./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/trex03-1.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/loops/trex03-1.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 6afe57eec1ae7b7a346bea173d21fd3ac6dfbe03 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:21:11,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:21:11,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:21:11,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:21:11,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:21:11,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:21:11,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:21:11,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:21:11,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:21:11,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:21:11,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:21:11,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:21:11,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:21:11,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:21:11,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:21:11,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:21:11,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:21:11,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:21:11,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:21:11,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:21:11,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:21:11,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:21:11,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:21:11,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:21:11,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:21:11,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:21:11,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:21:11,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:21:11,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:21:11,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:21:11,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:21:11,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:21:11,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:21:11,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:21:11,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:21:11,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:21:11,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:21:11,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:21:11,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:21:11,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:21:11,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:21:11,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:21:11,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:21:11,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:21:11,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:21:11,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:21:11,653 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:21:11,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:21:11,656 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:21:11,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:21:11,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:21:11,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:21:11,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:21:11,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:21:11,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:21:11,662 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:21:11,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:21:11,663 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:21:11,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:21:11,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:21:11,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:21:11,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:21:11,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:21:11,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:21:11,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:21:11,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:21:11,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:21:11,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:21:11,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:21:11,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:21:11,669 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 -> 6afe57eec1ae7b7a346bea173d21fd3ac6dfbe03 [2019-11-16 21:21:12,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:21:12,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:21:12,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:21:12,260 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:21:12,262 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:21:12,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex03-1.c [2019-11-16 21:21:12,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5cffad34/936f33fc9b9f4adb852802067013b895/FLAGd9b4ae6ab [2019-11-16 21:21:13,441 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:21:13,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex03-1.c [2019-11-16 21:21:13,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5cffad34/936f33fc9b9f4adb852802067013b895/FLAGd9b4ae6ab [2019-11-16 21:21:13,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5cffad34/936f33fc9b9f4adb852802067013b895 [2019-11-16 21:21:13,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:21:13,723 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:21:13,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:21:13,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:21:13,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:21:13,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:21:13" (1/1) ... [2019-11-16 21:21:13,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26838d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:13, skipping insertion in model container [2019-11-16 21:21:13,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:21:13" (1/1) ... [2019-11-16 21:21:13,768 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:21:13,809 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:21:14,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:21:14,166 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:21:14,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:21:14,215 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:21:14,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:14 WrapperNode [2019-11-16 21:21:14,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:21:14,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:21:14,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:21:14,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:21:14,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:14" (1/1) ... [2019-11-16 21:21:14,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:14" (1/1) ... [2019-11-16 21:21:14,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:21:14,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:21:14,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:21:14,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:21:14,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:14" (1/1) ... [2019-11-16 21:21:14,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:14" (1/1) ... [2019-11-16 21:21:14,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:14" (1/1) ... [2019-11-16 21:21:14,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:14" (1/1) ... [2019-11-16 21:21:14,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:14" (1/1) ... [2019-11-16 21:21:14,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:14" (1/1) ... [2019-11-16 21:21:14,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:21:14" (1/1) ... [2019-11-16 21:21:14,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:21:14,463 INFO L168 Benchmark]: Toolchain (without parser) took 722.01 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 991.0 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:21:14,466 INFO L168 Benchmark]: CDTParser took 0.41 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 21:21:14,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.97 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. [2019-11-16 21:21:14,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.95 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. [2019-11-16 21:21:14,475 INFO L168 Benchmark]: Boogie Preprocessor took 56.80 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:21:14,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 495.97 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 152.95 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 56.80 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 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...