./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.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-esbmc-regression/digits_bad_while.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 44a75a2a01bcbf17136f5f47a4b3b298e724e042 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_bad_while.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 44a75a2a01bcbf17136f5f47a4b3b298e724e042 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:04:26,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:26,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:26,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:26,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:26,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:26,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:26,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:26,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:26,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:26,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:26,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:26,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:26,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:26,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:26,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:26,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:26,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:26,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:26,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:26,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:26,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:26,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:26,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:26,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:26,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:26,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:26,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:26,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:26,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:26,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:26,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:26,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:26,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:26,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:26,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:26,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:26,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:26,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:26,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:26,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:26,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:04:26,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:26,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:26,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:26,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:26,632 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:26,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:26,632 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:26,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:04:26,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:26,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:26,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:26,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:26,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:26,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:26,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:26,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:26,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:26,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:26,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:26,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:26,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:26,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:26,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:26,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:26,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:26,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:26,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:04:26,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:04:26,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:26,641 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 -> 44a75a2a01bcbf17136f5f47a4b3b298e724e042 [2019-11-24 21:04:27,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:27,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:27,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:27,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:27,152 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:27,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2019-11-24 21:04:27,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0945aaaaa/cbe1b5a038594e0485a4b8cc561a8f7e/FLAG1b6290aef [2019-11-24 21:04:27,995 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:27,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2019-11-24 21:04:28,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0945aaaaa/cbe1b5a038594e0485a4b8cc561a8f7e/FLAG1b6290aef [2019-11-24 21:04:28,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0945aaaaa/cbe1b5a038594e0485a4b8cc561a8f7e [2019-11-24 21:04:28,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:28,330 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:28,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:28,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:28,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:28,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f8f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28, skipping insertion in model container [2019-11-24 21:04:28,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:28,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:28,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:28,728 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:28,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:28,786 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:28,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28 WrapperNode [2019-11-24 21:04:28,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:28,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:28,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:28,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:28,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:28,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:28,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:28,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:28,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:28" (1/1) ... [2019-11-24 21:04:28,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:28,973 INFO L168 Benchmark]: Toolchain (without parser) took 640.19 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 991.3 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:28,975 INFO L168 Benchmark]: CDTParser took 0.65 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 21:04:28,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.12 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:28,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.49 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:28,989 INFO L168 Benchmark]: Boogie Preprocessor took 42.79 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:28,997 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 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 455.12 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 134.49 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 42.79 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:04:31,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:31,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:31,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:31,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:31,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:31,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:31,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:31,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:31,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:31,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:31,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:31,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:31,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:31,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:31,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:31,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:31,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:31,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:31,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:31,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:31,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:31,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:31,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:31,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:31,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:31,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:31,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:31,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:31,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:31,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:31,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:31,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:31,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:31,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:31,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:31,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:31,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:31,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:31,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:31,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:31,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:31,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:31,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:31,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:31,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:31,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:31,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:31,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:31,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:31,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:31,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:31,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:31,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:31,972 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:31,974 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:31,974 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:31,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:31,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:31,975 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:31,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:31,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:31,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:31,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:31,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:31,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:31,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:31,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:31,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:31,980 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:31,980 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:31,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:31,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:31,982 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 -> 44a75a2a01bcbf17136f5f47a4b3b298e724e042 [2019-11-24 21:04:32,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:32,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:32,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:32,476 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:32,477 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:32,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2019-11-24 21:04:32,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70441e854/f953de20c01543bfba9688552edd4457/FLAG9639682d6 [2019-11-24 21:04:33,276 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:33,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while.c [2019-11-24 21:04:33,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70441e854/f953de20c01543bfba9688552edd4457/FLAG9639682d6 [2019-11-24 21:04:33,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70441e854/f953de20c01543bfba9688552edd4457 [2019-11-24 21:04:33,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:33,616 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:33,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:33,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:33,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:33,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:33" (1/1) ... [2019-11-24 21:04:33,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f182920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:33, skipping insertion in model container [2019-11-24 21:04:33,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:33" (1/1) ... [2019-11-24 21:04:33,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:33,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:34,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:34,032 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:34,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:34,102 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:34,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:34 WrapperNode [2019-11-24 21:04:34,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:34,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:34,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:34,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:34,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:34" (1/1) ... [2019-11-24 21:04:34,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:34" (1/1) ... [2019-11-24 21:04:34,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:34,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:34,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:34,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:34,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:34" (1/1) ... [2019-11-24 21:04:34,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:34" (1/1) ... [2019-11-24 21:04:34,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:34" (1/1) ... [2019-11-24 21:04:34,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:34" (1/1) ... [2019-11-24 21:04:34,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:34" (1/1) ... [2019-11-24 21:04:34,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:34" (1/1) ... [2019-11-24 21:04:34,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:34" (1/1) ... [2019-11-24 21:04:34,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:34,300 INFO L168 Benchmark]: Toolchain (without parser) took 685.71 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 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:34,302 INFO L168 Benchmark]: CDTParser took 0.21 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 21:04:34,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.05 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:34,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 991.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:34,306 INFO L168 Benchmark]: Boogie Preprocessor took 50.28 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:34,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 489.05 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 138.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 991.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.28 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 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...