./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.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-benchs/sqrt_Householder_interval.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 044666208476da4ad4fcec9a18fadf3bde3ce58f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-benchs/sqrt_Householder_interval.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 044666208476da4ad4fcec9a18fadf3bde3ce58f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:50:24,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:24,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:24,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:24,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:24,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:24,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:24,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:24,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:24,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:24,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:24,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:24,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:24,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:24,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:24,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:24,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:24,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:24,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:24,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:24,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:24,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:24,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:24,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:24,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:24,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:24,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:24,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:24,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:24,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:24,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:24,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:24,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:24,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:24,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:24,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:24,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:24,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:24,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:24,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:24,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:24,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:24,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:24,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:24,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:24,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:24,934 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:24,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:24,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:24,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:24,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:24,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:24,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:24,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:24,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:24,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:24,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:24,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:24,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:24,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:24,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:24,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:24,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:24,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:24,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:24,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:24,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:24,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:24,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:24,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:24,944 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 -> 044666208476da4ad4fcec9a18fadf3bde3ce58f [2019-11-25 22:50:25,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:25,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:25,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:25,448 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:25,448 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:25,451 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2019-11-25 22:50:25,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50fe2373/1522f25093114c0b9a11b3af75b69206/FLAG4e9174024 [2019-11-25 22:50:26,255 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:26,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2019-11-25 22:50:26,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50fe2373/1522f25093114c0b9a11b3af75b69206/FLAG4e9174024 [2019-11-25 22:50:26,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50fe2373/1522f25093114c0b9a11b3af75b69206 [2019-11-25 22:50:26,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:26,605 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:26,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:26,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:26,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:26,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:26" (1/1) ... [2019-11-25 22:50:26,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8d314d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:26, skipping insertion in model container [2019-11-25 22:50:26,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:26" (1/1) ... [2019-11-25 22:50:26,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:26,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:26,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:26,982 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:27,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:27,105 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:27,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:27 WrapperNode [2019-11-25 22:50:27,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:27,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:27,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:27,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:27,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:27" (1/1) ... [2019-11-25 22:50:27,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:27" (1/1) ... [2019-11-25 22:50:27,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:27,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:27,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:27,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:27,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:27" (1/1) ... [2019-11-25 22:50:27,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:27" (1/1) ... [2019-11-25 22:50:27,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:27" (1/1) ... [2019-11-25 22:50:27,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:27" (1/1) ... [2019-11-25 22:50:27,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:27" (1/1) ... [2019-11-25 22:50:27,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:27" (1/1) ... [2019-11-25 22:50:27,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:27" (1/1) ... [2019-11-25 22:50:27,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:27,209 INFO L168 Benchmark]: Toolchain (without parser) took 601.63 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 989.8 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:27,224 INFO L168 Benchmark]: CDTParser took 0.28 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 22:50:27,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.34 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 995.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:27,227 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.44 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:27,231 INFO L168 Benchmark]: Boogie Preprocessor took 50.45 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 MB in the beginning and 989.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:27,239 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 500.34 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 995.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 46.44 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.45 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 MB in the beginning and 989.8 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 0.1.24-65d6cd2 [2019-11-25 22:50:29,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:29,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:30,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:30,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:30,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:30,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:30,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:30,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:30,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:30,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:30,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:30,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:30,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:30,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:30,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:30,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:30,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:30,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:30,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:30,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:30,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:30,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:30,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:30,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:30,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:30,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:30,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:30,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:30,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:30,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:30,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:30,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:30,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:30,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:30,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:30,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:30,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:30,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:30,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:30,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:30,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:30,155 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:30,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:30,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:30,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:30,163 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:30,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:30,164 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:30,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:30,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:30,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:30,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:30,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:30,170 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:30,170 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:30,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:30,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:30,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:30,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:30,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:30,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:30,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:30,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:30,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:30,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:30,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:30,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:30,173 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:30,175 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:30,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:30,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:30,176 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 -> 044666208476da4ad4fcec9a18fadf3bde3ce58f [2019-11-25 22:50:30,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:30,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:30,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:30,658 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:30,659 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:30,661 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2019-11-25 22:50:30,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abcd9912d/20528536567a4f1eb632791d5f31c519/FLAG38017d810 [2019-11-25 22:50:31,504 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:31,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2019-11-25 22:50:31,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abcd9912d/20528536567a4f1eb632791d5f31c519/FLAG38017d810 [2019-11-25 22:50:31,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abcd9912d/20528536567a4f1eb632791d5f31c519 [2019-11-25 22:50:31,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:31,830 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:31,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:31,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:31,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:31,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:31" (1/1) ... [2019-11-25 22:50:31,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de9f55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:31, skipping insertion in model container [2019-11-25 22:50:31,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:31" (1/1) ... [2019-11-25 22:50:31,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:31,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:32,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:32,224 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:32,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:32,335 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:32,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:32 WrapperNode [2019-11-25 22:50:32,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:32,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:32,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:32,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:32,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:32" (1/1) ... [2019-11-25 22:50:32,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:32" (1/1) ... [2019-11-25 22:50:32,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:32,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:32,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:32,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:32,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:32" (1/1) ... [2019-11-25 22:50:32,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:32" (1/1) ... [2019-11-25 22:50:32,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:32" (1/1) ... [2019-11-25 22:50:32,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:32" (1/1) ... [2019-11-25 22:50:32,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:32" (1/1) ... [2019-11-25 22:50:32,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:32" (1/1) ... [2019-11-25 22:50:32,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:32" (1/1) ... [2019-11-25 22:50:32,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:32,450 INFO L168 Benchmark]: Toolchain (without parser) took 618.02 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 989.9 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:32,464 INFO L168 Benchmark]: CDTParser took 0.24 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 22:50:32,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:32,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.76 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:32,471 INFO L168 Benchmark]: Boogie Preprocessor took 57.72 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:32,478 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 500.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 49.76 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.72 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...