./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_0250b.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 4dddb731074a9a249891d6adbc7c778d25efe28d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0250b.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 4dddb731074a9a249891d6adbc7c778d25efe28d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:52:06,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:06,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:06,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:06,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:06,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:06,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:06,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:06,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:06,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:06,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:06,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:06,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:06,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:06,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:06,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:06,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:06,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:06,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:06,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:06,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:06,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:06,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:06,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:06,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:06,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:06,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:06,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:06,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:06,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:06,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:06,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:06,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:06,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:06,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:06,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:06,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:06,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:06,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:06,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:06,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:06,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:52:06,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:06,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:06,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:06,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:06,295 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:06,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:06,298 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:06,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:52:06,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:06,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:06,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:06,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:06,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:06,303 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:06,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:06,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:06,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:06,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:06,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:06,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:06,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:06,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:06,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:06,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:06,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:06,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:52:06,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:52:06,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:06,312 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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2019-11-25 22:52:06,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:06,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:06,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:06,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:06,949 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:06,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-25 22:52:07,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cd83a05/db7be22f6cd74cbf91e2a332b2102abb/FLAG025f9b28f [2019-11-25 22:52:08,223 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:08,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-25 22:52:08,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cd83a05/db7be22f6cd74cbf91e2a332b2102abb/FLAG025f9b28f [2019-11-25 22:52:08,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cd83a05/db7be22f6cd74cbf91e2a332b2102abb [2019-11-25 22:52:08,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:08,298 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:08,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:08,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:08,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:08,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7cbcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08, skipping insertion in model container [2019-11-25 22:52:08,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:08,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:09,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:09,111 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:09,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:09,344 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:09,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:09 WrapperNode [2019-11-25 22:52:09,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:09,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:09,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:09,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:09,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:09" (1/1) ... [2019-11-25 22:52:09,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:09" (1/1) ... [2019-11-25 22:52:09,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:09,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:09,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:09,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:09,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:09" (1/1) ... [2019-11-25 22:52:09,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:09" (1/1) ... [2019-11-25 22:52:09,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:09" (1/1) ... [2019-11-25 22:52:09,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:09" (1/1) ... [2019-11-25 22:52:09,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:09" (1/1) ... [2019-11-25 22:52:09,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:09" (1/1) ... [2019-11-25 22:52:09,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:09" (1/1) ... [2019-11-25 22:52:09,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:09,627 INFO L168 Benchmark]: Toolchain (without parser) took 1324.07 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 985.7 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:09,641 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-25 22:52:09,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1043.98 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 985.7 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:09,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.85 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:09,649 INFO L168 Benchmark]: Boogie Preprocessor took 123.98 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:09,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1043.98 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 985.7 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 147.85 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 123.98 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:52:13,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:13,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:13,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:13,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:13,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:13,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:13,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:13,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:13,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:13,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:13,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:13,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:13,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:13,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:13,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:13,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:13,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:13,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:13,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:13,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:13,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:13,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:13,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:13,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:13,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:13,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:13,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:13,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:13,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:13,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:13,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:13,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:13,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:13,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:13,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:13,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:13,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:13,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:13,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:13,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:13,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:52:13,811 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:13,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:13,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:13,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:13,821 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:13,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:13,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:13,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:13,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:13,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:13,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:13,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:13,828 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:52:13,829 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:52:13,829 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:13,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:13,830 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:13,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:13,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:13,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:13,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:13,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:13,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:13,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:13,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:13,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:13,836 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:52:13,838 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:52:13,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:13,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:52:13,840 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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2019-11-25 22:52:14,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:14,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:14,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:14,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:14,484 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:14,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-25 22:52:14,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4441ea2d7/f00b6fd407e748e6bb65a87715e4cb0c/FLAG2ccfd0c31 [2019-11-25 22:52:15,807 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:15,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-25 22:52:15,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4441ea2d7/f00b6fd407e748e6bb65a87715e4cb0c/FLAG2ccfd0c31 [2019-11-25 22:52:15,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4441ea2d7/f00b6fd407e748e6bb65a87715e4cb0c [2019-11-25 22:52:15,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:15,884 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:15,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:15,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:15,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:15,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:15,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f35d551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15, skipping insertion in model container [2019-11-25 22:52:15,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:15,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:16,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:16,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:16,750 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:16,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:17,047 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:17,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:17 WrapperNode [2019-11-25 22:52:17,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:17,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:17,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:17,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:17,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:17" (1/1) ... [2019-11-25 22:52:17,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:17" (1/1) ... [2019-11-25 22:52:17,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:17,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:17,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:17,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:17,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:17" (1/1) ... [2019-11-25 22:52:17,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:17" (1/1) ... [2019-11-25 22:52:17,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:17" (1/1) ... [2019-11-25 22:52:17,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:17" (1/1) ... [2019-11-25 22:52:17,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:17" (1/1) ... [2019-11-25 22:52:17,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:17" (1/1) ... [2019-11-25 22:52:17,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:17" (1/1) ... [2019-11-25 22:52:17,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:17,341 INFO L168 Benchmark]: Toolchain (without parser) took 1452.82 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 978.3 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:17,344 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-25 22:52:17,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1161.98 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 984.0 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:17,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.89 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:17,351 INFO L168 Benchmark]: Boogie Preprocessor took 118.45 ms. Allocated memory is still 1.0 GB. Free memory was 984.0 MB in the beginning and 978.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:17,358 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1161.98 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 984.0 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 163.89 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 118.45 ms. Allocated memory is still 1.0 GB. Free memory was 984.0 MB in the beginning and 978.3 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...