./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/floats-cbmc-regression/float20.i -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 0141f30eebc41972a05a5b9a00ccec3818dc94e8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/floats-cbmc-regression/float20.i -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 0141f30eebc41972a05a5b9a00ccec3818dc94e8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:44:48,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:48,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:48,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:48,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:48,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:48,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:48,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:48,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:48,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:48,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:48,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:48,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:48,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:48,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:48,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:48,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:48,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:48,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:48,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:48,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:48,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:48,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:48,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:48,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:48,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:48,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:48,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:48,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:48,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:48,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:48,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:48,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:48,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:48,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:48,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:48,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:48,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:48,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:48,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:48,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:48,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:44:48,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:48,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:48,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:48,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:48,481 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:48,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:48,483 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:48,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:44:48,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:48,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:48,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:48,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:48,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:48,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:48,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:48,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:48,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:48,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:48,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:48,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:48,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:48,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:48,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:48,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:48,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:48,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:44:48,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:44:48,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:48,506 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 -> 0141f30eebc41972a05a5b9a00ccec3818dc94e8 [2019-11-27 09:44:49,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:49,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:49,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:49,048 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:49,049 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:49,051 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float20.i [2019-11-27 09:44:49,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29adc8327/cf475ea49f8c4221a95a7ebfa68f5c3a/FLAG5fbe5f882 [2019-11-27 09:44:50,218 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:50,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float20.i [2019-11-27 09:44:50,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29adc8327/cf475ea49f8c4221a95a7ebfa68f5c3a/FLAG5fbe5f882 [2019-11-27 09:44:50,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29adc8327/cf475ea49f8c4221a95a7ebfa68f5c3a [2019-11-27 09:44:50,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:50,497 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:50,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:50,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:50,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:50,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:50,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d4db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:50, skipping insertion in model container [2019-11-27 09:44:50,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:50" (1/1) ... [2019-11-27 09:44:50,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:50,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:51,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:51,050 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:51,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:51,125 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:51,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:51 WrapperNode [2019-11-27 09:44:51,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:51,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:51,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:51,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:51,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:51" (1/1) ... [2019-11-27 09:44:51,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:51" (1/1) ... [2019-11-27 09:44:51,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:51,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:51,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:51,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:51,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:51" (1/1) ... [2019-11-27 09:44:51,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:51" (1/1) ... [2019-11-27 09:44:51,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:51" (1/1) ... [2019-11-27 09:44:51,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:51" (1/1) ... [2019-11-27 09:44:51,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:51" (1/1) ... [2019-11-27 09:44:51,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:51" (1/1) ... [2019-11-27 09:44:51,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:51" (1/1) ... [2019-11-27 09:44:51,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:51,315 INFO L168 Benchmark]: Toolchain (without parser) took 813.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:51,329 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-27 09:44:51,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.20 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:51,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:51,339 INFO L168 Benchmark]: Boogie Preprocessor took 48.60 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. [2019-11-27 09:44:51,349 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 618.20 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 131.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.60 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:44:55,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:55,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:55,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:55,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:55,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:55,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:55,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:55,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:55,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:55,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:55,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:55,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:55,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:55,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:55,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:55,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:55,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:55,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:55,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:55,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:55,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:55,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:55,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:55,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:55,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:55,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:55,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:55,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:55,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:55,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:55,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:55,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:55,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:55,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:55,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:55,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:55,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:55,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:55,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:55,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:55,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:44:55,298 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:55,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:55,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:55,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:55,303 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:55,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:55,305 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:55,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:55,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:55,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:55,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:55,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:55,307 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:44:55,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:44:55,310 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:55,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:55,310 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:55,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:55,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:55,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:55,311 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:55,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:55,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:55,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:55,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:55,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:55,312 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:44:55,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:44:55,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:55,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:44:55,316 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 -> 0141f30eebc41972a05a5b9a00ccec3818dc94e8 [2019-11-27 09:44:55,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:55,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:55,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:55,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:55,888 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:55,890 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float20.i [2019-11-27 09:44:56,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac5c8805/9ec76aa6c7a345379e5f088d948f7e03/FLAG3d5b69459 [2019-11-27 09:44:57,087 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:57,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float20.i [2019-11-27 09:44:57,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac5c8805/9ec76aa6c7a345379e5f088d948f7e03/FLAG3d5b69459 [2019-11-27 09:44:57,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac5c8805/9ec76aa6c7a345379e5f088d948f7e03 [2019-11-27 09:44:57,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:57,163 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:57,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:57,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:57,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:57,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:57,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b170820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57, skipping insertion in model container [2019-11-27 09:44:57,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:57,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:57,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:57,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:57,772 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:57,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:57,973 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:57,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57 WrapperNode [2019-11-27 09:44:57,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:57,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:57,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:57,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:57,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:58,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:58,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:58,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:58,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:57" (1/1) ... [2019-11-27 09:44:58,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:58,115 INFO L168 Benchmark]: Toolchain (without parser) took 949.67 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:58,118 INFO L168 Benchmark]: CDTParser took 3.09 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. [2019-11-27 09:44:58,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.36 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:58,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.91 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. [2019-11-27 09:44:58,130 INFO L168 Benchmark]: Boogie Preprocessor took 66.06 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:58,136 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.09 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 805.36 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 68.91 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. * Boogie Preprocessor took 66.06 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...