./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_Newton-2.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/inv_Newton-2.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 66b71342bd068aaa5aa0847a6efcac54b98c09c9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/inv_Newton-2.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 66b71342bd068aaa5aa0847a6efcac54b98c09c9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:03:59,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:59,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:59,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:59,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:59,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:59,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:59,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:59,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:59,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:59,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:59,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:59,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:59,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:59,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:59,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:59,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:59,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:59,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:59,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:59,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:59,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:59,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:59,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:59,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:59,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:59,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:59,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:59,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:59,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:59,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:59,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:59,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:59,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:59,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:59,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:59,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:59,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:59,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:59,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:59,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:59,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:59,927 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:59,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:59,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:59,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:59,935 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:59,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:59,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:59,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:59,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:59,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:59,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:59,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:59,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:59,938 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:59,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:59,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:59,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:59,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:59,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:59,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:59,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:59,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:59,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:59,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:59,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:59,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:59,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:59,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:59,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:59,945 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 -> 66b71342bd068aaa5aa0847a6efcac54b98c09c9 [2019-11-24 21:04:00,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:00,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:00,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:00,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:00,581 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:00,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-24 21:04:00,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1338785/755e1bfa74a645b78a7cb077aa62b991/FLAGa50471940 [2019-11-24 21:04:01,792 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:01,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-24 21:04:01,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1338785/755e1bfa74a645b78a7cb077aa62b991/FLAGa50471940 [2019-11-24 21:04:01,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1338785/755e1bfa74a645b78a7cb077aa62b991 [2019-11-24 21:04:01,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:01,865 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:01,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:01,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:01,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:01,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d4f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:01, skipping insertion in model container [2019-11-24 21:04:01,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:01" (1/1) ... [2019-11-24 21:04:01,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:01,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:02,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:02,443 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:02,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:02,660 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:02,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:02 WrapperNode [2019-11-24 21:04:02,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:02,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:02,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:02,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:02,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:02" (1/1) ... [2019-11-24 21:04:02,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:02" (1/1) ... [2019-11-24 21:04:02,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:02,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:02,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:02,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:02,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:02" (1/1) ... [2019-11-24 21:04:02,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:02" (1/1) ... [2019-11-24 21:04:02,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:02" (1/1) ... [2019-11-24 21:04:02,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:02" (1/1) ... [2019-11-24 21:04:02,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:02" (1/1) ... [2019-11-24 21:04:02,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:02" (1/1) ... [2019-11-24 21:04:02,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:02" (1/1) ... [2019-11-24 21:04:02,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:02,900 INFO L168 Benchmark]: Toolchain (without parser) took 1028.16 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:02,902 INFO L168 Benchmark]: CDTParser took 0.76 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 21:04:02,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.24 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:02,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.50 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:02,915 INFO L168 Benchmark]: Boogie Preprocessor took 103.88 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:02,925 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 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 799.24 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 996.9 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 119.50 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 103.88 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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 21:04:06,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:06,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:06,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:06,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:06,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:06,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:06,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:06,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:06,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:06,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:06,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:06,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:06,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:06,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:06,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:06,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:07,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:07,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:07,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:07,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:07,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:07,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:07,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:07,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:07,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:07,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:07,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:07,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:07,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:07,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:07,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:07,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:07,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:07,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:07,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:07,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:07,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:07,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:07,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:07,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:07,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:07,117 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:07,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:07,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:07,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:07,124 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:07,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:07,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:07,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:07,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:07,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:07,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:07,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:07,132 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:07,133 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:07,133 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:07,133 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:07,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:07,134 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:07,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:07,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:07,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:07,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:07,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:07,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:07,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:07,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:07,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:07,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:07,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:07,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:07,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:07,146 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 -> 66b71342bd068aaa5aa0847a6efcac54b98c09c9 [2019-11-24 21:04:07,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:07,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:07,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:07,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:07,762 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:07,763 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-24 21:04:07,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72ec9171/de209068437d46f0861f2746b65cdfdf/FLAG52deeec32 [2019-11-24 21:04:08,966 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:08,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-24 21:04:08,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72ec9171/de209068437d46f0861f2746b65cdfdf/FLAG52deeec32 [2019-11-24 21:04:09,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72ec9171/de209068437d46f0861f2746b65cdfdf [2019-11-24 21:04:09,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:09,035 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:09,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:09,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:09,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:09,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:09,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d4f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09, skipping insertion in model container [2019-11-24 21:04:09,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:09,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:09,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:09,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:09,578 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:09,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:09,801 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:09,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09 WrapperNode [2019-11-24 21:04:09,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:09,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:09,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:09,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:09,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:09,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:09,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:09,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:09,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:09,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:09,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:09,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:09,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:09,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:10,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:10,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:10,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:09" (1/1) ... [2019-11-24 21:04:10,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:10,069 INFO L168 Benchmark]: Toolchain (without parser) took 1029.54 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:10,073 INFO L168 Benchmark]: CDTParser took 1.39 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 21:04:10,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.12 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:10,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.02 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:10,081 INFO L168 Benchmark]: Boogie Preprocessor took 120.11 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:10,093 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 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 768.12 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 133.02 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.11 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...