./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.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 9ab995f7fc826665e07ee96ac8969470b0927c50 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/floats-cbmc-regression/float-to-double2.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 9ab995f7fc826665e07ee96ac8969470b0927c50 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:29,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:29,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:29,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:29,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:29,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:29,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:29,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:29,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:29,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:29,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:29,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:29,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:29,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:29,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:29,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:29,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:29,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:29,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:29,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:29,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:29,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:29,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:29,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:29,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:29,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:29,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:29,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:29,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:29,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:29,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:29,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:29,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:29,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:29,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:29,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:29,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:29,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:29,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:29,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:29,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:29,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:29,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:29,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:29,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:29,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:29,522 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:29,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:29,523 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:29,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:29,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:29,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:29,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:29,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:29,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:29,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:29,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:29,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:29,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:29,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:29,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:29,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:29,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:29,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:29,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:29,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:29,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:29,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:29,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:29,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:29,536 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 -> 9ab995f7fc826665e07ee96ac8969470b0927c50 [2019-11-26 16:57:30,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:30,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:30,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:30,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:30,099 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:30,100 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2019-11-26 16:57:30,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f80c0f23c/38f02f2b3f8649cd91fd07c70165bfef/FLAG57761f376 [2019-11-26 16:57:31,276 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:31,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2019-11-26 16:57:31,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f80c0f23c/38f02f2b3f8649cd91fd07c70165bfef/FLAG57761f376 [2019-11-26 16:57:31,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f80c0f23c/38f02f2b3f8649cd91fd07c70165bfef [2019-11-26 16:57:31,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:31,570 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:31,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:31,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:31,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:31,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:31" (1/1) ... [2019-11-26 16:57:31,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccb7bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:31, skipping insertion in model container [2019-11-26 16:57:31,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:31" (1/1) ... [2019-11-26 16:57:31,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:31,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:32,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:32,075 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:32,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:32,229 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:32,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32 WrapperNode [2019-11-26 16:57:32,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:32,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:32,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:32,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:32,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:32,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:32,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:32,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:32,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:32" (1/1) ... [2019-11-26 16:57:32,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:32,379 INFO L168 Benchmark]: Toolchain (without parser) took 804.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.5 MB in the end (delta: -31.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:32,380 INFO L168 Benchmark]: CDTParser took 1.59 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. [2019-11-26 16:57:32,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.5 MB in the end (delta: -31.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:32,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:32,391 INFO L168 Benchmark]: Boogie Preprocessor took 45.46 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:32,398 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59 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 657.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.5 MB in the end (delta: -31.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 87.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 45.46 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 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 0.1.24-025d5a2 [2019-11-26 16:57:36,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:36,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:36,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:36,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:36,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:36,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:36,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:36,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:36,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:36,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:36,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:36,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:36,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:36,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:36,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:36,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:36,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:36,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:36,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:36,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:36,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:36,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:36,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:36,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:36,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:36,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:36,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:36,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:36,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:36,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:36,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:36,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:36,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:36,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:36,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:36,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:36,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:36,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:36,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:36,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:36,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:36,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:36,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:36,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:36,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:36,483 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:36,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:36,484 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:36,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:36,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:36,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:36,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:36,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:36,489 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:36,489 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:36,490 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:36,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:36,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:36,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:36,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:36,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:36,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:36,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:36,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:36,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:36,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:36,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:36,499 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:36,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:36,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:36,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:36,501 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 -> 9ab995f7fc826665e07ee96ac8969470b0927c50 [2019-11-26 16:57:37,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:37,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:37,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:37,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:37,108 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:37,110 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2019-11-26 16:57:37,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95cce0c1b/b892b5c0c9a54ec0badc1e3652cab639/FLAG41cad7d0b [2019-11-26 16:57:38,276 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:38,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2019-11-26 16:57:38,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95cce0c1b/b892b5c0c9a54ec0badc1e3652cab639/FLAG41cad7d0b [2019-11-26 16:57:38,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95cce0c1b/b892b5c0c9a54ec0badc1e3652cab639 [2019-11-26 16:57:38,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:38,350 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:38,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:38,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:38,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:38,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:38" (1/1) ... [2019-11-26 16:57:38,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6758708e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:38, skipping insertion in model container [2019-11-26 16:57:38,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:38" (1/1) ... [2019-11-26 16:57:38,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:38,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:38,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:38,921 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:38,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:39,001 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:39,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39 WrapperNode [2019-11-26 16:57:39,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:39,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:39,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:39,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:39,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:39,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:39,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:39,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:39,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:39,202 INFO L168 Benchmark]: Toolchain (without parser) took 851.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:39,205 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:39,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.27 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:39,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:39,208 INFO L168 Benchmark]: Boogie Preprocessor took 35.58 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. [2019-11-26 16:57:39,224 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 650.27 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 155.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 35.58 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...