./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0684a.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 6f0e5ff08d8d375b1c12be7373d81b68e548344f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/double_req_bl_0684a.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 6f0e5ff08d8d375b1c12be7373d81b68e548344f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:08:12,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:08:12,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:08:12,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:08:12,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:08:12,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:08:12,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:08:12,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:08:12,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:08:12,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:08:12,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:08:12,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:08:12,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:08:12,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:08:12,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:08:12,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:08:12,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:08:12,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:08:12,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:08:12,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:08:12,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:08:12,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:08:12,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:08:12,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:08:12,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:08:12,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:08:12,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:08:12,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:08:12,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:08:12,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:08:12,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:08:12,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:08:12,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:08:12,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:08:12,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:08:12,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:08:12,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:08:12,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:08:12,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:08:12,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:08:12,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:08:12,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:08:12,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:08:12,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:08:12,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:08:12,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:08:12,606 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:08:12,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:08:12,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:08:12,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:08:12,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:08:12,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:08:12,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:08:12,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:08:12,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:08:12,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:08:12,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:08:12,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:08:12,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:08:12,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:08:12,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:08:12,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:08:12,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:08:12,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:08:12,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:08:12,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:08:12,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:08:12,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:08:12,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:08:12,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:08:12,620 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 -> 6f0e5ff08d8d375b1c12be7373d81b68e548344f [2019-11-27 16:08:13,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:08:13,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:08:13,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:08:13,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:08:13,227 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:08:13,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2019-11-27 16:08:13,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8049f5496/dd8458d4cda14032a66f94998227226d/FLAG9166b5091 [2019-11-27 16:08:14,510 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:08:14,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2019-11-27 16:08:14,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8049f5496/dd8458d4cda14032a66f94998227226d/FLAG9166b5091 [2019-11-27 16:08:14,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8049f5496/dd8458d4cda14032a66f94998227226d [2019-11-27 16:08:14,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:08:14,592 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:08:14,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:08:14,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:08:14,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:08:14,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:08:14" (1/1) ... [2019-11-27 16:08:14,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef4d55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:14, skipping insertion in model container [2019-11-27 16:08:14,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:08:14" (1/1) ... [2019-11-27 16:08:14,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:08:14,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:08:15,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:08:15,471 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:08:15,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:08:15,725 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:08:15,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:15 WrapperNode [2019-11-27 16:08:15,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:08:15,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:08:15,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:08:15,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:08:15,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:15" (1/1) ... [2019-11-27 16:08:15,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:15" (1/1) ... [2019-11-27 16:08:15,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:08:15,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:08:15,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:08:15,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:08:15,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:15" (1/1) ... [2019-11-27 16:08:15,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:15" (1/1) ... [2019-11-27 16:08:15,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:15" (1/1) ... [2019-11-27 16:08:15,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:15" (1/1) ... [2019-11-27 16:08:16,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:15" (1/1) ... [2019-11-27 16:08:16,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:15" (1/1) ... [2019-11-27 16:08:16,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:15" (1/1) ... [2019-11-27 16:08:16,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:08:16,129 INFO L168 Benchmark]: Toolchain (without parser) took 1524.16 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 978.6 MB in the end (delta: -16.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:08:16,130 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:08:16,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1136.03 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 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:08:16,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.73 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:08:16,139 INFO L168 Benchmark]: Boogie Preprocessor took 192.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:08:16,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 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 1136.03 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 984.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 184.73 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.6 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 0.1.24-509859d [2019-11-27 16:08:20,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:08:20,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:08:20,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:08:20,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:08:20,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:08:20,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:08:20,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:08:20,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:08:20,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:08:20,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:08:20,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:08:20,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:08:20,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:08:20,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:08:20,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:08:20,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:08:20,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:08:20,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:08:20,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:08:20,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:08:20,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:08:20,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:08:20,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:08:20,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:08:20,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:08:20,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:08:20,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:08:20,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:08:20,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:08:20,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:08:20,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:08:20,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:08:20,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:08:20,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:08:20,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:08:20,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:08:20,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:08:20,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:08:20,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:08:20,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:08:20,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:08:20,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:08:20,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:08:20,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:08:20,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:08:20,288 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:08:20,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:08:20,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:08:20,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:08:20,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:08:20,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:08:20,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:08:20,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:08:20,296 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:08:20,297 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:08:20,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:08:20,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:08:20,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:08:20,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:08:20,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:08:20,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:08:20,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:08:20,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:08:20,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:08:20,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:08:20,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:08:20,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:08:20,302 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:08:20,302 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:08:20,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:08:20,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:08:20,305 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 -> 6f0e5ff08d8d375b1c12be7373d81b68e548344f [2019-11-27 16:08:20,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:08:20,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:08:20,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:08:20,923 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:08:20,924 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:08:20,926 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2019-11-27 16:08:21,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f929a62cf/01912de385514d1b823250f4da235db9/FLAG08def7938 [2019-11-27 16:08:22,186 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:08:22,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2019-11-27 16:08:22,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f929a62cf/01912de385514d1b823250f4da235db9/FLAG08def7938 [2019-11-27 16:08:22,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f929a62cf/01912de385514d1b823250f4da235db9 [2019-11-27 16:08:22,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:08:22,299 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:08:22,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:08:22,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:08:22,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:08:22,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:08:22" (1/1) ... [2019-11-27 16:08:22,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4787b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:22, skipping insertion in model container [2019-11-27 16:08:22,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:08:22" (1/1) ... [2019-11-27 16:08:22,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:08:22,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:08:23,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:08:23,240 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:08:23,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:08:23,505 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:08:23,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:23 WrapperNode [2019-11-27 16:08:23,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:08:23,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:08:23,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:08:23,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:08:23,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:23" (1/1) ... [2019-11-27 16:08:23,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:23" (1/1) ... [2019-11-27 16:08:23,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:08:23,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:08:23,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:08:23,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:08:23,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:23" (1/1) ... [2019-11-27 16:08:23,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:23" (1/1) ... [2019-11-27 16:08:23,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:23" (1/1) ... [2019-11-27 16:08:23,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:23" (1/1) ... [2019-11-27 16:08:23,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:23" (1/1) ... [2019-11-27 16:08:23,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:23" (1/1) ... [2019-11-27 16:08:23,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:08:23" (1/1) ... [2019-11-27 16:08:23,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:08:23,922 INFO L168 Benchmark]: Toolchain (without parser) took 1621.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 967.2 MB in the end (delta: -6.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:08:23,926 INFO L168 Benchmark]: CDTParser took 2.53 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:08:23,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1204.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.4 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:08:23,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.71 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:08:23,934 INFO L168 Benchmark]: Boogie Preprocessor took 210.08 ms. Allocated memory is still 1.0 GB. Free memory was 978.6 MB in the beginning and 967.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:08:23,946 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.53 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 1204.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.4 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 188.71 ms. Allocated memory is still 1.0 GB. Free memory was 984.4 MB in the beginning and 978.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 210.08 ms. Allocated memory is still 1.0 GB. Free memory was 978.6 MB in the beginning and 967.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...