./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 da95e156 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-da95e15 [2019-11-27 09:45:15,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:15,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:15,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:15,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:15,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:15,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:15,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:15,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:15,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:15,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:15,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:15,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:15,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:15,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:15,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:15,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:15,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:15,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:15,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:15,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:15,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:15,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:15,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:15,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:15,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:15,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:15,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:15,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:15,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:15,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:15,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:15,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:15,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:15,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:15,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:15,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:15,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:15,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:15,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:15,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:15,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:15,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:15,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:15,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:15,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:15,445 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:15,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:15,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:15,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:15,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:15,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:15,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:15,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:15,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:15,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:15,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:15,461 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:15,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:15,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:15,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:15,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:15,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:15,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:15,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:15,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:15,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:15,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:15,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:15,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:15,471 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 [2019-11-27 09:45:16,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:16,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:16,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:16,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:16,086 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:16,087 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-27 09:45:16,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4578aadc4/43973ed93837472bb0799aace419bde0/FLAGf82d1b93a [2019-11-27 09:45:17,248 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:17,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-27 09:45:17,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4578aadc4/43973ed93837472bb0799aace419bde0/FLAGf82d1b93a [2019-11-27 09:45:17,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4578aadc4/43973ed93837472bb0799aace419bde0 [2019-11-27 09:45:17,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:17,319 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:17,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:17,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:17,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:17,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:17" (1/1) ... [2019-11-27 09:45:17,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197a930a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:17, skipping insertion in model container [2019-11-27 09:45:17,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:17" (1/1) ... [2019-11-27 09:45:17,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:17,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:17,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:17,919 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:17,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:18,146 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:18,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18 WrapperNode [2019-11-27 09:45:18,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:18,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:18,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:18,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:18,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:18,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:18,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:18,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:18,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:18" (1/1) ... [2019-11-27 09:45:18,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:18,357 INFO L168 Benchmark]: Toolchain (without parser) took 1032.21 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. [2019-11-27 09:45:18,360 INFO L168 Benchmark]: CDTParser took 1.46 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. [2019-11-27 09:45:18,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.69 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. [2019-11-27 09:45:18,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.56 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:18,370 INFO L168 Benchmark]: Boogie Preprocessor took 103.54 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. [2019-11-27 09:45:18,381 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 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 826.69 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 93.56 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 103.54 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:22,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:22,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:22,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:22,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:22,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:22,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:22,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:22,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:22,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:22,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:22,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:22,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:22,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:22,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:22,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:22,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:22,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:22,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:22,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:22,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:22,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:22,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:22,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:22,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:22,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:22,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:22,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:22,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:22,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:22,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:22,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:22,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:22,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:22,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:22,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:22,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:22,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:22,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:22,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:22,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:22,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:22,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:22,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:22,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:22,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:22,671 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:22,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:22,673 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:22,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:22,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:22,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:22,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:22,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:22,678 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:22,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:22,680 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:22,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:22,681 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:22,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:22,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:22,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:22,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:22,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:22,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:22,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:22,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:22,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:22,689 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:22,690 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:22,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:22,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:22,691 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 [2019-11-27 09:45:23,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:23,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:23,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:23,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:23,351 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:23,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-27 09:45:23,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4c4af08/754dbe05699c49a2bc07e135b9f67e2c/FLAGaa4dae8bd [2019-11-27 09:45:24,595 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:24,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_Newton-2.c [2019-11-27 09:45:24,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4c4af08/754dbe05699c49a2bc07e135b9f67e2c/FLAGaa4dae8bd [2019-11-27 09:45:24,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4c4af08/754dbe05699c49a2bc07e135b9f67e2c [2019-11-27 09:45:24,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:24,671 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:24,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:24,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:24,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:24,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:24" (1/1) ... [2019-11-27 09:45:24,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197a930a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:24, skipping insertion in model container [2019-11-27 09:45:24,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:24" (1/1) ... [2019-11-27 09:45:24,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:24,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:25,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:25,261 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:25,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:25,512 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:25,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25 WrapperNode [2019-11-27 09:45:25,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:25,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:25,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:25,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:25,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:25,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:25,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:25,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:25,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:25,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:25,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:25,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:25,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:25,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:25,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:25,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:25,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:25" (1/1) ... [2019-11-27 09:45:25,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:25,786 INFO L168 Benchmark]: Toolchain (without parser) took 1112.38 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:25,792 INFO L168 Benchmark]: CDTParser took 3.12 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. [2019-11-27 09:45:25,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.47 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 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:25,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.79 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:25,800 INFO L168 Benchmark]: Boogie Preprocessor took 122.63 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:25,808 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.12 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 841.47 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 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 135.79 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 122.63 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...