./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id2_b2_o3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f345f307410a5ddbdd0513896d69ca703c67be23 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/id2_b2_o3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f345f307410a5ddbdd0513896d69ca703c67be23 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:14,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:14,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:14,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:14,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:14,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:14,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:14,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:14,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:14,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:14,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:14,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:14,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:14,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:14,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:14,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:14,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:14,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:14,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:14,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:14,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:14,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:14,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:14,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:14,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:14,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:14,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:14,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:14,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:14,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:14,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:14,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:14,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:14,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:14,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:14,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:14,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:14,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:14,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:14,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:14,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:14,579 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:14,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:14,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:14,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:14,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:14,624 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:14,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:14,625 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:14,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:14,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:14,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:14,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:14,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:14,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:14,631 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:14,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:14,632 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:14,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:14,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:14,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:14,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:14,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:14,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:14,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:14,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:14,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:14,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:14,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:14,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:14,638 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 -> f345f307410a5ddbdd0513896d69ca703c67be23 [2019-11-26 17:12:15,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:15,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:15,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:15,290 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:15,292 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:15,293 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2019-11-26 17:12:15,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba6af2515/822a91764f5542d5b1b00d0c67cfb123/FLAG1ad2ad2fd [2019-11-26 17:12:16,509 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:16,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2019-11-26 17:12:16,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba6af2515/822a91764f5542d5b1b00d0c67cfb123/FLAG1ad2ad2fd [2019-11-26 17:12:16,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba6af2515/822a91764f5542d5b1b00d0c67cfb123 [2019-11-26 17:12:16,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:16,582 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:16,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:16,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:16,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:16,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:16" (1/1) ... [2019-11-26 17:12:16,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:16, skipping insertion in model container [2019-11-26 17:12:16,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:16" (1/1) ... [2019-11-26 17:12:16,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:16,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:17,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:17,156 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:17,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:17,234 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:17,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17 WrapperNode [2019-11-26 17:12:17,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:17,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:17,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:17,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:17,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:17,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:17,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:17,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:17,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:17" (1/1) ... [2019-11-26 17:12:17,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:17,475 INFO L168 Benchmark]: Toolchain (without parser) took 886.80 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. [2019-11-26 17:12:17,477 INFO L168 Benchmark]: CDTParser took 1.56 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:17,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.62 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. [2019-11-26 17:12:17,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:17,490 INFO L168 Benchmark]: Boogie Preprocessor took 52.09 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. [2019-11-26 17:12:17,502 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 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 654.62 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 171.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.09 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 0.1.24-025d5a2 [2019-11-26 17:12:21,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:21,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:21,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:21,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:21,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:21,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:21,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:21,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:21,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:21,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:21,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:21,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:21,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:21,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:21,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:21,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:21,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:21,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:21,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:21,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:21,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:21,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:21,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:21,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:21,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:21,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:21,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:21,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:21,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:21,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:21,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:21,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:21,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:21,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:21,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:21,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:21,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:21,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:21,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:21,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:21,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:21,579 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:21,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:21,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:21,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:21,586 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:21,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:21,586 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:21,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:21,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:21,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:21,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:21,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:21,591 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:21,592 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:21,592 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:21,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:21,593 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:21,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:21,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:21,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:21,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:21,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:21,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:21,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:21,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:21,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:21,598 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:21,599 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:21,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:21,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:21,603 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 -> f345f307410a5ddbdd0513896d69ca703c67be23 [2019-11-26 17:12:22,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:22,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:22,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:22,255 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:22,255 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:22,257 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2019-11-26 17:12:22,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa60ecc5/664a1fbf13c44e439695704d7550f085/FLAGe4f866d23 [2019-11-26 17:12:23,443 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:23,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2019-11-26 17:12:23,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa60ecc5/664a1fbf13c44e439695704d7550f085/FLAGe4f866d23 [2019-11-26 17:12:23,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa60ecc5/664a1fbf13c44e439695704d7550f085 [2019-11-26 17:12:23,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:23,514 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:23,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:23,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:23,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:23,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287c1f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:23, skipping insertion in model container [2019-11-26 17:12:23,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:23" (1/1) ... [2019-11-26 17:12:23,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:23,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:24,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:24,084 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:24,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:24,153 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:24,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24 WrapperNode [2019-11-26 17:12:24,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:24,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:24,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:24,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:24,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:24,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:24,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:24,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:24,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:24,370 INFO L168 Benchmark]: Toolchain (without parser) took 839.22 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:24,372 INFO L168 Benchmark]: CDTParser took 2.78 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:24,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.98 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. [2019-11-26 17:12:24,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.12 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:24,380 INFO L168 Benchmark]: Boogie Preprocessor took 38.30 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:24,393 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.78 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 638.98 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 146.12 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 38.30 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...