./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 32f26835 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 0.1.24-32f2683 [2019-11-24 21:17:53,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:17:53,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:17:53,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:17:53,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:17:53,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:17:53,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:17:53,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:17:53,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:17:53,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:17:53,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:17:53,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:17:53,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:17:53,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:17:53,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:17:53,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:17:53,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:17:53,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:17:53,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:17:53,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:17:53,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:17:53,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:17:53,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:17:53,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:17:53,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:17:53,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:17:53,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:17:53,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:17:53,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:17:53,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:17:53,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:17:53,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:17:53,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:17:53,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:17:53,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:17:53,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:17:53,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:17:53,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:17:53,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:17:53,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:17:54,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:17:54,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:17:54,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:17:54,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:17:54,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:17:54,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:17:54,056 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:17:54,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:17:54,058 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:17:54,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:17:54,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:17:54,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:17:54,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:17:54,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:17:54,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:17:54,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:17:54,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:17:54,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:17:54,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:17:54,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:17:54,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:17:54,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:17:54,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:17:54,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:17:54,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:17:54,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:17:54,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:17:54,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:17:54,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:17:54,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:17:54,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:17:54,074 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 [2019-11-24 21:17:54,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:17:54,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:17:54,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:17:54,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:17:54,613 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:17:54,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec-2.c [2019-11-24 21:17:54,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6d67e06b/e338fe7e3d204a66bc4bc21382c81dae/FLAGdb4ba3234 [2019-11-24 21:17:55,760 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:17:55,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec-2.c [2019-11-24 21:17:55,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6d67e06b/e338fe7e3d204a66bc4bc21382c81dae/FLAGdb4ba3234 [2019-11-24 21:17:55,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6d67e06b/e338fe7e3d204a66bc4bc21382c81dae [2019-11-24 21:17:55,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:17:55,826 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:17:55,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:17:55,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:17:55,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:17:55,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:17:55" (1/1) ... [2019-11-24 21:17:55,852 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 24.11 09:17:55, skipping insertion in model container [2019-11-24 21:17:55,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:17:55" (1/1) ... [2019-11-24 21:17:55,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:17:55,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:17:56,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:17:56,337 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:17:56,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:17:56,405 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:17:56,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:56 WrapperNode [2019-11-24 21:17:56,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:17:56,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:17:56,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:17:56,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:17:56,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:56" (1/1) ... [2019-11-24 21:17:56,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:56" (1/1) ... [2019-11-24 21:17:56,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:17:56,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:17:56,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:17:56,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:17:56,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:56" (1/1) ... [2019-11-24 21:17:56,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:56" (1/1) ... [2019-11-24 21:17:56,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:56" (1/1) ... [2019-11-24 21:17:56,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:56" (1/1) ... [2019-11-24 21:17:56,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:56" (1/1) ... [2019-11-24 21:17:56,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:56" (1/1) ... [2019-11-24 21:17:56,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:56" (1/1) ... [2019-11-24 21:17:56,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:17:56,622 INFO L168 Benchmark]: Toolchain (without parser) took 788.47 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. [2019-11-24 21:17:56,627 INFO L168 Benchmark]: CDTParser took 2.45 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. [2019-11-24 21:17:56,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.08 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. [2019-11-24 21:17:56,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.62 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:17:56,636 INFO L168 Benchmark]: Boogie Preprocessor took 36.44 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. [2019-11-24 21:17:56,649 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.45 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 580.08 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 164.62 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 36.44 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 0.1.24-32f2683 [2019-11-24 21:18:00,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:00,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:00,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:00,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:00,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:00,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:00,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:00,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:00,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:00,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:00,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:00,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:00,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:00,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:00,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:00,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:00,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:00,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:00,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:00,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:00,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:00,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:00,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:00,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:00,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:00,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:00,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:00,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:00,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:00,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:00,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:00,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:00,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:00,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:00,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:00,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:00,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:00,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:00,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:00,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:00,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:00,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:00,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:00,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:00,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:00,778 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:00,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:00,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:00,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:00,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:00,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:00,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:00,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:00,786 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:00,787 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:00,787 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:00,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:00,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:00,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:00,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:00,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:00,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:00,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:00,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:00,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:00,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:00,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:00,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:00,794 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:00,796 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:00,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:00,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:00,798 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 [2019-11-24 21:18:01,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:01,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:01,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:01,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:01,382 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:01,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec-2.c [2019-11-24 21:18:01,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f96a6db/f8ff2f4825d24d9b80feeccfebdf3211/FLAG1d60902d9 [2019-11-24 21:18:02,478 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:02,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec-2.c [2019-11-24 21:18:02,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f96a6db/f8ff2f4825d24d9b80feeccfebdf3211/FLAG1d60902d9 [2019-11-24 21:18:02,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f96a6db/f8ff2f4825d24d9b80feeccfebdf3211 [2019-11-24 21:18:02,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:02,687 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:02,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:02,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:02,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:02,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:02" (1/1) ... [2019-11-24 21:18:02,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1542a42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:02, skipping insertion in model container [2019-11-24 21:18:02,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:02" (1/1) ... [2019-11-24 21:18:02,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:02,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:03,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:03,198 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:03,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:03,271 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:03,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03 WrapperNode [2019-11-24 21:18:03,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:03,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:03,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:03,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:03,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:03,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:03,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:03,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:03,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:03" (1/1) ... [2019-11-24 21:18:03,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:03,527 INFO L168 Benchmark]: Toolchain (without parser) took 831.93 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. [2019-11-24 21:18:03,532 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-24 21:18:03,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.80 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. [2019-11-24 21:18:03,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 201.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:03,541 INFO L168 Benchmark]: Boogie Preprocessor took 37.33 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. [2019-11-24 21:18:03,553 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 585.80 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 201.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 37.33 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...