./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test27-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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/ldv-regression/test27-2.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 8d15e59fd1b84d7219285b33cc166f567d0bcf3e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:20:14,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:20:14,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:20:14,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:20:14,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:20:14,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:20:14,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:20:14,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:20:14,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:20:14,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:20:14,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:20:14,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:20:14,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:20:14,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:20:14,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:20:14,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:20:14,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:20:14,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:20:14,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:20:14,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:20:14,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:20:14,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:20:14,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:20:14,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:20:14,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:20:14,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:20:14,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:20:14,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:20:14,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:20:14,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:20:14,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:20:14,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:20:14,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:20:14,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:20:14,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:20:14,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:20:14,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:20:14,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:20:14,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:20:14,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:20:14,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:20:14,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:20:14,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:20:14,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:20:14,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:20:14,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:20:14,596 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:20:14,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:20:14,597 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:20:14,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:20:14,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:20:14,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:20:14,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:20:14,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:20:14,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:20:14,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:20:14,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:20:14,603 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:20:14,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:20:14,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:20:14,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:20:14,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:20:14,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:20:14,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:20:14,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:20:14,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:20:14,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:20:14,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:20:14,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:20:14,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:20:14,612 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 -> 8d15e59fd1b84d7219285b33cc166f567d0bcf3e [2019-11-16 21:20:15,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:20:15,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:20:15,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:20:15,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:20:15,256 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:20:15,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-16 21:20:15,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6070c4ca/fcc92f6d9612468bb0c27714273f7e55/FLAG8c8b89d07 [2019-11-16 21:20:16,436 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:20:16,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-16 21:20:16,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6070c4ca/fcc92f6d9612468bb0c27714273f7e55/FLAG8c8b89d07 [2019-11-16 21:20:16,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6070c4ca/fcc92f6d9612468bb0c27714273f7e55 [2019-11-16 21:20:16,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:20:16,502 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:20:16,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:20:16,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:20:16,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:20:16,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3393d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16, skipping insertion in model container [2019-11-16 21:20:16,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,547 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:20:16,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:20:17,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:20:17,124 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:20:17,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:20:17,387 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:20:17,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:17 WrapperNode [2019-11-16 21:20:17,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:20:17,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:20:17,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:20:17,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:20:17,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:17" (1/1) ... [2019-11-16 21:20:17,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:17" (1/1) ... [2019-11-16 21:20:17,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:20:17,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:20:17,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:20:17,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:20:17,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:17" (1/1) ... [2019-11-16 21:20:17,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:17" (1/1) ... [2019-11-16 21:20:17,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:17" (1/1) ... [2019-11-16 21:20:17,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:17" (1/1) ... [2019-11-16 21:20:17,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:17" (1/1) ... [2019-11-16 21:20:17,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:17" (1/1) ... [2019-11-16 21:20:17,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:17" (1/1) ... [2019-11-16 21:20:17,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:20:17,646 INFO L168 Benchmark]: Toolchain (without parser) took 1135.16 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:20:17,648 INFO L168 Benchmark]: CDTParser took 3.59 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. [2019-11-16 21:20:17,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 886.32 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:20:17,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.15 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:20:17,656 INFO L168 Benchmark]: Boogie Preprocessor took 99.76 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:20:17,669 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.59 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 886.32 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 140.15 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 99.76 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...