./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/newton_2_2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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/floats-cdfpl/newton_2_2.i -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 72ac9ef2919c90bc0529382edd84c1d0f1b36bd5 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 22:43:41,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:43:41,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:43:41,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:43:41,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:43:41,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:43:41,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:43:41,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:43:41,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:43:41,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:43:41,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:43:41,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:43:41,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:43:41,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:43:41,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:43:41,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:43:41,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:43:41,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:43:41,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:43:41,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:43:41,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:43:41,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:43:41,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:43:41,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:43:41,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:43:41,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:43:41,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:43:41,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:43:41,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:43:41,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:43:41,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:43:41,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:43:41,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:43:41,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:43:41,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:43:41,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:43:41,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:43:41,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:43:41,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:43:41,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:43:41,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:43:41,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:43:41,935 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:43:41,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:43:41,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:43:41,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:43:41,942 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:43:41,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:43:41,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:43:41,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:43:41,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:43:41,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:43:41,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:43:41,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:43:41,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:43:41,945 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:43:41,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:43:41,945 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:43:41,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:43:41,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:43:41,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:43:41,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:43:41,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:43:41,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:43:41,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:43:41,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:43:41,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:43:41,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:43:41,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:43:41,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:43:41,951 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 -> 72ac9ef2919c90bc0529382edd84c1d0f1b36bd5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:43:42,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:43:42,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:43:42,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:43:42,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:43:42,400 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:43:42,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2019-11-20 22:43:42,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbb70cc44/e176bf8be177456b9bf7944d62db270a/FLAG785098974 [2019-11-20 22:43:43,153 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:43:43,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2019-11-20 22:43:43,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbb70cc44/e176bf8be177456b9bf7944d62db270a/FLAG785098974 [2019-11-20 22:43:43,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbb70cc44/e176bf8be177456b9bf7944d62db270a [2019-11-20 22:43:43,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:43:43,500 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:43:43,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:43:43,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:43:43,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:43:43,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:43:43" (1/1) ... [2019-11-20 22:43:43,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50168c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:43, skipping insertion in model container [2019-11-20 22:43:43,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:43:43" (1/1) ... [2019-11-20 22:43:43,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:43:43,565 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:43:43,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:43:43,901 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:43:43,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:43:44,024 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:43:44,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44 WrapperNode [2019-11-20 22:43:44,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:43:44,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:43:44,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:43:44,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:43:44,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44" (1/1) ... [2019-11-20 22:43:44,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44" (1/1) ... [2019-11-20 22:43:44,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:43:44,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:43:44,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:43:44,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:43:44,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44" (1/1) ... [2019-11-20 22:43:44,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44" (1/1) ... [2019-11-20 22:43:44,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44" (1/1) ... [2019-11-20 22:43:44,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44" (1/1) ... [2019-11-20 22:43:44,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44" (1/1) ... [2019-11-20 22:43:44,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44" (1/1) ... [2019-11-20 22:43:44,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44" (1/1) ... [2019-11-20 22:43:44,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:43:44,125 INFO L168 Benchmark]: Toolchain (without parser) took 622.94 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:43:44,128 INFO L168 Benchmark]: CDTParser took 1.64 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. [2019-11-20 22:43:44,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.68 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 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:43:44,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.03 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:43:44,144 INFO L168 Benchmark]: Boogie Preprocessor took 44.21 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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. [2019-11-20 22:43:44,152 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64 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 524.68 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 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 46.03 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.21 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...