./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0831.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_0831.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 14218179970cdda4c2f749c75b7f78aa74dcc86b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0831.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 14218179970cdda4c2f749c75b7f78aa74dcc86b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:52:32,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:32,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:32,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:32,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:32,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:32,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:32,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:32,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:32,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:32,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:32,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:32,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:32,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:32,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:32,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:32,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:32,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:32,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:32,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:32,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:32,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:32,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:32,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:32,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:32,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:32,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:32,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:32,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:32,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:32,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:32,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:32,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:32,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:32,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:32,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:32,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:32,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:32,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:32,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:32,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:32,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:52:32,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:32,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:32,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:32,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:32,212 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:32,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:32,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:32,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:52:32,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:32,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:32,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:32,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:32,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:32,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:32,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:32,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:32,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:32,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:32,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:32,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:32,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:32,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:32,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:32,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:32,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:32,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:52:32,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:52:32,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:32,223 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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2019-11-25 22:52:32,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:32,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:32,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:32,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:32,729 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:32,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0831.c [2019-11-25 22:52:32,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f818e882/11a9b722da2e492d9553118b3380560f/FLAGc2f779c62 [2019-11-25 22:52:33,621 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:33,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0831.c [2019-11-25 22:52:33,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f818e882/11a9b722da2e492d9553118b3380560f/FLAGc2f779c62 [2019-11-25 22:52:33,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f818e882/11a9b722da2e492d9553118b3380560f [2019-11-25 22:52:33,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:33,924 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:33,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:33,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:33,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:33,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:33" (1/1) ... [2019-11-25 22:52:33,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1aada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:33, skipping insertion in model container [2019-11-25 22:52:33,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:33" (1/1) ... [2019-11-25 22:52:33,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:34,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:34,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:34,442 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:34,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:34,562 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:34,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:34 WrapperNode [2019-11-25 22:52:34,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:34,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:34,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:34,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:34,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:34" (1/1) ... [2019-11-25 22:52:34,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:34" (1/1) ... [2019-11-25 22:52:34,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:34,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:34,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:34,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:34,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:34" (1/1) ... [2019-11-25 22:52:34,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:34" (1/1) ... [2019-11-25 22:52:34,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:34" (1/1) ... [2019-11-25 22:52:34,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:34" (1/1) ... [2019-11-25 22:52:34,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:34" (1/1) ... [2019-11-25 22:52:34,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:34" (1/1) ... [2019-11-25 22:52:34,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:34" (1/1) ... [2019-11-25 22:52:34,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:34,739 INFO L168 Benchmark]: Toolchain (without parser) took 812.98 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 985.7 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:34,754 INFO L168 Benchmark]: CDTParser took 1.94 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. [2019-11-25 22:52:34,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.54 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 20.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:34,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.29 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:34,761 INFO L168 Benchmark]: Boogie Preprocessor took 66.58 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:34,765 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.94 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 639.54 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 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 103.29 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.58 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:52:37,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:52:37,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:52:37,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:52:37,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:52:37,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:52:37,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:52:37,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:52:37,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:52:37,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:52:37,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:52:37,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:52:37,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:52:37,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:52:37,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:52:37,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:52:37,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:52:37,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:52:37,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:52:37,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:52:37,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:52:37,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:52:37,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:52:37,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:52:37,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:52:37,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:52:37,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:52:37,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:52:37,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:52:37,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:52:37,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:52:37,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:52:37,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:52:37,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:52:37,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:52:37,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:52:37,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:52:37,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:52:37,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:52:37,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:52:37,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:52:37,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:52:37,655 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:52:37,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:52:37,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:52:37,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:52:37,665 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:52:37,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:52:37,666 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:52:37,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:52:37,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:52:37,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:52:37,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:52:37,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:52:37,668 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:52:37,668 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:52:37,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:52:37,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:52:37,671 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:52:37,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:52:37,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:52:37,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:52:37,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:52:37,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:52:37,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:52:37,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:52:37,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:52:37,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:52:37,673 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:52:37,673 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:52:37,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:52:37,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:52:37,677 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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2019-11-25 22:52:38,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:52:38,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:52:38,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:52:38,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:52:38,172 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:52:38,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0831.c [2019-11-25 22:52:38,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67cc7b225/cd3297befa5a4760b59fd575e351753e/FLAGb37fe234c [2019-11-25 22:52:39,042 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:52:39,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0831.c [2019-11-25 22:52:39,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67cc7b225/cd3297befa5a4760b59fd575e351753e/FLAGb37fe234c [2019-11-25 22:52:39,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67cc7b225/cd3297befa5a4760b59fd575e351753e [2019-11-25 22:52:39,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:52:39,330 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:52:39,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:39,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:52:39,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:52:39,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:39" (1/1) ... [2019-11-25 22:52:39,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55849944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:39, skipping insertion in model container [2019-11-25 22:52:39,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:52:39" (1/1) ... [2019-11-25 22:52:39,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:52:39,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:52:39,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:39,913 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:52:40,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:52:40,059 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:52:40,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:40 WrapperNode [2019-11-25 22:52:40,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:52:40,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:40,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:52:40,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:52:40,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:40" (1/1) ... [2019-11-25 22:52:40,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:40" (1/1) ... [2019-11-25 22:52:40,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:52:40,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:52:40,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:52:40,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:52:40,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:40" (1/1) ... [2019-11-25 22:52:40,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:40" (1/1) ... [2019-11-25 22:52:40,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:40" (1/1) ... [2019-11-25 22:52:40,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:40" (1/1) ... [2019-11-25 22:52:40,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:40" (1/1) ... [2019-11-25 22:52:40,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:40" (1/1) ... [2019-11-25 22:52:40,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:52:40" (1/1) ... [2019-11-25 22:52:40,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:52:40,274 INFO L168 Benchmark]: Toolchain (without parser) took 944.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 984.3 MB in the end (delta: -21.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:40,275 INFO L168 Benchmark]: CDTParser took 1.40 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 22:52:40,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 990.0 MB in the end (delta: -26.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:40,279 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.89 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:52:40,279 INFO L168 Benchmark]: Boogie Preprocessor took 104.14 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:52:40,299 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40 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 725.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 990.0 MB in the end (delta: -26.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 102.89 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.14 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 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...