./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/divmul_buf_diverge.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/float-benchs/divmul_buf_diverge.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 344a43df2dda14789283095b734f03e7a95c43e5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:17:53,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:17:53,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:17:53,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:17:53,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:17:53,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:17:53,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:17:53,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:17:53,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:17:53,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:17:53,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:17:53,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:17:53,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:17:53,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:17:53,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:17:53,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:17:53,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:17:53,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:17:53,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:17:53,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:17:53,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:17:53,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:17:53,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:17:53,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:17:53,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:17:53,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:17:53,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:17:53,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:17:53,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:17:53,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:17:53,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:17:53,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:17:53,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:17:53,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:17:53,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:17:53,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:17:53,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:17:53,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:17:53,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:17:53,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:17:53,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:17:53,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:17:53,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:17:53,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:17:53,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:17:53,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:17:53,566 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:17:53,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:17:53,567 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:17:53,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:17:53,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:17:53,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:17:53,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:17:53,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:17:53,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:17:53,574 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:17:53,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:17:53,575 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:17:53,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:17:53,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:17:53,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:17:53,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:17:53,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:17:53,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:17:53,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:17:53,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:17:53,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:17:53,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:17:53,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:17:53,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:17:53,583 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 -> 344a43df2dda14789283095b734f03e7a95c43e5 [2019-11-16 21:17:54,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:17:54,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:17:54,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:17:54,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:17:54,276 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:17:54,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/divmul_buf_diverge.c [2019-11-16 21:17:54,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a7ec914/a076fceab5f046c99d228255a15e7dad/FLAGd363b0cc4 [2019-11-16 21:17:55,492 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:17:55,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/divmul_buf_diverge.c [2019-11-16 21:17:55,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a7ec914/a076fceab5f046c99d228255a15e7dad/FLAGd363b0cc4 [2019-11-16 21:17:55,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a7ec914/a076fceab5f046c99d228255a15e7dad [2019-11-16 21:17:55,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:17:55,566 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:17:55,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:55,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:17:55,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:17:55,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aeb8ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:55, skipping insertion in model container [2019-11-16 21:17:55,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:55" (1/1) ... [2019-11-16 21:17:55,611 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:17:55,652 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:17:56,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:17:56,122 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:17:56,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:17:56,164 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:17:56,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56 WrapperNode [2019-11-16 21:17:56,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:56,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:17:56,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:17:56,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:17:56,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:56,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:56,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:17:56,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:17:56,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:17:56,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:17:56,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:56,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:56,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:56,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:56,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:56,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:56,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:56" (1/1) ... [2019-11-16 21:17:56,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:17:56,375 INFO L168 Benchmark]: Toolchain (without parser) took 792.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:17:56,377 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-16 21:17:56,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.53 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:56,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:56,386 INFO L168 Benchmark]: Boogie Preprocessor took 55.34 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:56,399 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 598.53 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.34 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...