./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0970b.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 43a504f2a78cd97f2f59239768b095c018a8cdcb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0970b.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 43a504f2a78cd97f2f59239768b095c018a8cdcb .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:47:49,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:49,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:50,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:50,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:50,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:50,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:50,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:50,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:50,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:50,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:50,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:50,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:50,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:50,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:50,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:50,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:50,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:50,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:50,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:50,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:50,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:50,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:50,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:50,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:50,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:50,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:50,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:50,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:50,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:50,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:50,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:50,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:50,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:50,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:50,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:50,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:50,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:50,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:50,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:50,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:50,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:47:50,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:50,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:50,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:50,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:50,235 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:50,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:50,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:50,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:47:50,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:50,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:50,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:50,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:50,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:50,241 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:50,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:50,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:50,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:50,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:50,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:50,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:50,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:50,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:50,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:50,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:50,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:50,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:47:50,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:47:50,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:50,252 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 -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2019-11-27 09:47:50,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:50,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:50,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:50,829 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:50,829 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:50,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-11-27 09:47:51,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c75acf44/8502ea54868d49998f756134354bed25/FLAGedfcc102e [2019-11-27 09:47:52,070 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:52,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-11-27 09:47:52,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c75acf44/8502ea54868d49998f756134354bed25/FLAGedfcc102e [2019-11-27 09:47:52,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c75acf44/8502ea54868d49998f756134354bed25 [2019-11-27 09:47:52,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:52,148 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:52,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:52,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:52,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:52,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60311b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:52, skipping insertion in model container [2019-11-27 09:47:52,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:52" (1/1) ... [2019-11-27 09:47:52,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:52,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:52,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:52,861 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:53,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:53,147 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:53,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:53 WrapperNode [2019-11-27 09:47:53,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:53,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:53,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:53,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:53,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:53" (1/1) ... [2019-11-27 09:47:53,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:53" (1/1) ... [2019-11-27 09:47:53,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:53,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:47:53,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:47:53,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:47:53,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:53" (1/1) ... [2019-11-27 09:47:53,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:53" (1/1) ... [2019-11-27 09:47:53,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:53" (1/1) ... [2019-11-27 09:47:53,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:53" (1/1) ... [2019-11-27 09:47:53,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:53" (1/1) ... [2019-11-27 09:47:53,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:53" (1/1) ... [2019-11-27 09:47:53,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:53" (1/1) ... [2019-11-27 09:47:53,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:47:53,454 INFO L168 Benchmark]: Toolchain (without parser) took 1296.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:53,455 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:53,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1005.20 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:53,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.78 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:53,465 INFO L168 Benchmark]: Boogie Preprocessor took 130.93 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:53,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 1005.20 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 145.78 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 130.93 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:47:57,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:57,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:57,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:57,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:57,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:57,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:57,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:57,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:57,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:57,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:57,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:57,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:57,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:57,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:57,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:57,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:57,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:57,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:57,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:57,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:57,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:57,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:57,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:57,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:57,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:57,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:57,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:57,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:57,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:57,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:57,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:57,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:57,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:57,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:57,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:57,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:57,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:57,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:57,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:57,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:57,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:47:57,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:57,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:57,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:57,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:57,651 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:57,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:57,652 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:57,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:57,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:57,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:57,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:57,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:57,658 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:47:57,659 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:47:57,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:57,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:57,660 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:57,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:57,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:57,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:57,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:57,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:57,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:57,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:57,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:57,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:57,666 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:47:57,666 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:47:57,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:57,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:47:57,670 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 -> 43a504f2a78cd97f2f59239768b095c018a8cdcb [2019-11-27 09:47:58,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:58,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:58,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:58,341 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:58,341 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:58,343 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-11-27 09:47:58,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded786f37/d4b7818a90fb4daca269d8472ad6c599/FLAG4d087f23e [2019-11-27 09:47:59,560 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:59,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2019-11-27 09:47:59,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded786f37/d4b7818a90fb4daca269d8472ad6c599/FLAG4d087f23e [2019-11-27 09:47:59,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded786f37/d4b7818a90fb4daca269d8472ad6c599 [2019-11-27 09:47:59,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:59,635 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:59,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:59,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:59,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:59,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:47:59,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:59, skipping insertion in model container [2019-11-27 09:47:59,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:59" (1/1) ... [2019-11-27 09:47:59,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:59,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:00,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:00,474 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:00,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:00,716 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:00,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:00 WrapperNode [2019-11-27 09:48:00,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:00,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:00,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:00,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:00,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:00" (1/1) ... [2019-11-27 09:48:00,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:00" (1/1) ... [2019-11-27 09:48:00,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:00,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:00,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:00,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:00,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:00" (1/1) ... [2019-11-27 09:48:00,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:00" (1/1) ... [2019-11-27 09:48:00,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:00" (1/1) ... [2019-11-27 09:48:00,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:00" (1/1) ... [2019-11-27 09:48:00,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:00" (1/1) ... [2019-11-27 09:48:01,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:00" (1/1) ... [2019-11-27 09:48:01,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:00" (1/1) ... [2019-11-27 09:48:01,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:01,049 INFO L168 Benchmark]: Toolchain (without parser) took 1409.89 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 09:48:01,054 INFO L168 Benchmark]: CDTParser took 2.78 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:01,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1080.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:01,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.73 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 09:48:01,063 INFO L168 Benchmark]: Boogie Preprocessor took 151.88 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. [2019-11-27 09:48:01,077 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.78 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 1080.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 168.73 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. * Boogie Preprocessor took 151.88 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...