./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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_b2_o3.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 128b2219e8f86913777da69c49be5957c6dd8c80 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_b2_o3.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 128b2219e8f86913777da69c49be5957c6dd8c80 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:54,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:54,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:54,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:54,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:54,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:54,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:54,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:54,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:54,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:54,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:54,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:54,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:54,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:54,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:54,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:54,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:54,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:54,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:54,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:54,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:54,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:54,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:54,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:54,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:54,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:54,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:54,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:54,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:54,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:54,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:54,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:54,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:54,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:54,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:54,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:54,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:54,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:54,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:54,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:54,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:54,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:54,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:54,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:54,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:54,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:54,401 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:54,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:54,405 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:54,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:54,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:54,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:54,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:54,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:54,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:54,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:54,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:54,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:54,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:54,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:54,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:54,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:54,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:54,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:54,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:54,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:54,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:54,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:54,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:54,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:54,420 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 -> 128b2219e8f86913777da69c49be5957c6dd8c80 [2019-11-27 09:59:54,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:54,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:54,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:54,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:54,993 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:54,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-11-27 09:59:55,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ada89fd9/bbb219085c73499eb14a80f6b603a57a/FLAG7f79a04ff [2019-11-27 09:59:56,226 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:56,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-11-27 09:59:56,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ada89fd9/bbb219085c73499eb14a80f6b603a57a/FLAG7f79a04ff [2019-11-27 09:59:56,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ada89fd9/bbb219085c73499eb14a80f6b603a57a [2019-11-27 09:59:56,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:56,299 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:56,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:56,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:56,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:56,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:56,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d465a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56, skipping insertion in model container [2019-11-27 09:59:56,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:56,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:56,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:56,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:56,822 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:56,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:56,897 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:56,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56 WrapperNode [2019-11-27 09:59:56,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:56,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:56,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:56,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:56,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:56,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:57,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:57,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:57,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:57,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:57,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:57,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:57,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:57,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:57,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:57,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:57,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:56" (1/1) ... [2019-11-27 09:59:57,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:57,134 INFO L168 Benchmark]: Toolchain (without parser) took 828.07 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:57,141 INFO L168 Benchmark]: CDTParser took 1.73 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 09:59:57,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.74 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 09:59:57,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.41 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 09:59:57,150 INFO L168 Benchmark]: Boogie Preprocessor took 48.43 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 09:59:57,165 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73 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 601.74 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 169.41 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 48.43 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:00:01,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:01,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:01,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:01,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:01,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:01,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:01,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:01,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:01,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:01,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:01,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:01,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:01,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:01,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:01,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:01,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:01,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:01,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:01,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:01,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:01,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:01,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:01,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:01,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:01,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:01,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:01,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:01,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:01,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:01,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:01,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:01,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:01,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:01,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:01,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:01,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:01,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:01,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:01,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:01,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:01,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:01,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:01,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:01,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:01,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:01,451 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:01,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:01,452 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:01,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:01,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:01,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:01,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:01,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:01,459 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:01,460 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:01,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:01,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:01,461 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:01,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:01,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:01,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:01,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:01,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:01,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:01,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:01,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:01,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:01,468 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:01,469 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:01,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:01,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:01,474 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 -> 128b2219e8f86913777da69c49be5957c6dd8c80 [2019-11-27 10:00:02,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:02,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:02,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:02,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:02,168 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:02,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-11-27 10:00:02,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a6176a9/5aebda0ad22c451abbb4caf1b74e7420/FLAGeb9c4c2a0 [2019-11-27 10:00:03,374 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:03,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-11-27 10:00:03,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a6176a9/5aebda0ad22c451abbb4caf1b74e7420/FLAGeb9c4c2a0 [2019-11-27 10:00:03,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a6176a9/5aebda0ad22c451abbb4caf1b74e7420 [2019-11-27 10:00:03,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:03,447 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:03,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:03,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:03,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:03,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:03" (1/1) ... [2019-11-27 10:00:03,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:03, skipping insertion in model container [2019-11-27 10:00:03,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:03" (1/1) ... [2019-11-27 10:00:03,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:03,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:03,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:03,973 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:03,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:04,036 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:04,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04 WrapperNode [2019-11-27 10:00:04,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:04,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:04,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:04,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:04,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:04,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:04,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:04,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:04,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:04,269 INFO L168 Benchmark]: Toolchain (without parser) took 812.54 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 10:00:04,278 INFO L168 Benchmark]: CDTParser took 0.51 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 10:00:04,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.98 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 10:00:04,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.91 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 10:00:04,289 INFO L168 Benchmark]: Boogie Preprocessor took 43.74 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 10:00:04,301 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 586.98 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 166.91 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 43.74 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...