./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/afterrec-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/afterrec-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 30601811463d073f869bef96a3132d41c5e6f5ce .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/afterrec-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 30601811463d073f869bef96a3132d41c5e6f5ce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:11:58,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:11:58,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:11:58,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:11:58,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:11:58,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:11:58,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:11:58,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:11:58,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:11:58,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:11:58,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:11:58,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:11:58,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:11:58,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:11:58,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:11:58,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:11:58,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:11:58,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:11:58,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:11:58,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:11:58,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:11:58,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:11:58,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:11:58,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:11:58,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:11:58,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:11:58,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:11:58,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:11:58,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:11:58,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:11:58,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:11:58,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:11:58,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:11:58,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:11:58,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:11:58,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:11:58,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:11:58,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:11:58,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:11:58,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:11:58,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:11:58,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:11:59,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:11:59,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:11:59,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:11:59,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:11:59,032 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:11:59,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:11:59,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:11:59,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:11:59,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:11:59,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:11:59,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:11:59,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:11:59,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:11:59,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:11:59,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:11:59,042 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:11:59,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:11:59,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:11:59,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:11:59,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:11:59,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:11:59,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:11:59,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:11:59,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:11:59,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:11:59,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:11:59,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:11:59,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:11:59,051 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 -> 30601811463d073f869bef96a3132d41c5e6f5ce [2019-11-26 17:11:59,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:11:59,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:11:59,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:11:59,670 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:11:59,674 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:11:59,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec-2.c [2019-11-26 17:11:59,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e7e5db6/6c2c815aa7114bb8aba38364769d2c1a/FLAG24f319d02 [2019-11-26 17:12:00,819 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:00,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec-2.c [2019-11-26 17:12:00,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e7e5db6/6c2c815aa7114bb8aba38364769d2c1a/FLAG24f319d02 [2019-11-26 17:12:00,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06e7e5db6/6c2c815aa7114bb8aba38364769d2c1a [2019-11-26 17:12:00,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:00,881 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:00,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:00,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:00,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:00,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:00" (1/1) ... [2019-11-26 17:12:00,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69df2beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:00, skipping insertion in model container [2019-11-26 17:12:00,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:00" (1/1) ... [2019-11-26 17:12:00,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:00,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:01,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:01,363 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:01,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:01,428 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:01,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:01 WrapperNode [2019-11-26 17:12:01,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:01,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:01,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:01,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:01,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:01" (1/1) ... [2019-11-26 17:12:01,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:01" (1/1) ... [2019-11-26 17:12:01,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:01,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:01,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:01,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:01,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:01" (1/1) ... [2019-11-26 17:12:01,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:01" (1/1) ... [2019-11-26 17:12:01,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:01" (1/1) ... [2019-11-26 17:12:01,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:01" (1/1) ... [2019-11-26 17:12:01,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:01" (1/1) ... [2019-11-26 17:12:01,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:01" (1/1) ... [2019-11-26 17:12:01,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:01" (1/1) ... [2019-11-26 17:12:01,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:01,640 INFO L168 Benchmark]: Toolchain (without parser) took 751.45 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 996.9 MB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:01,642 INFO L168 Benchmark]: CDTParser took 0.44 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 17:12:01,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.32 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. [2019-11-26 17:12:01,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.17 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 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:01,655 INFO L168 Benchmark]: Boogie Preprocessor took 31.64 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. [2019-11-26 17:12:01,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 545.32 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 162.17 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 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 31.64 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 0.1.24-025d5a2 [2019-11-26 17:12:05,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:05,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:05,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:05,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:05,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:05,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:05,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:05,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:05,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:05,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:05,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:05,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:05,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:05,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:05,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:05,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:05,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:05,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:05,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:05,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:05,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:05,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:05,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:05,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:05,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:05,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:05,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:05,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:05,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:05,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:05,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:05,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:05,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:05,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:05,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:05,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:05,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:05,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:05,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:05,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:05,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:05,742 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:05,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:05,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:05,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:05,752 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:05,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:05,752 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:05,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:05,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:05,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:05,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:05,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:05,759 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:05,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:05,760 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:05,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:05,761 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:05,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:05,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:05,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:05,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:05,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:05,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:05,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:05,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:05,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:05,767 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:05,767 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:05,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:05,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:05,771 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 -> 30601811463d073f869bef96a3132d41c5e6f5ce [2019-11-26 17:12:06,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:06,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:06,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:06,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:06,399 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:06,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec-2.c [2019-11-26 17:12:06,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d911576cc/7207a8cc59244e7786263cd819ac3c4f/FLAGcc09dde5e [2019-11-26 17:12:07,599 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:07,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec-2.c [2019-11-26 17:12:07,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d911576cc/7207a8cc59244e7786263cd819ac3c4f/FLAGcc09dde5e [2019-11-26 17:12:07,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d911576cc/7207a8cc59244e7786263cd819ac3c4f [2019-11-26 17:12:07,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:07,665 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:07,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:07,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:07,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:07,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@380647e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:07, skipping insertion in model container [2019-11-26 17:12:07,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:07" (1/1) ... [2019-11-26 17:12:07,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:07,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:08,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:08,151 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:08,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:08,221 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:08,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:08 WrapperNode [2019-11-26 17:12:08,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:08,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:08,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:08,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:08,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:08" (1/1) ... [2019-11-26 17:12:08,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:08" (1/1) ... [2019-11-26 17:12:08,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:08,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:08,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:08,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:08,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:08" (1/1) ... [2019-11-26 17:12:08,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:08" (1/1) ... [2019-11-26 17:12:08,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:08" (1/1) ... [2019-11-26 17:12:08,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:08" (1/1) ... [2019-11-26 17:12:08,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:08" (1/1) ... [2019-11-26 17:12:08,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:08" (1/1) ... [2019-11-26 17:12:08,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:08" (1/1) ... [2019-11-26 17:12:08,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:08,442 INFO L168 Benchmark]: Toolchain (without parser) took 760.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:08,445 INFO L168 Benchmark]: CDTParser took 2.51 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. [2019-11-26 17:12:08,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.86 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. [2019-11-26 17:12:08,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.15 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. [2019-11-26 17:12:08,455 INFO L168 Benchmark]: Boogie Preprocessor took 29.04 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 17:12:08,468 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.51 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 557.86 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 165.15 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 29.04 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...