./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/digits_for.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/digits_for.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 321b51d0a4be5d70ed778a7774fea7a202a0dd74 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-esbmc-regression/digits_for.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 321b51d0a4be5d70ed778a7774fea7a202a0dd74 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:42,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:42,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:42,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:42,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:42,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:42,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:42,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:42,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:42,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:42,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:42,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:42,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:42,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:42,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:42,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:42,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:42,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:42,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:42,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:42,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:42,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:42,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:42,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:42,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:42,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:42,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:42,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:42,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:42,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:42,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:42,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:42,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:42,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:42,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:42,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:42,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:42,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:42,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:42,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:42,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:42,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:42,692 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:42,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:42,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:42,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:42,701 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:42,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:42,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:42,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:42,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:42,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:42,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:42,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:42,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:42,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:42,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:42,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:42,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:42,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:42,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:42,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:42,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:42,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:42,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:42,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:42,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:42,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:42,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:42,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:42,719 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 -> 321b51d0a4be5d70ed778a7774fea7a202a0dd74 [2019-11-27 09:45:43,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:43,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:43,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:43,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:43,303 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:43,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2019-11-27 09:45:43,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d5cd0b1b/6459bee7596a4f7fb358b8b567f0a2fe/FLAGf24862d44 [2019-11-27 09:45:44,541 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:44,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2019-11-27 09:45:44,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d5cd0b1b/6459bee7596a4f7fb358b8b567f0a2fe/FLAGf24862d44 [2019-11-27 09:45:44,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d5cd0b1b/6459bee7596a4f7fb358b8b567f0a2fe [2019-11-27 09:45:44,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:44,613 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:44,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:44,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:44,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:44,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:44" (1/1) ... [2019-11-27 09:45:44,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c68b475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:44, skipping insertion in model container [2019-11-27 09:45:44,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:44" (1/1) ... [2019-11-27 09:45:44,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:44,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:45,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:45,162 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:45,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:45,229 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:45,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:45 WrapperNode [2019-11-27 09:45:45,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:45,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:45,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:45,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:45,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:45" (1/1) ... [2019-11-27 09:45:45,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:45" (1/1) ... [2019-11-27 09:45:45,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:45,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:45,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:45,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:45,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:45" (1/1) ... [2019-11-27 09:45:45,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:45" (1/1) ... [2019-11-27 09:45:45,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:45" (1/1) ... [2019-11-27 09:45:45,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:45" (1/1) ... [2019-11-27 09:45:45,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:45" (1/1) ... [2019-11-27 09:45:45,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:45" (1/1) ... [2019-11-27 09:45:45,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:45" (1/1) ... [2019-11-27 09:45:45,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:45,469 INFO L168 Benchmark]: Toolchain (without parser) took 848.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:45,471 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:45,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.32 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:45,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.83 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:45,482 INFO L168 Benchmark]: Boogie Preprocessor took 63.29 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:45,492 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 614.32 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 155.83 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.29 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:49,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:49,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:49,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:49,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:49,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:49,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:49,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:49,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:49,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:49,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:49,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:49,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:49,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:49,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:49,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:49,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:49,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:49,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:49,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:49,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:49,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:49,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:49,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:49,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:49,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:49,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:49,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:49,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:49,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:49,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:49,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:49,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:49,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:49,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:49,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:49,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:49,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:49,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:49,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:49,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:49,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:49,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:49,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:49,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:49,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:49,599 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:49,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:49,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:49,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:49,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:49,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:49,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:49,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:49,604 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:49,607 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:49,608 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:49,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:49,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:49,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:49,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:49,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:49,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:49,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:49,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:49,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:49,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:49,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:49,614 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:49,615 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:49,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:49,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:49,620 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 -> 321b51d0a4be5d70ed778a7774fea7a202a0dd74 [2019-11-27 09:45:50,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:50,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:50,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:50,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:50,240 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:50,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2019-11-27 09:45:50,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40722f4f7/6899eef733ca40dd9f825d971cfdba67/FLAG72ac9087c [2019-11-27 09:45:51,440 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:51,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/digits_for.c [2019-11-27 09:45:51,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40722f4f7/6899eef733ca40dd9f825d971cfdba67/FLAG72ac9087c [2019-11-27 09:45:51,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40722f4f7/6899eef733ca40dd9f825d971cfdba67 [2019-11-27 09:45:51,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:51,507 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:51,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:51,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:51,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:51,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:51" (1/1) ... [2019-11-27 09:45:51,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:51, skipping insertion in model container [2019-11-27 09:45:51,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:51" (1/1) ... [2019-11-27 09:45:51,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:51,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:52,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:52,027 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:52,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:52,122 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:52,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:52 WrapperNode [2019-11-27 09:45:52,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:52,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:52,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:52,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:52,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:52" (1/1) ... [2019-11-27 09:45:52,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:52" (1/1) ... [2019-11-27 09:45:52,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:52,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:52,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:52,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:52,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:52" (1/1) ... [2019-11-27 09:45:52,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:52" (1/1) ... [2019-11-27 09:45:52,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:52" (1/1) ... [2019-11-27 09:45:52,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:52" (1/1) ... [2019-11-27 09:45:52,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:52" (1/1) ... [2019-11-27 09:45:52,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:52" (1/1) ... [2019-11-27 09:45:52,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:52" (1/1) ... [2019-11-27 09:45:52,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:52,412 INFO L168 Benchmark]: Toolchain (without parser) took 902.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:52,414 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-27 09:45:52,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.81 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. [2019-11-27 09:45:52,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.10 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 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:52,420 INFO L168 Benchmark]: Boogie Preprocessor took 92.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:52,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 615.81 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 187.10 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 996.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.77 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...