./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_biNewton_pseudoconstant.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 71bb07c94f4fe427420ff52287a2ed237302fad2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_biNewton_pseudoconstant.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 71bb07c94f4fe427420ff52287a2ed237302fad2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:04:13,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:13,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:13,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:13,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:13,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:13,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:13,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:13,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:13,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:13,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:14,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:14,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:14,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:14,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:14,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:14,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:14,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:14,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:14,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:14,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:14,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:14,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:14,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:14,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:14,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:14,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:14,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:14,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:14,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:14,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:14,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:14,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:14,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:14,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:14,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:14,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:14,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:14,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:14,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:14,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:14,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:04:14,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:14,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:14,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:14,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:14,143 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:14,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:14,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:14,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:04:14,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:14,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:14,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:14,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:14,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:14,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:14,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:14,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:14,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:14,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:14,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:14,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:14,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:14,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:14,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:14,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:14,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:14,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:14,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:04:14,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:04:14,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:14,159 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 -> 71bb07c94f4fe427420ff52287a2ed237302fad2 [2019-11-24 21:04:14,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:14,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:14,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:14,794 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:14,800 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:14,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2019-11-24 21:04:14,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f7b10a3/83e3f80dfa1a414598c926ed4677253f/FLAG2abccfcba [2019-11-24 21:04:16,018 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:16,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2019-11-24 21:04:16,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f7b10a3/83e3f80dfa1a414598c926ed4677253f/FLAG2abccfcba [2019-11-24 21:04:16,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f7b10a3/83e3f80dfa1a414598c926ed4677253f [2019-11-24 21:04:16,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:16,093 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:16,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:16,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:16,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:16,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:16,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dddb048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16, skipping insertion in model container [2019-11-24 21:04:16,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:16,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:16,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:16,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:16,700 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:16,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:16,896 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:16,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16 WrapperNode [2019-11-24 21:04:16,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:16,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:16,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:16,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:16,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:16,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:16,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:16,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:16,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:16,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:17,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:17,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:17,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:17,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:17,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:17,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:17,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:16" (1/1) ... [2019-11-24 21:04:17,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:17,066 INFO L168 Benchmark]: Toolchain (without parser) took 971.99 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:17,081 INFO L168 Benchmark]: CDTParser took 0.91 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. [2019-11-24 21:04:17,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:17,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.68 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:17,089 INFO L168 Benchmark]: Boogie Preprocessor took 68.02 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:17,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 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 800.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 91.68 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.02 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 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 0.1.24-32f2683 [2019-11-24 21:04:20,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:20,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:20,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:20,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:20,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:20,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:20,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:20,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:20,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:20,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:20,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:20,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:20,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:20,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:20,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:20,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:20,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:20,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:20,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:20,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:20,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:20,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:20,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:20,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:20,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:20,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:20,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:20,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:20,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:20,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:20,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:20,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:20,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:21,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:21,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:21,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:21,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:21,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:21,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:21,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:21,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:21,055 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:21,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:21,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:21,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:21,062 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:21,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:21,063 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:21,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:21,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:21,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:21,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:21,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:21,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:21,068 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:21,069 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:21,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:21,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:21,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:21,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:21,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:21,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:21,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:21,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:21,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:21,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:21,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:21,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:21,077 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:21,077 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:21,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:21,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:21,079 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 -> 71bb07c94f4fe427420ff52287a2ed237302fad2 [2019-11-24 21:04:21,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:21,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:21,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:21,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:21,697 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:21,697 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2019-11-24 21:04:21,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b78e7a1/34cc406aaa1e4752be0b21f9a8955879/FLAG7328c80c4 [2019-11-24 21:04:22,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:22,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2019-11-24 21:04:22,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b78e7a1/34cc406aaa1e4752be0b21f9a8955879/FLAG7328c80c4 [2019-11-24 21:04:23,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b78e7a1/34cc406aaa1e4752be0b21f9a8955879 [2019-11-24 21:04:23,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:23,023 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:23,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:23,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:23,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:23,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10db85b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23, skipping insertion in model container [2019-11-24 21:04:23,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:23,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:23,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:23,654 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:23,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:23,864 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:23,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23 WrapperNode [2019-11-24 21:04:23,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:23,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:23,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:23,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:23,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:23,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:23,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:23,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:23,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:23,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:24,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:24,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:24,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:23" (1/1) ... [2019-11-24 21:04:24,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:24,035 INFO L168 Benchmark]: Toolchain (without parser) took 1007.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 991.3 MB in the end (delta: -25.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:24,050 INFO L168 Benchmark]: CDTParser took 1.21 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. [2019-11-24 21:04:24,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 837.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 997.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:24,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.86 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. [2019-11-24 21:04:24,063 INFO L168 Benchmark]: Boogie Preprocessor took 71.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:24,073 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21 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 837.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 997.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 88.86 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 71.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...