./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i25_o25-2.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/id_i25_o25-2.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 a544811fe2a74801350302afc46fb67e1c6f238a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_i25_o25-2.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 a544811fe2a74801350302afc46fb67e1c6f238a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:18:18,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:18,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:18,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:18,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:18,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:18,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:18,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:18,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:18,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:18,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:18,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:18,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:18,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:18,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:18,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:18,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:18,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:18,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:18,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:18,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:18,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:18,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:18,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:18,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:18,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:18,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:18,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:18,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:18,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:18,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:18,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:18,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:18,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:18,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:18,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:18,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:18,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:18,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:18,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:18,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:18,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:18,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:18,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:18,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:18,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:18,486 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:18,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:18,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:18,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:18,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:18,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:18,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:18,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:18,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:18,494 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:18,494 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:18,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:18,495 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:18,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:18,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:18,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:18,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:18,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:18,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:18,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:18,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:18,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:18,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:18,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:18,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:18,501 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 -> a544811fe2a74801350302afc46fb67e1c6f238a [2019-11-24 21:18:19,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:19,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:19,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:19,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:19,121 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:19,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2019-11-24 21:18:19,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f9a0703/c2bba843ae994152a7af1a5addb178de/FLAG9cf051b1d [2019-11-24 21:18:20,255 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:20,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2019-11-24 21:18:20,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f9a0703/c2bba843ae994152a7af1a5addb178de/FLAG9cf051b1d [2019-11-24 21:18:20,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f9a0703/c2bba843ae994152a7af1a5addb178de [2019-11-24 21:18:20,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:20,470 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:20,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:20,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:20,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:20,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20, skipping insertion in model container [2019-11-24 21:18:20,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:20,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:20,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:20,891 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:20,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:20,943 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:20,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20 WrapperNode [2019-11-24 21:18:20,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:20,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:20,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:20,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:20,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:21,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:21,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:21,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:21,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:21,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:21,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:21,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:21,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:21,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:21,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:21,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:21,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:21,157 INFO L168 Benchmark]: Toolchain (without parser) took 675.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:21,160 INFO L168 Benchmark]: CDTParser took 2.20 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 21:18:21,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.50 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 21:18:21,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.42 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:21,170 INFO L168 Benchmark]: Boogie Preprocessor took 114.49 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 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:21,180 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.20 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 468.50 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 82.42 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.49 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 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:25,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:25,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:25,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:25,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:25,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:25,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:25,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:25,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:25,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:25,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:25,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:25,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:25,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:25,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:25,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:25,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:25,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:25,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:25,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:25,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:25,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:25,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:25,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:25,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:25,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:25,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:25,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:25,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:25,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:25,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:25,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:25,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:25,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:25,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:25,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:25,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:25,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:25,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:25,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:25,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:25,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:25,240 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:25,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:25,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:25,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:25,247 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:25,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:25,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:25,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:25,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:25,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:25,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:25,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:25,254 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:25,255 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:25,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:25,255 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:25,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:25,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:25,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:25,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:25,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:25,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:25,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:25,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:25,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:25,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:25,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:25,265 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:25,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:25,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:25,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:25,268 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 -> a544811fe2a74801350302afc46fb67e1c6f238a [2019-11-24 21:18:25,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:25,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:25,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:25,904 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:25,909 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:25,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2019-11-24 21:18:26,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce8d3336f/ffbcda942db041aab2a02a82c4fda0bc/FLAG34227b659 [2019-11-24 21:18:27,016 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:27,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2019-11-24 21:18:27,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce8d3336f/ffbcda942db041aab2a02a82c4fda0bc/FLAG34227b659 [2019-11-24 21:18:27,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce8d3336f/ffbcda942db041aab2a02a82c4fda0bc [2019-11-24 21:18:27,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:27,085 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:27,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:27,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:27,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:27,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27, skipping insertion in model container [2019-11-24 21:18:27,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:27,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:27,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:27,601 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:27,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:27,663 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:27,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27 WrapperNode [2019-11-24 21:18:27,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:27,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:27,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:27,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:27,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:27,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:27,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:27,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:27,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:27" (1/1) ... [2019-11-24 21:18:27,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:27,837 INFO L168 Benchmark]: Toolchain (without parser) took 749.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:27,839 INFO L168 Benchmark]: CDTParser took 0.36 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 21:18:27,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.35 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 21:18:27,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:27,860 INFO L168 Benchmark]: Boogie Preprocessor took 24.36 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 21:18:27,871 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 577.35 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 139.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 24.36 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...