./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0663b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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_0663b.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 0a5ec6ad8203ffff99aa77e8a3cab411b87a737e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0663b.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 0a5ec6ad8203ffff99aa77e8a3cab411b87a737e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:09:14,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:14,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:14,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:14,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:14,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:14,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:14,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:14,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:14,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:14,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:14,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:14,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:14,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:14,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:14,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:14,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:14,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:14,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:14,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:14,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:14,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:14,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:14,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:14,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:14,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:14,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:14,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:14,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:14,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:14,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:14,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:14,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:14,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:14,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:14,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:14,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:14,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:14,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:14,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:14,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:14,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:14,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:14,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:14,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:14,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:14,266 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:14,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:14,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:14,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:14,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:14,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:14,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:14,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:14,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:14,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:14,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:14,275 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:14,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:14,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:14,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:14,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:14,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:14,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:14,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:14,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:14,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:14,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:14,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:14,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:14,284 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 -> 0a5ec6ad8203ffff99aa77e8a3cab411b87a737e [2019-11-27 16:09:14,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:14,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:14,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:14,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:14,864 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:14,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0663b.c [2019-11-27 16:09:14,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93fb00b8/3f80af1af9d244dfb3157af916e20a7e/FLAG176fd0260 [2019-11-27 16:09:16,053 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:16,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0663b.c [2019-11-27 16:09:16,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93fb00b8/3f80af1af9d244dfb3157af916e20a7e/FLAG176fd0260 [2019-11-27 16:09:16,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93fb00b8/3f80af1af9d244dfb3157af916e20a7e [2019-11-27 16:09:16,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:16,260 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:16,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:16,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:16,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:16,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:16" (1/1) ... [2019-11-27 16:09:16,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1aada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:16, skipping insertion in model container [2019-11-27 16:09:16,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:16" (1/1) ... [2019-11-27 16:09:16,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:16,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:17,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:17,039 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:17,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:17,215 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:17,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:17 WrapperNode [2019-11-27 16:09:17,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:17,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:17,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:17,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:17,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:17" (1/1) ... [2019-11-27 16:09:17,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:17" (1/1) ... [2019-11-27 16:09:17,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:17,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:17,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:17,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:17,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:17" (1/1) ... [2019-11-27 16:09:17,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:17" (1/1) ... [2019-11-27 16:09:17,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:17" (1/1) ... [2019-11-27 16:09:17,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:17" (1/1) ... [2019-11-27 16:09:17,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:17" (1/1) ... [2019-11-27 16:09:17,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:17" (1/1) ... [2019-11-27 16:09:17,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:17" (1/1) ... [2019-11-27 16:09:17,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:17,624 INFO L168 Benchmark]: Toolchain (without parser) took 1361.16 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 978.5 MB in the end (delta: -16.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:17,627 INFO L168 Benchmark]: CDTParser took 0.26 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 16:09:17,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 956.18 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 985.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:17,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.81 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 984.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:17,635 INFO L168 Benchmark]: Boogie Preprocessor took 199.71 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:17,649 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 956.18 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 985.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 189.81 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 984.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 199.71 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 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 0.1.24-509859d [2019-11-27 16:09:21,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:21,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:21,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:21,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:21,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:21,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:21,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:21,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:21,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:21,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:21,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:21,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:21,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:21,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:21,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:21,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:21,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:21,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:21,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:21,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:21,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:21,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:21,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:21,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:21,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:21,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:21,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:21,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:21,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:21,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:21,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:21,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:21,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:21,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:21,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:21,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:21,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:21,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:21,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:21,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:21,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:21,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:21,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:21,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:21,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:21,885 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:21,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:21,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:21,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:21,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:21,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:21,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:21,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:21,891 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:21,892 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:21,892 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:21,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:21,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:21,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:21,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:21,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:21,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:21,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:21,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:21,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:21,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:21,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:21,900 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:21,900 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:21,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:21,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:21,902 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 -> 0a5ec6ad8203ffff99aa77e8a3cab411b87a737e [2019-11-27 16:09:22,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:22,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:22,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:22,518 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:22,521 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:22,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0663b.c [2019-11-27 16:09:22,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8947b6b75/8372bb3fdc3443be8b00d25861d0a203/FLAG622c0c53f [2019-11-27 16:09:23,759 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:23,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0663b.c [2019-11-27 16:09:23,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8947b6b75/8372bb3fdc3443be8b00d25861d0a203/FLAG622c0c53f [2019-11-27 16:09:23,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8947b6b75/8372bb3fdc3443be8b00d25861d0a203 [2019-11-27 16:09:23,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:23,837 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:23,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:23,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:23,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:23,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39391bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:23, skipping insertion in model container [2019-11-27 16:09:23,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:23" (1/1) ... [2019-11-27 16:09:23,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:23,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:24,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:24,651 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:24,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:24,935 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:24,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:24 WrapperNode [2019-11-27 16:09:24,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:24,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:24,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:24,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:24,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:24" (1/1) ... [2019-11-27 16:09:24,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:24" (1/1) ... [2019-11-27 16:09:25,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:25,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:25,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:25,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:25,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:24" (1/1) ... [2019-11-27 16:09:25,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:24" (1/1) ... [2019-11-27 16:09:25,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:24" (1/1) ... [2019-11-27 16:09:25,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:24" (1/1) ... [2019-11-27 16:09:25,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:24" (1/1) ... [2019-11-27 16:09:25,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:24" (1/1) ... [2019-11-27 16:09:25,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:24" (1/1) ... [2019-11-27 16:09:25,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:25,341 INFO L168 Benchmark]: Toolchain (without parser) took 1497.83 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:25,343 INFO L168 Benchmark]: CDTParser took 3.04 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 16:09:25,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1090.23 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). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:25,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.63 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:25,350 INFO L168 Benchmark]: Boogie Preprocessor took 225.07 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:25,362 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.04 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 1090.23 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). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 167.63 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 225.07 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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...