./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0250a.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 78ea74dfa7532b5891dcf798c387cbc67437d79b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0250a.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 78ea74dfa7532b5891dcf798c387cbc67437d79b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:52:05,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:05,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:05,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:05,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:05,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:05,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:05,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:05,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:05,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:05,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:05,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:05,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:05,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:05,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:05,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:05,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:05,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:05,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:05,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:05,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:05,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:05,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:05,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:05,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:05,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:05,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:05,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:05,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:05,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:05,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:05,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:05,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:05,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:05,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:05,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:05,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:05,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:05,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:05,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:05,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:05,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:52:05,446 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:05,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:05,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:05,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:05,454 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:05,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:05,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:05,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:52:05,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:05,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:05,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:05,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:05,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:05,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:05,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:05,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:05,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:05,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:05,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:05,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:05,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:05,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:05,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:05,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:05,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:05,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:52:05,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:52:05,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:05,468 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 -> 78ea74dfa7532b5891dcf798c387cbc67437d79b [2019-11-25 22:52:06,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:06,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:06,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:06,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:06,054 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:06,055 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2019-11-25 22:52:06,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a5658857/ff4aa562eee54208aa7f644b22992a96/FLAG21b053158 [2019-11-25 22:52:07,327 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:07,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2019-11-25 22:52:07,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a5658857/ff4aa562eee54208aa7f644b22992a96/FLAG21b053158 [2019-11-25 22:52:07,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a5658857/ff4aa562eee54208aa7f644b22992a96 [2019-11-25 22:52:07,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:07,399 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:07,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:07,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:07,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:07,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:07" (1/1) ... [2019-11-25 22:52:07,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f35d551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:07, skipping insertion in model container [2019-11-25 22:52:07,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:07" (1/1) ... [2019-11-25 22:52:07,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:07,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:08,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:08,272 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:08,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:08,515 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:08,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08 WrapperNode [2019-11-25 22:52:08,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:08,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:08,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:08,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:08,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:08,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:08,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:08,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:08,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:08" (1/1) ... [2019-11-25 22:52:08,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:08,800 INFO L168 Benchmark]: Toolchain (without parser) took 1399.72 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:08,805 INFO L168 Benchmark]: CDTParser took 3.31 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. [2019-11-25 22:52:08,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1112.99 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. [2019-11-25 22:52:08,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.47 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:08,812 INFO L168 Benchmark]: Boogie Preprocessor took 134.61 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:08,822 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.31 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 1112.99 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 138.47 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 134.61 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:52:12,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:12,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:12,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:12,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:12,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:12,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:12,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:12,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:12,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:12,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:12,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:12,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:12,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:12,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:12,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:12,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:12,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:12,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:12,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:12,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:12,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:12,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:12,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:12,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:12,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:12,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:12,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:12,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:12,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:12,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:12,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:12,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:12,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:12,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:12,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:12,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:12,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:12,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:12,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:12,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:12,811 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:52:12,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:12,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:12,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:12,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:12,860 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:12,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:12,861 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:12,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:12,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:12,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:12,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:12,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:12,866 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:52:12,866 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:52:12,866 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:12,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:12,869 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:12,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:12,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:12,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:12,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:12,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:12,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:12,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:12,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:12,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:12,874 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:52:12,874 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:52:12,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:12,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:52:12,880 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 -> 78ea74dfa7532b5891dcf798c387cbc67437d79b [2019-11-25 22:52:13,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:13,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:13,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:13,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:13,447 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:13,450 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2019-11-25 22:52:13,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a713e3ac7/074b4bf95c72428fa7923f012ef99196/FLAGf96fb717c [2019-11-25 22:52:14,713 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:14,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2019-11-25 22:52:14,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a713e3ac7/074b4bf95c72428fa7923f012ef99196/FLAGf96fb717c [2019-11-25 22:52:14,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a713e3ac7/074b4bf95c72428fa7923f012ef99196 [2019-11-25 22:52:14,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:14,796 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:14,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:14,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:14,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:14,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:14" (1/1) ... [2019-11-25 22:52:14,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7cbcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:14, skipping insertion in model container [2019-11-25 22:52:14,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:14" (1/1) ... [2019-11-25 22:52:14,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:14,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:15,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:15,700 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:15,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:15,988 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:15,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15 WrapperNode [2019-11-25 22:52:15,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:15,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:15,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:15,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:16,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:16,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:16,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:16,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:16,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:16,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:16,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:16,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:16,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:16,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:16,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:16,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:16,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:15" (1/1) ... [2019-11-25 22:52:16,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:16,359 INFO L168 Benchmark]: Toolchain (without parser) took 1557.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:16,361 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-25 22:52:16,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1191.08 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 984.1 MB in the end (delta: -22.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:16,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.55 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:16,368 INFO L168 Benchmark]: Boogie Preprocessor took 176.73 ms. Allocated memory is still 1.0 GB. Free memory was 984.1 MB in the beginning and 978.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:16,374 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1191.08 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 984.1 MB in the end (delta: -22.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 179.55 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 176.73 ms. Allocated memory is still 1.0 GB. Free memory was 984.1 MB in the beginning and 978.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...