./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/bitvector/soft_float_4-2.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39cb4cd76df2e8797d57bb810d33273c2686a46c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 18:01:45,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 18:01:45,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 18:01:45,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 18:01:45,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 18:01:45,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 18:01:45,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 18:01:45,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 18:01:45,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 18:01:45,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 18:01:45,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 18:01:45,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 18:01:45,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 18:01:45,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 18:01:45,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 18:01:45,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 18:01:45,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 18:01:45,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 18:01:45,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 18:01:45,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 18:01:45,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 18:01:45,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 18:01:45,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 18:01:45,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 18:01:45,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 18:01:45,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 18:01:45,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 18:01:45,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 18:01:45,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 18:01:45,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 18:01:45,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 18:01:45,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 18:01:45,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 18:01:45,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 18:01:45,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 18:01:45,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 18:01:45,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 18:01:45,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 18:01:45,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 18:01:45,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 18:01:45,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 18:01:45,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-26 18:01:45,447 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 18:01:45,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 18:01:45,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 18:01:45,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 18:01:45,460 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 18:01:45,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 18:01:45,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 18:01:45,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 18:01:45,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 18:01:45,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 18:01:45,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 18:01:45,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 18:01:45,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 18:01:45,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 18:01:45,466 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 18:01:45,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 18:01:45,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 18:01:45,468 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 18:01:45,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 18:01:45,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 18:01:45,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 18:01:45,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 18:01:45,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 18:01:45,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 18:01:45,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 18:01:45,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 18:01:45,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 18:01:45,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 18:01:45,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 18:01:45,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 18:01:45,476 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 ! overflow) ) 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 -> 39cb4cd76df2e8797d57bb810d33273c2686a46c [2019-11-26 18:01:46,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 18:01:46,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 18:01:46,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 18:01:46,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 18:01:46,096 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 18:01:46,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2019-11-26 18:01:46,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f142b8008/ee5415f68bfa42d0858462350aec681e/FLAG46cc56f33 [2019-11-26 18:01:47,305 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 18:01:47,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2019-11-26 18:01:47,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f142b8008/ee5415f68bfa42d0858462350aec681e/FLAG46cc56f33 [2019-11-26 18:01:47,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f142b8008/ee5415f68bfa42d0858462350aec681e [2019-11-26 18:01:47,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 18:01:47,424 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 18:01:47,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 18:01:47,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 18:01:47,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 18:01:47,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 06:01:47" (1/1) ... [2019-11-26 18:01:47,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:47, skipping insertion in model container [2019-11-26 18:01:47,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 06:01:47" (1/1) ... [2019-11-26 18:01:47,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 18:01:47,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 18:01:48,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 18:01:48,136 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 18:01:48,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 18:01:48,370 INFO L208 MainTranslator]: Completed translation [2019-11-26 18:01:48,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:48 WrapperNode [2019-11-26 18:01:48,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 18:01:48,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 18:01:48,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 18:01:48,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 18:01:48,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:48" (1/1) ... [2019-11-26 18:01:48,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:48" (1/1) ... [2019-11-26 18:01:48,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 18:01:48,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 18:01:48,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 18:01:48,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 18:01:48,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:48" (1/1) ... [2019-11-26 18:01:48,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:48" (1/1) ... [2019-11-26 18:01:48,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:48" (1/1) ... [2019-11-26 18:01:48,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:48" (1/1) ... [2019-11-26 18:01:48,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:48" (1/1) ... [2019-11-26 18:01:48,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:48" (1/1) ... [2019-11-26 18:01:48,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:01:48" (1/1) ... [2019-11-26 18:01:48,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 18:01:48,700 INFO L168 Benchmark]: Toolchain (without parser) took 1271.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.9 MB in the end (delta: -14.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 18:01:48,705 INFO L168 Benchmark]: CDTParser took 2.90 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. [2019-11-26 18:01:48,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 952.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 991.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 18:01:48,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.46 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 18:01:48,716 INFO L168 Benchmark]: Boogie Preprocessor took 135.72 ms. Allocated memory is still 1.0 GB. Free memory was 985.6 MB in the beginning and 979.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 18:01:48,730 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.90 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 952.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 991.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 168.46 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 135.72 ms. Allocated memory is still 1.0 GB. Free memory was 985.6 MB in the beginning and 979.9 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...