./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sqrt_poly.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/sqrt_poly.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 8a4836c40967b3aafd0bbb2ea7228f657b02305b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/sqrt_poly.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 8a4836c40967b3aafd0bbb2ea7228f657b02305b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:45:30,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:30,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:30,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:30,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:30,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:30,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:30,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:30,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:30,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:30,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:30,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:30,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:30,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:30,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:30,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:30,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:30,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:30,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:30,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:30,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:30,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:30,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:30,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:30,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:30,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:30,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:30,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:30,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:30,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:30,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:30,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:30,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:30,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:30,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:30,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:30,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:30,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:30,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:30,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:30,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:30,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:30,468 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:30,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:30,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:30,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:30,476 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:30,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:30,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:30,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:30,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:30,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:30,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:30,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:30,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:30,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:30,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:30,485 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:30,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:30,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:30,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:30,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:30,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:30,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:30,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:30,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:30,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:30,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:30,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:30,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:30,492 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 -> 8a4836c40967b3aafd0bbb2ea7228f657b02305b [2019-11-27 09:45:31,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:31,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:31,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:31,179 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:31,185 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:31,186 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_poly.c [2019-11-27 09:45:31,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a23dfb11b/afe96ba6f1c04e3cb11e5afabdc59297/FLAG7be69879e [2019-11-27 09:45:32,309 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:32,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_poly.c [2019-11-27 09:45:32,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a23dfb11b/afe96ba6f1c04e3cb11e5afabdc59297/FLAG7be69879e [2019-11-27 09:45:32,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a23dfb11b/afe96ba6f1c04e3cb11e5afabdc59297 [2019-11-27 09:45:32,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:32,495 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:32,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:32,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:32,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:32,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:32" (1/1) ... [2019-11-27 09:45:32,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9c6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:32, skipping insertion in model container [2019-11-27 09:45:32,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:32" (1/1) ... [2019-11-27 09:45:32,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:32,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:32,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:33,008 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:33,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:33,062 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:33,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:33 WrapperNode [2019-11-27 09:45:33,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:33,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:33,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:33,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:33,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:33" (1/1) ... [2019-11-27 09:45:33,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:33" (1/1) ... [2019-11-27 09:45:33,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:33,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:33,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:33,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:33,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:33" (1/1) ... [2019-11-27 09:45:33,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:33" (1/1) ... [2019-11-27 09:45:33,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:33" (1/1) ... [2019-11-27 09:45:33,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:33" (1/1) ... [2019-11-27 09:45:33,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:33" (1/1) ... [2019-11-27 09:45:33,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:33" (1/1) ... [2019-11-27 09:45:33,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:33" (1/1) ... [2019-11-27 09:45:33,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:33,268 INFO L168 Benchmark]: Toolchain (without parser) took 767.39 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. [2019-11-27 09:45:33,270 INFO L168 Benchmark]: CDTParser took 0.33 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 09:45:33,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.45 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:33,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:33,291 INFO L168 Benchmark]: Boogie Preprocessor took 52.84 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:33,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 567.45 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 135.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.84 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:37,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:37,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:37,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:37,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:37,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:37,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:37,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:37,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:37,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:37,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:37,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:37,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:37,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:37,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:37,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:37,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:37,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:37,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:37,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:37,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:37,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:37,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:37,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:37,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:37,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:37,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:37,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:37,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:37,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:37,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:37,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:37,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:37,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:37,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:37,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:37,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:37,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:37,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:37,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:37,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:37,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:37,393 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:37,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:37,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:37,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:37,403 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:37,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:37,408 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:37,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:37,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:37,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:37,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:37,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:37,411 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:37,411 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:37,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:37,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:37,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:37,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:37,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:37,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:37,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:37,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:37,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:37,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:37,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:37,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:37,419 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:37,420 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:37,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:37,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:37,422 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 -> 8a4836c40967b3aafd0bbb2ea7228f657b02305b [2019-11-27 09:45:37,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:38,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:38,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:38,037 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:38,040 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:38,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_poly.c [2019-11-27 09:45:38,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69bdd1bbd/8d3e4908fc5c4c95a09643a2fa0f98ee/FLAG72d997332 [2019-11-27 09:45:39,154 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:39,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_poly.c [2019-11-27 09:45:39,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69bdd1bbd/8d3e4908fc5c4c95a09643a2fa0f98ee/FLAG72d997332 [2019-11-27 09:45:39,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69bdd1bbd/8d3e4908fc5c4c95a09643a2fa0f98ee [2019-11-27 09:45:39,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:39,355 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:39,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:39,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:39,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:39,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:39" (1/1) ... [2019-11-27 09:45:39,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab76006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:39, skipping insertion in model container [2019-11-27 09:45:39,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:39" (1/1) ... [2019-11-27 09:45:39,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:39,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:39,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:39,914 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:39,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:40,017 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:40,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40 WrapperNode [2019-11-27 09:45:40,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:40,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:40,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:40,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:40,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:40,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:40,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:40,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:40,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:40" (1/1) ... [2019-11-27 09:45:40,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:40,279 INFO L168 Benchmark]: Toolchain (without parser) took 924.47 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:40,281 INFO L168 Benchmark]: CDTParser took 0.36 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 09:45:40,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.71 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:40,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:40,305 INFO L168 Benchmark]: Boogie Preprocessor took 65.69 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:40,317 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 660.71 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.69 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 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...