./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_b3_o2-2.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_b3_o2-2.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 3bf945356a28265a842df89cdbf40bfa9a223140 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_b3_o2-2.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 3bf945356a28265a842df89cdbf40bfa9a223140 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:18:11,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:11,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:11,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:11,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:11,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:11,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:11,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:11,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:11,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:11,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:11,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:11,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:11,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:11,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:11,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:11,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:11,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:11,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:11,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:11,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:11,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:11,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:11,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:11,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:11,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:11,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:11,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:11,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:11,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:11,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:11,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:11,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:11,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:11,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:11,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:11,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:11,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:11,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:11,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:11,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:11,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:11,710 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:11,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:11,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:11,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:11,715 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:11,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:11,716 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:11,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:11,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:11,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:11,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:11,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:11,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:11,722 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:11,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:11,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:11,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:11,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:11,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:11,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:11,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:11,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:11,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:11,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:11,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:11,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:11,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:11,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:11,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:11,732 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 -> 3bf945356a28265a842df89cdbf40bfa9a223140 [2019-11-24 21:18:12,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:12,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:12,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:12,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:12,241 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:12,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2019-11-24 21:18:12,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dec667aa5/fe73991789b6471f94bcd9718b65ecde/FLAGd26c5b912 [2019-11-24 21:18:13,374 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:13,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2019-11-24 21:18:13,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dec667aa5/fe73991789b6471f94bcd9718b65ecde/FLAGd26c5b912 [2019-11-24 21:18:13,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dec667aa5/fe73991789b6471f94bcd9718b65ecde [2019-11-24 21:18:13,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:13,441 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:13,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:13,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:13,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:13,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8145b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:13, skipping insertion in model container [2019-11-24 21:18:13,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:13" (1/1) ... [2019-11-24 21:18:13,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:13,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:13,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:13,961 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:13,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:14,012 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:14,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:14 WrapperNode [2019-11-24 21:18:14,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:14,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:14,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:14,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:14,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:14" (1/1) ... [2019-11-24 21:18:14,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:14" (1/1) ... [2019-11-24 21:18:14,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:14,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:14,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:14,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:14,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:14" (1/1) ... [2019-11-24 21:18:14,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:14" (1/1) ... [2019-11-24 21:18:14,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:14" (1/1) ... [2019-11-24 21:18:14,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:14" (1/1) ... [2019-11-24 21:18:14,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:14" (1/1) ... [2019-11-24 21:18:14,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:14" (1/1) ... [2019-11-24 21:18:14,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:14" (1/1) ... [2019-11-24 21:18:14,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:14,232 INFO L168 Benchmark]: Toolchain (without parser) took 771.82 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:14,234 INFO L168 Benchmark]: CDTParser took 1.14 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 21:18:14,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.34 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 21:18:14,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.81 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:14,245 INFO L168 Benchmark]: Boogie Preprocessor took 37.53 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:14,256 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 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 568.34 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 149.81 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 37.53 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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 21:18:18,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:18,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:18,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:18,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:18,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:18,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:18,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:18,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:18,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:18,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:18,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:18,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:18,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:18,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:18,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:18,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:18,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:18,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:18,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:18,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:18,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:18,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:18,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:18,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:18,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:18,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:18,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:18,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:18,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:18,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:18,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:18,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:18,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:18,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:18,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:18,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:18,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:18,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:18,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:18,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:18,352 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:18,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:18,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:18,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:18,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:18,400 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:18,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:18,403 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:18,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:18,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:18,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:18,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:18,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:18,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:18,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:18,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:18,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:18,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:18,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:18,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:18,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:18,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:18,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:18,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:18,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:18,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:18,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:18,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:18,416 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:18,417 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:18,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:18,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:18,419 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 -> 3bf945356a28265a842df89cdbf40bfa9a223140 [2019-11-24 21:18:19,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:19,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:19,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:19,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:19,039 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:19,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2019-11-24 21:18:19,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9859dbbfa/36c231577e04445da74de1cd64d097c6/FLAGdda045048 [2019-11-24 21:18:20,149 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:20,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2019-11-24 21:18:20,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9859dbbfa/36c231577e04445da74de1cd64d097c6/FLAGdda045048 [2019-11-24 21:18:20,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9859dbbfa/36c231577e04445da74de1cd64d097c6 [2019-11-24 21:18:20,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:20,348 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:20,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:20,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:20,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:20,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7b7afb 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 21:18:20,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:20,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:20,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:20,820 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:20,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:20,882 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:20,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20 WrapperNode [2019-11-24 21:18:20,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:20,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:20,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:20,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:20,907 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 21:18:20,925 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 21:18:21,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:21,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:21,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:21,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:21,062 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 21:18:21,063 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 21:18:21,064 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 21:18:21,065 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 21:18:21,070 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 21:18:21,073 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 21:18:21,075 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 21:18:21,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:21,085 INFO L168 Benchmark]: Toolchain (without parser) took 731.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 996.9 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:21,088 INFO L168 Benchmark]: CDTParser took 0.29 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 21:18:21,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.93 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:21,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.3 MB in the beginning and 996.9 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:21,094 INFO L168 Benchmark]: Boogie Preprocessor took 25.76 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 21:18:21,111 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 525.93 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 166.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.3 MB in the beginning and 996.9 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 25.76 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...