./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0921.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_0921.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 86466cf5e99320b887fae6f726f2af775c2eaef8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0921.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 86466cf5e99320b887fae6f726f2af775c2eaef8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:09:36,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:36,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:36,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:36,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:36,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:36,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:36,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:36,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:36,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:36,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:36,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:37,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:37,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:37,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:37,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:37,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:37,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:37,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:37,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:37,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:37,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:37,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:37,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:37,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:37,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:37,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:37,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:37,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:37,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:37,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:37,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:37,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:37,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:37,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:37,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:37,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:37,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:37,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:37,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:37,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:37,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:37,132 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:37,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:37,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:37,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:37,140 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:37,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:37,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:37,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:37,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:37,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:37,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:37,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:37,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:37,147 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:37,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:37,148 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:37,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:37,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:37,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:37,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:37,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:37,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:37,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:37,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:37,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:37,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:37,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:37,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:37,155 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 -> 86466cf5e99320b887fae6f726f2af775c2eaef8 [2019-11-27 16:09:37,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:37,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:37,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:37,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:37,783 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:37,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2019-11-27 16:09:37,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772c6b574/734fdd93b0ac44368efbda07cfeff245/FLAGcaf51d4d4 [2019-11-27 16:09:38,939 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:38,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2019-11-27 16:09:38,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772c6b574/734fdd93b0ac44368efbda07cfeff245/FLAGcaf51d4d4 [2019-11-27 16:09:39,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772c6b574/734fdd93b0ac44368efbda07cfeff245 [2019-11-27 16:09:39,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:39,105 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:39,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:39,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:39,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:39,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:39" (1/1) ... [2019-11-27 16:09:39,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182d43ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:39, skipping insertion in model container [2019-11-27 16:09:39,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:39" (1/1) ... [2019-11-27 16:09:39,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:39,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:39,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:39,767 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:39,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:40,033 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:40,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40 WrapperNode [2019-11-27 16:09:40,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:40,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:40,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:40,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:40,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:40,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:40,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:40,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:40,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:40,315 INFO L168 Benchmark]: Toolchain (without parser) took 1206.56 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:40,318 INFO L168 Benchmark]: CDTParser took 0.33 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 16:09:40,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 933.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:40,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.91 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:40,324 INFO L168 Benchmark]: Boogie Preprocessor took 120.16 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:40,336 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 933.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.91 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.16 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.7 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 16:09:44,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:44,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:44,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:44,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:44,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:44,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:44,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:44,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:44,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:44,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:44,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:44,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:44,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:44,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:44,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:44,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:44,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:44,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:44,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:44,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:44,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:44,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:44,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:44,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:44,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:44,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:44,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:44,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:44,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:44,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:44,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:44,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:44,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:44,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:44,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:44,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:44,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:44,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:44,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:44,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:44,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:44,385 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:44,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:44,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:44,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:44,393 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:44,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:44,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:44,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:44,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:44,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:44,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:44,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:44,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:44,399 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:44,399 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:44,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:44,400 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:44,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:44,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:44,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:44,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:44,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:44,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:44,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:44,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:44,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:44,406 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:44,406 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:44,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:44,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:44,408 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 -> 86466cf5e99320b887fae6f726f2af775c2eaef8 [2019-11-27 16:09:44,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:45,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:45,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:45,025 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:45,026 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:45,027 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2019-11-27 16:09:45,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be8f31fdf/90e964f225374a31a3816cf03aa72b94/FLAGd2f025a15 [2019-11-27 16:09:46,205 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:46,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2019-11-27 16:09:46,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be8f31fdf/90e964f225374a31a3816cf03aa72b94/FLAGd2f025a15 [2019-11-27 16:09:46,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be8f31fdf/90e964f225374a31a3816cf03aa72b94 [2019-11-27 16:09:46,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:46,470 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:46,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:46,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:46,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:46,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:46" (1/1) ... [2019-11-27 16:09:46,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:46, skipping insertion in model container [2019-11-27 16:09:46,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:46" (1/1) ... [2019-11-27 16:09:46,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:46,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:47,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:47,260 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:47,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:47,495 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:47,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47 WrapperNode [2019-11-27 16:09:47,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:47,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:47,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:47,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:47,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:47,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:47,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:47,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:47,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:47,738 INFO L168 Benchmark]: Toolchain (without parser) took 1266.05 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: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:47,739 INFO L168 Benchmark]: CDTParser took 2.39 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 16:09:47,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1026.38 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:47,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.95 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 984.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:47,744 INFO L168 Benchmark]: Boogie Preprocessor took 112.89 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. [2019-11-27 16:09:47,766 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.39 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 1026.38 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 117.95 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 984.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 112.89 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...