./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 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/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 0.1.24-65d6cd2 [2019-11-25 23:04:52,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:52,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:52,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:52,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:52,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:52,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:52,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:52,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:52,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:52,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:52,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:52,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:52,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:52,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:52,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:52,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:52,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:52,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:52,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:52,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:52,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:52,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:52,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:52,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:52,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:52,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:52,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:52,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:52,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:52,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:52,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:52,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:52,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:52,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:52,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:52,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:52,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:52,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:52,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:52,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:52,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:04:52,305 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:52,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:52,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:52,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:52,311 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:52,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:52,315 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:52,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:04:52,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:52,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:52,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:52,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:52,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:52,318 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:52,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:52,318 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:52,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:52,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:52,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:52,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:52,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:52,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:52,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:52,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:52,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:52,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:04:52,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:04:52,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:52,324 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 [2019-11-25 23:04:52,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:52,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:52,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:52,810 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:52,810 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:52,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-11-25 23:04:52,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9a4ae076/acd40508662d47fc9d952f3f961cb2d5/FLAG58fa6b7c7 [2019-11-25 23:04:53,645 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:53,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-11-25 23:04:53,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9a4ae076/acd40508662d47fc9d952f3f961cb2d5/FLAG58fa6b7c7 [2019-11-25 23:04:53,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9a4ae076/acd40508662d47fc9d952f3f961cb2d5 [2019-11-25 23:04:53,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:53,983 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:53,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:53,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:53,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:53,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:53,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555cfcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:53, skipping insertion in model container [2019-11-25 23:04:54,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:53" (1/1) ... [2019-11-25 23:04:54,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:54,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:54,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:54,317 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:54,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:54,350 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:54,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54 WrapperNode [2019-11-25 23:04:54,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:54,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:54,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:54,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:54,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:54,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:54,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:54,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:54,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:54" (1/1) ... [2019-11-25 23:04:54,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:54,509 INFO L168 Benchmark]: Toolchain (without parser) took 512.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 995.5 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:54,511 INFO L168 Benchmark]: CDTParser took 1.33 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 23:04:54,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.75 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:54,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 995.5 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:54,519 INFO L168 Benchmark]: Boogie Preprocessor took 21.76 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:54,530 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 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 364.75 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 118.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 995.5 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 21.76 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 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 0.1.24-65d6cd2 [2019-11-25 23:04:57,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:57,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:57,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:57,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:57,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:57,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:57,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:57,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:57,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:57,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:57,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:57,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:57,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:57,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:57,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:57,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:57,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:57,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:57,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:57,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:57,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:57,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:57,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:57,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:57,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:57,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:57,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:57,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:57,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:57,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:57,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:57,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:57,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:57,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:57,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:57,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:57,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:57,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:57,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:57,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:57,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:04:57,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:57,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:57,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:57,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:57,676 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:57,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:57,678 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:57,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:57,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:57,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:57,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:57,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:57,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:04:57,682 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:04:57,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:57,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:57,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:57,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:57,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:57,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:57,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:57,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:57,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:57,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:57,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:57,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:57,687 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:04:57,688 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:04:57,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:57,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:04:57,689 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 [2019-11-25 23:04:58,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:58,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:58,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:58,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:58,224 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:58,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-11-25 23:04:58,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7208d37be/9c0d10bcf1d54afcb91bc6d1a4ae3632/FLAGc8783f9f6 [2019-11-25 23:04:59,059 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:59,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-11-25 23:04:59,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7208d37be/9c0d10bcf1d54afcb91bc6d1a4ae3632/FLAGc8783f9f6 [2019-11-25 23:04:59,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7208d37be/9c0d10bcf1d54afcb91bc6d1a4ae3632 [2019-11-25 23:04:59,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:59,384 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:59,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:59,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:59,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:59,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555cfcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59, skipping insertion in model container [2019-11-25 23:04:59,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:59,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:59,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:59,725 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:59,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:59,778 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:59,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59 WrapperNode [2019-11-25 23:04:59,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:59,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:59,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:59,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:59,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:59,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:59,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:59,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:59,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:59" (1/1) ... [2019-11-25 23:04:59,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:59,912 INFO L168 Benchmark]: Toolchain (without parser) took 524.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 995.6 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:59,913 INFO L168 Benchmark]: CDTParser took 0.31 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 23:04:59,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.42 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:59,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 995.6 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:59,919 INFO L168 Benchmark]: Boogie Preprocessor took 18.45 ms. Allocated memory is still 1.0 GB. Free memory is still 995.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:59,930 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 391.42 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 102.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 995.6 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 18.45 ms. Allocated memory is still 1.0 GB. Free memory is still 995.6 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...