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:18,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:18,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:18,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:18,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:18,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:18,408 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:18,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:18,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:18,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:18,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:18,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:18,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:18,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:18,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:18,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:18,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:18,416 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:18,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:18,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:18,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:18,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:18,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:18,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:18,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:18,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:18,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:18,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:18,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:18,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:18,423 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 -> 8d39666f7b9e3c393826226f879477647e7209cc [2019-11-26 17:12:19,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:19,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:19,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:19,084 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:19,085 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:19,089 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2019-11-26 17:12:19,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838950a72/b035414c2f874b48b17a15565f0a35e8/FLAG3d755993c [2019-11-26 17:12:20,289 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:20,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2019-11-26 17:12:20,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838950a72/b035414c2f874b48b17a15565f0a35e8/FLAG3d755993c [2019-11-26 17:12:20,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838950a72/b035414c2f874b48b17a15565f0a35e8 [2019-11-26 17:12:20,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:20,366 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:20,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:20,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:20,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:20,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8145b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20, skipping insertion in model container [2019-11-26 17:12:20,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:20,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:20,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:20,826 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:20,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:20,870 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:20,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20 WrapperNode [2019-11-26 17:12:20,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:20,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:20,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:20,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:20,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:20,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:21,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:21,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:21,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:21,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:21,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:21,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:21,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:21,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:21,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:21,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:21,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:20" (1/1) ... [2019-11-26 17:12:21,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:21,084 INFO L168 Benchmark]: Toolchain (without parser) took 701.89 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. [2019-11-26 17:12:21,086 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-26 17:12:21,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.14 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. [2019-11-26 17:12:21,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.24 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. [2019-11-26 17:12:21,095 INFO L168 Benchmark]: Boogie Preprocessor took 37.32 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. [2019-11-26 17:12:21,107 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 504.14 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 144.24 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 37.32 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 0.1.24-025d5a2 [2019-11-26 17:12:25,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:25,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:25,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:25,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:25,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:25,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:25,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:25,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:25,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:25,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:25,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:25,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:25,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:25,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:25,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:25,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:25,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:25,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:25,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:25,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:25,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:25,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:25,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:25,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:25,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:25,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:25,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:25,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:25,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:25,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:25,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:25,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:25,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:25,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:25,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:25,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:25,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:25,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:25,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:25,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:25,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:25,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:25,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:25,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:25,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:25,237 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:25,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:25,238 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:25,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:25,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:25,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:25,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:25,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:25,242 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:25,245 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:25,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:25,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:25,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:25,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:25,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:25,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:25,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:25,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:25,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:25,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:25,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:25,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:25,251 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:25,252 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:25,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:25,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:25,256 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 -> 8d39666f7b9e3c393826226f879477647e7209cc [2019-11-26 17:12:25,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:25,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:25,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:25,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:25,837 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:25,839 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2019-11-26 17:12:26,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c4fbbc3/9ac6bd60832c4616a4e4d02437b1e9a6/FLAG9ffbdfa34 [2019-11-26 17:12:27,032 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:27,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2019-11-26 17:12:27,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c4fbbc3/9ac6bd60832c4616a4e4d02437b1e9a6/FLAG9ffbdfa34 [2019-11-26 17:12:27,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c4fbbc3/9ac6bd60832c4616a4e4d02437b1e9a6 [2019-11-26 17:12:27,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:27,092 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:27,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:27,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:27,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:27,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fcfb979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27, skipping insertion in model container [2019-11-26 17:12:27,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:27,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:27,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:27,527 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:27,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:27,568 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:27,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27 WrapperNode [2019-11-26 17:12:27,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:27,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:27,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:27,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:27,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:27,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:27,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:27,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:27,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:27" (1/1) ... [2019-11-26 17:12:27,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:27,734 INFO L168 Benchmark]: Toolchain (without parser) took 639.94 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:27,749 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-26 17:12:27,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.56 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. [2019-11-26 17:12:27,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:27,760 INFO L168 Benchmark]: Boogie Preprocessor took 25.27 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. [2019-11-26 17:12:27,768 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 476.56 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 127.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 25.27 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...