./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 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.1.24-32f2683 [2019-11-24 21:03:29,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:29,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:29,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:29,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:29,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:29,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:29,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:29,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:29,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:29,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:29,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:29,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:29,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:29,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:29,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:29,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:29,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:29,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:29,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:29,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:29,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:29,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:29,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:29,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:29,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:29,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:29,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:29,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:29,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:29,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:29,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:29,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:29,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:29,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:29,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:29,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:29,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:29,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:29,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:29,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:29,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:29,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:29,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:29,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:29,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:29,613 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:29,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:29,613 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:29,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:29,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:29,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:29,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:29,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:29,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:29,617 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:29,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:29,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:29,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:29,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:29,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:29,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:29,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:29,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:29,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:29,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:29,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:29,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:29,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:29,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:29,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:29,626 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 [2019-11-24 21:03:30,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:30,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:30,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:30,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:30,167 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:30,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2019-11-24 21:03:30,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6e4bc2d5/cf752742e1e64ea4aaf8cbb11b529d2e/FLAG81f316673 [2019-11-24 21:03:31,335 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:31,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2019-11-24 21:03:31,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6e4bc2d5/cf752742e1e64ea4aaf8cbb11b529d2e/FLAG81f316673 [2019-11-24 21:03:31,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6e4bc2d5/cf752742e1e64ea4aaf8cbb11b529d2e [2019-11-24 21:03:31,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:31,406 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:31,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:31,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:31,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:31,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:31" (1/1) ... [2019-11-24 21:03:31,431 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 24.11 09:03:31, skipping insertion in model container [2019-11-24 21:03:31,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:31" (1/1) ... [2019-11-24 21:03:31,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:31,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:31,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:32,013 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:32,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:32,104 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:32,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:32 WrapperNode [2019-11-24 21:03:32,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:32,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:32,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:32,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:32,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:32" (1/1) ... [2019-11-24 21:03:32,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:32" (1/1) ... [2019-11-24 21:03:32,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:32,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:32,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:32,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:32,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:32" (1/1) ... [2019-11-24 21:03:32,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:32" (1/1) ... [2019-11-24 21:03:32,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:32" (1/1) ... [2019-11-24 21:03:32,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:32" (1/1) ... [2019-11-24 21:03:32,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:32" (1/1) ... [2019-11-24 21:03:32,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:32" (1/1) ... [2019-11-24 21:03:32,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:32" (1/1) ... [2019-11-24 21:03:32,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:32,321 INFO L168 Benchmark]: Toolchain (without parser) took 912.51 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. [2019-11-24 21:03:32,323 INFO L168 Benchmark]: CDTParser took 3.70 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:32,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.93 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. [2019-11-24 21:03:32,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.34 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 991.4 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:32,329 INFO L168 Benchmark]: Boogie Preprocessor took 26.03 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:32,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.70 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 695.93 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 180.34 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 991.4 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 26.03 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:03:36,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:36,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:36,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:36,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:36,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:36,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:36,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:36,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:36,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:36,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:36,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:36,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:36,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:36,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:36,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:36,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:36,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:36,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:36,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:36,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:36,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:36,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:36,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:36,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:36,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:36,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:36,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:36,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:36,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:36,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:36,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:36,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:36,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:36,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:36,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:36,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:36,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:36,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:36,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:36,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:36,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:03:36,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:36,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:36,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:36,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:36,464 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:36,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:36,468 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:36,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:36,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:36,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:36,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:36,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:36,471 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:36,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:03:36,474 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:03:36,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:36,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:36,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:36,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:36,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:36,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:36,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:36,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:36,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:36,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:36,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:36,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:36,485 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:03:36,485 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:03:36,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:36,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:03:36,488 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 [2019-11-24 21:03:37,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:37,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:37,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:37,062 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:37,067 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:37,068 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2019-11-24 21:03:37,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8954296bc/17a104314ba0410dadcf61098e2158e1/FLAG144b1d9bf [2019-11-24 21:03:38,228 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:38,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2019-11-24 21:03:38,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8954296bc/17a104314ba0410dadcf61098e2158e1/FLAG144b1d9bf [2019-11-24 21:03:38,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8954296bc/17a104314ba0410dadcf61098e2158e1 [2019-11-24 21:03:38,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:38,530 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:38,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:38,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:38,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:38,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:38" (1/1) ... [2019-11-24 21:03:38,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d2104c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:38, skipping insertion in model container [2019-11-24 21:03:38,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:38" (1/1) ... [2019-11-24 21:03:38,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:38,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:39,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:39,106 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:39,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:39,267 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:39,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:39 WrapperNode [2019-11-24 21:03:39,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:39,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:39,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:39,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:39,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:39" (1/1) ... [2019-11-24 21:03:39,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:39" (1/1) ... [2019-11-24 21:03:39,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:39,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:39,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:39,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:39,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:39" (1/1) ... [2019-11-24 21:03:39,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:39" (1/1) ... [2019-11-24 21:03:39,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:39" (1/1) ... [2019-11-24 21:03:39,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:39" (1/1) ... [2019-11-24 21:03:39,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:39" (1/1) ... [2019-11-24 21:03:39,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:39" (1/1) ... [2019-11-24 21:03:39,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:39" (1/1) ... [2019-11-24 21:03:39,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:39,409 INFO L168 Benchmark]: Toolchain (without parser) took 875.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:39,411 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:39,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:39,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.71 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:39,416 INFO L168 Benchmark]: Boogie Preprocessor took 48.79 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:39,424 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 740.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 78.71 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.79 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...