./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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-newlib/float_req_bl_0920b.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 df7585bdb7f55dd146660d2fca5142563fdf3df8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float-newlib/float_req_bl_0920b.c -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 df7585bdb7f55dd146660d2fca5142563fdf3df8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:06:31,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:06:31,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:06:31,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:06:31,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:06:31,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:06:31,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:06:31,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:06:31,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:06:31,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:06:31,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:06:31,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:06:31,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:06:31,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:06:31,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:06:31,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:06:31,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:06:31,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:06:31,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:06:31,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:06:31,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:06:31,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:06:31,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:06:31,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:06:31,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:06:31,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:06:31,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:06:31,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:06:31,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:06:31,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:06:31,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:06:31,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:06:31,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:06:31,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:06:31,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:06:31,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:06:31,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:06:31,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:06:31,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:06:31,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:06:31,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:06:31,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:06:31,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:06:31,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:06:31,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:06:31,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:06:31,254 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:06:31,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:06:31,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:06:31,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:06:31,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:06:31,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:06:31,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:06:31,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:06:31,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:06:31,261 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:06:31,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:06:31,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:06:31,264 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:06:31,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:06:31,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:06:31,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:06:31,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:06:31,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:06:31,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:06:31,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:06:31,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:06:31,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:06:31,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:06:31,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:06:31,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:06:31,273 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 -> df7585bdb7f55dd146660d2fca5142563fdf3df8 [2019-11-24 21:06:31,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:06:31,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:06:31,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:06:31,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:06:31,981 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:06:31,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2019-11-24 21:06:32,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef87e4e7a/21d55eb0894343a9baeeef0b93e9a6eb/FLAG75a8653e8 [2019-11-24 21:06:33,258 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:06:33,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2019-11-24 21:06:33,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef87e4e7a/21d55eb0894343a9baeeef0b93e9a6eb/FLAG75a8653e8 [2019-11-24 21:06:33,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef87e4e7a/21d55eb0894343a9baeeef0b93e9a6eb [2019-11-24 21:06:33,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:06:33,331 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:06:33,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:06:33,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:06:33,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:06:33,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:06:33" (1/1) ... [2019-11-24 21:06:33,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:33, skipping insertion in model container [2019-11-24 21:06:33,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:06:33" (1/1) ... [2019-11-24 21:06:33,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:06:33,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:06:33,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:06:33,995 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:06:34,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:06:34,301 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:06:34,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:34 WrapperNode [2019-11-24 21:06:34,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:06:34,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:06:34,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:06:34,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:06:34,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:34" (1/1) ... [2019-11-24 21:06:34,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:34" (1/1) ... [2019-11-24 21:06:34,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:06:34,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:06:34,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:06:34,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:06:34,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:34" (1/1) ... [2019-11-24 21:06:34,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:34" (1/1) ... [2019-11-24 21:06:34,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:34" (1/1) ... [2019-11-24 21:06:34,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:34" (1/1) ... [2019-11-24 21:06:34,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:34" (1/1) ... [2019-11-24 21:06:34,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:34" (1/1) ... [2019-11-24 21:06:34,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:34" (1/1) ... [2019-11-24 21:06:34,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:06:34,555 INFO L168 Benchmark]: Toolchain (without parser) took 1208.76 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 984.1 MB in the end (delta: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:06:34,557 INFO L168 Benchmark]: CDTParser took 0.84 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. [2019-11-24 21:06:34,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 964.25 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:06:34,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.43 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:06:34,568 INFO L168 Benchmark]: Boogie Preprocessor took 87.22 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:06:34,579 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 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 964.25 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.43 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.22 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.1 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 0.1.24-32f2683 [2019-11-24 21:06:38,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:06:38,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:06:38,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:06:38,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:06:38,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:06:38,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:06:38,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:06:38,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:06:38,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:06:38,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:06:38,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:06:38,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:06:38,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:06:38,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:06:38,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:06:38,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:06:38,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:06:38,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:06:38,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:06:38,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:06:38,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:06:38,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:06:38,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:06:38,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:06:38,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:06:38,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:06:38,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:06:38,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:06:38,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:06:38,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:06:38,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:06:38,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:06:38,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:06:38,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:06:38,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:06:38,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:06:38,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:06:38,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:06:38,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:06:38,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:06:38,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:06:38,839 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:06:38,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:06:38,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:06:38,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:06:38,846 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:06:38,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:06:38,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:06:38,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:06:38,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:06:38,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:06:38,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:06:38,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:06:38,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:06:38,853 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:06:38,854 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:06:38,854 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:06:38,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:06:38,854 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:06:38,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:06:38,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:06:38,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:06:38,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:06:38,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:06:38,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:06:38,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:06:38,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:06:38,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:06:38,861 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:06:38,862 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:06:38,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:06:38,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:06:38,866 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 -> df7585bdb7f55dd146660d2fca5142563fdf3df8 [2019-11-24 21:06:39,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:06:39,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:06:39,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:06:39,470 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:06:39,474 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:06:39,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2019-11-24 21:06:39,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9d43df8/da3f6de7740647ddaf28de0b4848dac3/FLAGe5f5526bc [2019-11-24 21:06:40,731 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:06:40,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2019-11-24 21:06:40,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9d43df8/da3f6de7740647ddaf28de0b4848dac3/FLAGe5f5526bc [2019-11-24 21:06:40,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9d43df8/da3f6de7740647ddaf28de0b4848dac3 [2019-11-24 21:06:40,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:06:40,809 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:06:40,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:06:40,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:06:40,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:06:40,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:06:40" (1/1) ... [2019-11-24 21:06:40,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:40, skipping insertion in model container [2019-11-24 21:06:40,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:06:40" (1/1) ... [2019-11-24 21:06:40,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:06:40,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:06:41,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:06:41,668 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:06:41,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:06:41,918 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:06:41,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:41 WrapperNode [2019-11-24 21:06:41,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:06:41,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:06:41,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:06:41,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:06:41,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:41" (1/1) ... [2019-11-24 21:06:42,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:41" (1/1) ... [2019-11-24 21:06:42,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:06:42,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:06:42,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:06:42,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:06:42,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:41" (1/1) ... [2019-11-24 21:06:42,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:41" (1/1) ... [2019-11-24 21:06:42,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:41" (1/1) ... [2019-11-24 21:06:42,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:41" (1/1) ... [2019-11-24 21:06:42,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:41" (1/1) ... [2019-11-24 21:06:42,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:41" (1/1) ... [2019-11-24 21:06:42,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:06:41" (1/1) ... [2019-11-24 21:06:42,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:06:42,207 INFO L168 Benchmark]: Toolchain (without parser) took 1397.76 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 984.2 MB in the end (delta: -22.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:06:42,216 INFO L168 Benchmark]: CDTParser took 2.90 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. [2019-11-24 21:06:42,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1111.96 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 990.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:06:42,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.94 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:06:42,224 INFO L168 Benchmark]: Boogie Preprocessor took 138.44 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:06:42,234 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1111.96 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 990.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 136.94 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 138.44 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 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...