./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 025d5a27 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 0.1.24-025d5a2 [2019-11-26 16:59:53,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:59:53,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:59:53,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:59:53,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:59:53,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:59:53,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:59:53,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:59:53,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:59:53,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:59:53,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:59:53,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:59:53,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:59:53,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:59:53,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:59:53,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:59:53,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:59:53,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:59:53,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:59:53,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:59:53,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:59:53,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:59:53,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:59:53,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:59:53,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:59:53,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:59:53,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:59:53,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:59:53,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:59:53,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:59:53,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:59:53,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:59:53,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:59:53,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:59:53,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:59:53,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:59:53,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:59:53,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:59:53,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:59:53,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:59:53,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:59:53,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:59:53,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:59:53,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:59:53,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:59:53,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:59:53,523 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:59:53,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:59:53,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:59:53,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:59:53,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:59:53,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:59:53,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:59:53,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:59:53,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:59:53,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:59:53,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:59:53,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:59:53,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:59:53,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:59:53,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:59:53,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:59:53,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:59:53,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:59:53,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:59:53,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:59:53,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:59:53,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:59:53,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:59:53,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:59:53,539 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 [2019-11-26 16:59:54,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:59:54,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:59:54,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:59:54,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:59:54,157 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:59:54,158 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-26 16:59:54,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d0bf7a7/3c263f6585df44c3a5f7056468a83b24/FLAG327648382 [2019-11-26 16:59:55,375 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:59:55,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-26 16:59:55,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d0bf7a7/3c263f6585df44c3a5f7056468a83b24/FLAG327648382 [2019-11-26 16:59:55,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d0bf7a7/3c263f6585df44c3a5f7056468a83b24 [2019-11-26 16:59:55,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:59:55,619 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:59:55,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:59:55,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:59:55,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:59:55,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:59:55" (1/1) ... [2019-11-26 16:59:55,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7b7afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:55, skipping insertion in model container [2019-11-26 16:59:55,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:59:55" (1/1) ... [2019-11-26 16:59:55,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:59:55,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:59:56,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:59:56,414 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:59:56,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:59:56,627 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:59:56,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:56 WrapperNode [2019-11-26 16:59:56,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:59:56,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:59:56,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:59:56,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:59:56,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:56" (1/1) ... [2019-11-26 16:59:56,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:56" (1/1) ... [2019-11-26 16:59:56,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:59:56,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:59:56,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:59:56,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:59:56,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:56" (1/1) ... [2019-11-26 16:59:56,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:56" (1/1) ... [2019-11-26 16:59:56,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:56" (1/1) ... [2019-11-26 16:59:56,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:56" (1/1) ... [2019-11-26 16:59:56,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:56" (1/1) ... [2019-11-26 16:59:56,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:56" (1/1) ... [2019-11-26 16:59:56,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:56" (1/1) ... [2019-11-26 16:59:56,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:59:56,872 INFO L168 Benchmark]: Toolchain (without parser) took 1246.50 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. [2019-11-26 16:59:56,886 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-26 16:59:56,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1008.70 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 985.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:59:56,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.64 ms. Allocated memory is still 1.0 GB. Free memory was 985.6 MB in the beginning and 984.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:59:56,898 INFO L168 Benchmark]: Boogie Preprocessor took 101.33 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. [2019-11-26 16:59:56,909 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 1008.70 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 985.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 130.64 ms. Allocated memory is still 1.0 GB. Free memory was 985.6 MB in the beginning and 984.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 101.33 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:00,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:00,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:00,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:00,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:00,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:00,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:00,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:00,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:00,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:00,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:00,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:00,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:00,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:00,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:00,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:00,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:00,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:00,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:00,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:00,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:00,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:00,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:00,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:00,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:00,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:00,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:00,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:00,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:00,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:00,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:00,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:00,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:00,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:00,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:00,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:00,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:00,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:00,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:00,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:00,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:00,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:00,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:00,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:00,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:00,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:00,908 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:00,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:00,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:00,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:00,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:00,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:00,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:00,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:00,913 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:00,914 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:00,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:00,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:00,915 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:00,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:00,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:00,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:00,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:00,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:00,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:00,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:00,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:00,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:00,923 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:00,923 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:00,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:00,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:00,925 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 [2019-11-26 17:00:01,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:01,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:01,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:01,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:01,529 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:01,531 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-26 17:00:01,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd776a1a/885aabd1eb684879a7ac91bcd9b9f6b6/FLAG8122d3567 [2019-11-26 17:00:02,816 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:02,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-26 17:00:02,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd776a1a/885aabd1eb684879a7ac91bcd9b9f6b6/FLAG8122d3567 [2019-11-26 17:00:03,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd776a1a/885aabd1eb684879a7ac91bcd9b9f6b6 [2019-11-26 17:00:03,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:03,032 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:03,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:03,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:03,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:03,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:03" (1/1) ... [2019-11-26 17:00:03,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522b775e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:03, skipping insertion in model container [2019-11-26 17:00:03,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:03" (1/1) ... [2019-11-26 17:00:03,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:03,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:03,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:03,890 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:04,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:04,173 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:04,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:04 WrapperNode [2019-11-26 17:00:04,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:04,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:04,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:04,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:04,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:04" (1/1) ... [2019-11-26 17:00:04,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:04" (1/1) ... [2019-11-26 17:00:04,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:04,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:04,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:04,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:04,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:04" (1/1) ... [2019-11-26 17:00:04,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:04" (1/1) ... [2019-11-26 17:00:04,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:04" (1/1) ... [2019-11-26 17:00:04,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:04" (1/1) ... [2019-11-26 17:00:04,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:04" (1/1) ... [2019-11-26 17:00:04,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:04" (1/1) ... [2019-11-26 17:00:04,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:04" (1/1) ... [2019-11-26 17:00:04,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:04,498 INFO L168 Benchmark]: Toolchain (without parser) took 1461.27 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. [2019-11-26 17:00:04,499 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. [2019-11-26 17:00:04,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1140.44 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. [2019-11-26 17:00:04,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.30 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. [2019-11-26 17:00:04,503 INFO L168 Benchmark]: Boogie Preprocessor took 131.30 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. [2019-11-26 17:00:04,510 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 1140.44 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 179.30 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 131.30 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...