./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0920a.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 68aa61f206da468fa7dcfce700dfa7d384c1ee8e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0920a.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 68aa61f206da468fa7dcfce700dfa7d384c1ee8e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:30,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:30,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:30,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:30,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:30,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:30,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:30,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:31,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:31,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:31,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:31,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:31,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:31,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:31,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:31,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:31,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:31,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:31,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:31,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:31,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:31,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:31,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:31,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:31,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:31,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:31,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:31,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:31,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:31,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:31,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:31,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:31,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:31,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:31,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:31,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:31,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:31,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:31,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:31,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:31,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:31,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:31,160 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:31,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:31,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:31,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:31,170 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:31,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:31,172 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:31,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:31,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:31,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:31,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:31,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:31,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:31,179 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:31,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:31,179 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:31,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:31,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:31,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:31,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:31,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:31,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:31,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:31,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:31,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:31,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:31,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:31,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:31,185 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 -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2019-11-26 17:00:31,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:31,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:31,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:31,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:31,786 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:31,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-26 17:00:31,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdaa3ad14/d44bc6bd53434026b1b6a3346a6538ab/FLAG0b7d7fb1a [2019-11-26 17:00:33,076 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:33,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-26 17:00:33,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdaa3ad14/d44bc6bd53434026b1b6a3346a6538ab/FLAG0b7d7fb1a [2019-11-26 17:00:33,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdaa3ad14/d44bc6bd53434026b1b6a3346a6538ab [2019-11-26 17:00:33,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:33,149 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:33,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:33,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:33,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:33,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:33" (1/1) ... [2019-11-26 17:00:33,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:33, skipping insertion in model container [2019-11-26 17:00:33,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:33" (1/1) ... [2019-11-26 17:00:33,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:33,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:33,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:33,971 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:34,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:34,284 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:34,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34 WrapperNode [2019-11-26 17:00:34,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:34,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:34,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:34,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:34,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:34,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:34,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:34,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:34,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:34,533 INFO L168 Benchmark]: Toolchain (without parser) took 1378.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.1 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:34,534 INFO L168 Benchmark]: CDTParser took 2.60 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:34,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1130.84 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 989.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:34,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.82 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:34,556 INFO L168 Benchmark]: Boogie Preprocessor took 96.42 ms. Allocated memory is still 1.0 GB. Free memory was 989.8 MB in the beginning and 984.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:34,568 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.60 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 1130.84 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 989.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 140.82 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.42 ms. Allocated memory is still 1.0 GB. Free memory was 989.8 MB in the beginning and 984.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:38,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:38,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:38,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:38,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:38,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:38,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:38,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:38,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:38,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:38,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:38,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:38,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:38,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:38,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:38,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:38,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:38,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:38,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:38,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:38,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:38,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:38,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:38,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:38,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:38,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:38,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:38,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:38,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:38,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:38,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:38,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:38,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:38,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:38,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:38,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:38,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:38,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:38,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:38,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:38,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:38,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:38,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:38,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:38,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:38,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:38,616 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:38,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:38,618 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:38,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:38,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:38,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:38,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:38,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:38,623 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:38,625 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:38,626 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:38,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:38,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:38,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:38,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:38,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:38,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:38,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:38,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:38,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:38,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:38,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:38,634 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:38,634 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:38,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:38,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:38,637 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 -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2019-11-26 17:00:39,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:39,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:39,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:39,255 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:39,259 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:39,261 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-26 17:00:39,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f375bf0/de8bce0d0f3341f3a7c11634f9c6a257/FLAGc4ee35b17 [2019-11-26 17:00:40,544 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:40,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2019-11-26 17:00:40,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f375bf0/de8bce0d0f3341f3a7c11634f9c6a257/FLAGc4ee35b17 [2019-11-26 17:00:40,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f375bf0/de8bce0d0f3341f3a7c11634f9c6a257 [2019-11-26 17:00:40,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:40,616 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:40,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:40,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:40,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:40,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:40" (1/1) ... [2019-11-26 17:00:40,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:40, skipping insertion in model container [2019-11-26 17:00:40,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:40" (1/1) ... [2019-11-26 17:00:40,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:40,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:41,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:41,516 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:41,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:41,735 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:41,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41 WrapperNode [2019-11-26 17:00:41,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:41,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:41,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:41,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:41,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:41,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:41,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:41,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:41,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:42,005 INFO L168 Benchmark]: Toolchain (without parser) took 1385.14 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. [2019-11-26 17:00:42,018 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:42,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1115.56 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 991.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:42,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.59 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 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. [2019-11-26 17:00:42,025 INFO L168 Benchmark]: Boogie Preprocessor took 131.30 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. [2019-11-26 17:00:42,032 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1115.56 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 991.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 122.59 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 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 131.30 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...