./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sqrt_poly.c --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 22:44:44,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:44:44,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:44:44,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:44:44,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:44:44,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:44:44,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:44:44,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:44:44,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:44:44,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:44:44,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:44:44,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:44:44,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:44:44,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:44:44,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:44:44,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:44:44,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:44:44,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:44:44,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:44:44,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:44:44,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:44:44,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:44:44,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:44:44,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:44:44,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:44:44,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:44:44,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:44:44,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:44:44,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:44:44,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:44:44,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:44:44,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:44:44,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:44:44,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:44:44,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:44:44,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:44:44,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:44:44,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:44:44,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:44:44,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:44:44,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:44:44,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:44:44,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:44:44,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:44:44,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:44:44,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:44:44,743 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:44:44,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:44:44,745 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:44:44,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:44:44,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:44:44,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:44:44,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:44:44,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:44:44,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:44:44,750 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:44:44,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:44:44,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:44:44,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:44:44,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:44:44,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:44:44,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:44:44,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:44:44,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:44:44,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:44:44,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:44:44,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:44:44,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:44:44,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:44:44,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:44:44,759 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:44:45,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:44:45,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:44:45,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:44:45,334 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:44:45,335 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:44:45,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_poly.c [2019-11-20 22:44:45,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb822c6c/7da65abc571349b3b065a0b33079444c/FLAG2b3f90dfd [2019-11-20 22:44:46,540 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:44:46,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_poly.c [2019-11-20 22:44:46,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb822c6c/7da65abc571349b3b065a0b33079444c/FLAG2b3f90dfd [2019-11-20 22:44:46,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb822c6c/7da65abc571349b3b065a0b33079444c [2019-11-20 22:44:46,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:44:46,610 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:44:46,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:44:46,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:44:46,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:44:46,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:46" (1/1) ... [2019-11-20 22:44:46,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7bad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:46, skipping insertion in model container [2019-11-20 22:44:46,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:46" (1/1) ... [2019-11-20 22:44:46,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:44:46,697 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:44:47,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:44:47,111 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:44:47,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:44:47,191 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:44:47,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47 WrapperNode [2019-11-20 22:44:47,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:44:47,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:44:47,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:44:47,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:44:47,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2019-11-20 22:44:47,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2019-11-20 22:44:47,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:44:47,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:44:47,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:44:47,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:44:47,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2019-11-20 22:44:47,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2019-11-20 22:44:47,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2019-11-20 22:44:47,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2019-11-20 22:44:47,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2019-11-20 22:44:47,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2019-11-20 22:44:47,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:47" (1/1) ... [2019-11-20 22:44:47,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:44:47,404 INFO L168 Benchmark]: Toolchain (without parser) took 792.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:44:47,420 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-20 22:44:47,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.84 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. [2019-11-20 22:44:47,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.27 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-20 22:44:47,429 INFO L168 Benchmark]: Boogie Preprocessor took 40.41 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-20 22:44:47,441 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 583.84 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 160.27 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 40.41 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...