./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1121b.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_1121b.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 73dc70fc086318c728ead326eb8ef835fee9f9a2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1121b.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 73dc70fc086318c728ead326eb8ef835fee9f9a2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:48:05,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:05,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:05,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:05,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:05,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:05,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:05,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:05,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:05,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:05,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:05,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:05,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:05,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:05,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:05,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:05,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:05,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:05,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:05,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:05,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:05,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:05,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:05,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:05,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:05,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:05,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:05,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:05,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:05,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:05,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:05,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:05,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:05,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:05,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:05,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:05,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:05,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:05,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:05,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:05,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:05,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:05,543 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:05,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:05,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:05,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:05,550 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:05,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:05,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:05,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:05,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:05,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:05,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:05,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:05,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:05,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:05,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:05,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:05,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:05,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:05,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:05,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:05,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:05,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:05,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:05,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:05,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:05,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:05,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:05,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:05,570 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 -> 73dc70fc086318c728ead326eb8ef835fee9f9a2 [2019-11-27 09:48:06,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:06,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:06,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:06,260 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:06,260 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:06,262 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2019-11-27 09:48:06,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a01af402/346832e96d894fb5896e8b9b1e9dc369/FLAG42d945fab [2019-11-27 09:48:07,463 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:07,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2019-11-27 09:48:07,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a01af402/346832e96d894fb5896e8b9b1e9dc369/FLAG42d945fab [2019-11-27 09:48:07,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a01af402/346832e96d894fb5896e8b9b1e9dc369 [2019-11-27 09:48:07,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:07,535 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:07,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:07,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:07,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:07,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07, skipping insertion in model container [2019-11-27 09:48:07,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:07,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:08,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:08,295 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:08,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:08,480 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:08,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:08 WrapperNode [2019-11-27 09:48:08,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:08,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:08,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:08,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:08,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:08" (1/1) ... [2019-11-27 09:48:08,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:08" (1/1) ... [2019-11-27 09:48:08,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:08,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:08,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:08,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:08,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:08" (1/1) ... [2019-11-27 09:48:08,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:08" (1/1) ... [2019-11-27 09:48:08,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:08" (1/1) ... [2019-11-27 09:48:08,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:08" (1/1) ... [2019-11-27 09:48:08,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:08" (1/1) ... [2019-11-27 09:48:08,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:08" (1/1) ... [2019-11-27 09:48:08,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:08" (1/1) ... [2019-11-27 09:48:08,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:08,740 INFO L168 Benchmark]: Toolchain (without parser) took 1186.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.8 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:08,741 INFO L168 Benchmark]: CDTParser took 2.07 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 09:48:08,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 942.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:08,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.11 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:08,749 INFO L168 Benchmark]: Boogie Preprocessor took 95.96 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:08,761 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.07 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 942.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.11 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 95.96 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 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 09:48:12,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:12,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:12,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:12,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:12,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:12,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:12,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:12,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:12,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:12,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:12,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:12,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:12,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:12,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:12,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:12,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:12,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:12,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:12,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:12,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:12,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:12,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:12,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:12,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:12,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:12,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:12,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:12,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:12,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:12,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:12,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:12,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:12,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:12,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:12,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:12,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:12,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:12,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:12,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:12,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:12,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:12,991 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:12,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:12,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:13,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:13,000 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:13,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:13,001 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:13,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:13,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:13,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:13,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:13,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:13,006 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:13,006 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:13,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:13,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:13,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:13,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:13,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:13,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:13,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:13,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:13,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:13,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:13,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:13,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:13,013 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:13,014 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:13,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:13,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:13,018 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 -> 73dc70fc086318c728ead326eb8ef835fee9f9a2 [2019-11-27 09:48:13,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:13,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:13,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:13,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:13,668 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:13,671 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2019-11-27 09:48:13,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dd0eb5e/ac9fd7cca65e4b59a72345a6f386f42d/FLAG2070f950e [2019-11-27 09:48:14,816 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:14,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2019-11-27 09:48:14,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dd0eb5e/ac9fd7cca65e4b59a72345a6f386f42d/FLAG2070f950e [2019-11-27 09:48:14,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dd0eb5e/ac9fd7cca65e4b59a72345a6f386f42d [2019-11-27 09:48:14,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:14,995 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:14,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:14,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:15,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:15,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:15,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a98191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15, skipping insertion in model container [2019-11-27 09:48:15,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:15,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:15,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:15,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:15,727 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:15,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:15,906 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:15,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15 WrapperNode [2019-11-27 09:48:15,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:15,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:15,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:15,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:15,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:15,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:16,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:16,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:16,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:16,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:16,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:16,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:16,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:16,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:16,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:16,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:16,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:16,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:16,154 INFO L168 Benchmark]: Toolchain (without parser) took 1156.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 984.4 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:16,156 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:16,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 910.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 991.5 MB in the end (delta: -25.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:16,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.97 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:16,167 INFO L168 Benchmark]: Boogie Preprocessor took 131.54 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 984.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:16,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 910.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 991.5 MB in the end (delta: -25.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 100.97 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 131.54 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 984.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...