./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/digits_while.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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_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 a66ac4416cb947b90b39aaec485ff1b6924bd5ac ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_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 a66ac4416cb947b90b39aaec485ff1b6924bd5ac ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:07:32,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:32,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:32,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:32,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:32,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:32,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:32,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:32,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:32,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:32,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:32,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:32,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:32,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:32,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:32,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:32,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:32,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:32,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:32,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:32,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:32,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:32,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:32,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:32,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:32,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:32,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:32,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:32,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:32,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:32,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:32,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:32,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:32,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:32,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:32,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:32,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:32,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:32,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:32,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:32,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:32,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:32,838 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:32,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:32,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:32,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:32,848 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:32,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:32,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:32,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:32,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:32,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:32,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:32,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:32,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:32,855 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:32,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:32,856 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:32,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:32,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:32,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:32,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:32,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:32,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:32,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:32,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:32,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:32,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:32,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:32,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:32,867 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 -> a66ac4416cb947b90b39aaec485ff1b6924bd5ac [2019-11-27 16:07:33,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:33,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:33,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:33,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:33,484 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:33,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/digits_while.c [2019-11-27 16:07:33,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773ef442c/067014bb4e464390a5c3142f0d99a663/FLAGbee64a979 [2019-11-27 16:07:34,581 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:34,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/digits_while.c [2019-11-27 16:07:34,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773ef442c/067014bb4e464390a5c3142f0d99a663/FLAGbee64a979 [2019-11-27 16:07:34,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773ef442c/067014bb4e464390a5c3142f0d99a663 [2019-11-27 16:07:34,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:34,783 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:34,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:34,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:34,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:34,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46807bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:34, skipping insertion in model container [2019-11-27 16:07:34,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:34" (1/1) ... [2019-11-27 16:07:34,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:34,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:35,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:35,275 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:35,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:35,329 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:35,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:35 WrapperNode [2019-11-27 16:07:35,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:35,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:35,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:35,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:35,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:35" (1/1) ... [2019-11-27 16:07:35,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:35" (1/1) ... [2019-11-27 16:07:35,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:35,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:35,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:35,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:35,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:35" (1/1) ... [2019-11-27 16:07:35,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:35" (1/1) ... [2019-11-27 16:07:35,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:35" (1/1) ... [2019-11-27 16:07:35,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:35" (1/1) ... [2019-11-27 16:07:35,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:35" (1/1) ... [2019-11-27 16:07:35,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:35" (1/1) ... [2019-11-27 16:07:35,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:35" (1/1) ... [2019-11-27 16:07:35,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:35,545 INFO L168 Benchmark]: Toolchain (without parser) took 762.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 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. [2019-11-27 16:07:35,547 INFO L168 Benchmark]: CDTParser took 0.45 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 16:07:35,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.28 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:35,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 997.0 MB in the end (delta: -48.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:35,552 INFO L168 Benchmark]: Boogie Preprocessor took 44.33 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. [2019-11-27 16:07:35,574 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 544.28 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.6 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 157.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 997.0 MB in the end (delta: -48.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.33 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 0.1.24-509859d [2019-11-27 16:07:39,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:39,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:39,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:39,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:39,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:39,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:39,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:39,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:39,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:39,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:39,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:39,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:39,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:39,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:39,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:39,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:39,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:39,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:39,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:39,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:39,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:39,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:39,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:39,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:39,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:39,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:39,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:39,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:39,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:39,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:39,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:39,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:39,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:39,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:39,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:39,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:39,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:39,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:39,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:39,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:39,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:39,869 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:39,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:39,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:39,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:39,877 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:39,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:39,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:39,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:39,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:39,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:39,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:39,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:39,882 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:39,883 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:39,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:39,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:39,884 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:39,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:39,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:39,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:39,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:39,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:39,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:39,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:39,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:39,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:39,893 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:39,893 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:39,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:39,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:39,895 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 -> a66ac4416cb947b90b39aaec485ff1b6924bd5ac [2019-11-27 16:07:40,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:40,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:40,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:40,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:40,574 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:40,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/digits_while.c [2019-11-27 16:07:40,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45e562dc/b70f176547eb4052b42bb98fa1de9bc0/FLAGfa3a40f2e [2019-11-27 16:07:41,843 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:41,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/digits_while.c [2019-11-27 16:07:41,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45e562dc/b70f176547eb4052b42bb98fa1de9bc0/FLAGfa3a40f2e [2019-11-27 16:07:41,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45e562dc/b70f176547eb4052b42bb98fa1de9bc0 [2019-11-27 16:07:41,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:41,919 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:41,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:41,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:41,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:41,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,947 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 04:07:41, skipping insertion in model container [2019-11-27 16:07:41,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:41" (1/1) ... [2019-11-27 16:07:41,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:42,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:42,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:42,547 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:42,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:42,631 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:42,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:42 WrapperNode [2019-11-27 16:07:42,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:42,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:42,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:42,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:42,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:42" (1/1) ... [2019-11-27 16:07:42,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:42" (1/1) ... [2019-11-27 16:07:42,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:42,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:42,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:42,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:42,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:42" (1/1) ... [2019-11-27 16:07:42,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:42" (1/1) ... [2019-11-27 16:07:42,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:42" (1/1) ... [2019-11-27 16:07:42,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:42" (1/1) ... [2019-11-27 16:07:42,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:42" (1/1) ... [2019-11-27 16:07:42,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:42" (1/1) ... [2019-11-27 16:07:42,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:42" (1/1) ... [2019-11-27 16:07:42,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:42,928 INFO L168 Benchmark]: Toolchain (without parser) took 1003.14 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 16:07:42,931 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. [2019-11-27 16:07:42,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.37 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 16:07:42,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.60 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 16:07:42,940 INFO L168 Benchmark]: Boogie Preprocessor took 93.70 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 16:07:42,951 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 715.37 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 186.60 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 93.70 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...