./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float11.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-cbmc-regression/float11.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 fab445bb6a3fd0ca18877c7d743999434d4122d2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float11.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 fab445bb6a3fd0ca18877c7d743999434d4122d2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:44:45,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:45,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:45,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:45,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:45,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:45,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:45,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:45,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:45,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:45,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:45,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:45,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:45,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:45,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:45,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:45,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:45,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:45,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:45,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:45,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:45,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:45,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:45,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:45,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:45,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:45,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:45,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:45,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:45,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:45,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:45,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:45,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:45,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:45,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:45,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:45,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:45,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:45,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:45,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:45,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:45,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:44:45,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:45,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:45,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:45,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:45,667 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:45,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:45,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:45,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:44:45,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:45,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:45,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:45,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:45,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:45,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:45,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:45,676 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:45,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:45,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:45,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:45,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:45,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:45,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:45,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:45,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:45,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:45,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:44:45,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:44:45,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:45,683 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 -> fab445bb6a3fd0ca18877c7d743999434d4122d2 [2019-11-27 09:44:46,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:46,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:46,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:46,289 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:46,290 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:46,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float11.c [2019-11-27 09:44:46,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5356fe3e8/9b4d193a4a844d10b5b4389a4a430383/FLAG2fb240aed [2019-11-27 09:44:47,528 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:47,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float11.c [2019-11-27 09:44:47,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5356fe3e8/9b4d193a4a844d10b5b4389a4a430383/FLAG2fb240aed [2019-11-27 09:44:47,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5356fe3e8/9b4d193a4a844d10b5b4389a4a430383 [2019-11-27 09:44:47,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:47,603 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:47,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:47,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:47,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:47,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:47" (1/1) ... [2019-11-27 09:44:47,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e81e209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:47, skipping insertion in model container [2019-11-27 09:44:47,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:47" (1/1) ... [2019-11-27 09:44:47,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:47,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:48,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:48,164 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:48,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:48,352 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:48,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48 WrapperNode [2019-11-27 09:44:48,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:48,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:48,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:48,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:48,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:48,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:48,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:48,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:48,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:48" (1/1) ... [2019-11-27 09:44:48,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:48,566 INFO L168 Benchmark]: Toolchain (without parser) took 953.27 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:48,568 INFO L168 Benchmark]: CDTParser took 3.00 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 09:44:48,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:48,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.97 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:48,575 INFO L168 Benchmark]: Boogie Preprocessor took 76.12 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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 09:44:48,585 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.00 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 752.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 116.97 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 76.12 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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-da95e15 [2019-11-27 09:44:52,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:52,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:52,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:52,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:52,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:52,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:52,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:52,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:52,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:52,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:52,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:52,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:52,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:52,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:52,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:52,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:52,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:52,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:52,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:52,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:52,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:52,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:52,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:52,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:52,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:52,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:52,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:52,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:52,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:52,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:52,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:52,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:52,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:52,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:52,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:52,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:52,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:52,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:52,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:52,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:52,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:44:52,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:52,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:52,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:52,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:52,815 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:52,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:52,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:52,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:52,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:52,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:52,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:52,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:52,822 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:44:52,823 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:44:52,823 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:52,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:52,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:52,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:52,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:52,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:52,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:52,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:52,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:52,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:52,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:52,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:52,832 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:44:52,832 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:44:52,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:52,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:44:52,834 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 -> fab445bb6a3fd0ca18877c7d743999434d4122d2 [2019-11-27 09:44:53,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:53,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:53,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:53,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:53,457 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:53,461 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float11.c [2019-11-27 09:44:53,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9c2c574/cb37354853654aa993c0512ed4ea451c/FLAGcf83aaf9e [2019-11-27 09:44:54,612 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:54,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float11.c [2019-11-27 09:44:54,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9c2c574/cb37354853654aa993c0512ed4ea451c/FLAGcf83aaf9e [2019-11-27 09:44:54,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9c2c574/cb37354853654aa993c0512ed4ea451c [2019-11-27 09:44:54,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:54,792 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:54,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:54,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:54,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:54,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:54" (1/1) ... [2019-11-27 09:44:54,813 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 27.11 09:44:54, skipping insertion in model container [2019-11-27 09:44:54,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:54" (1/1) ... [2019-11-27 09:44:54,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:54,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:55,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:55,360 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:55,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:55,596 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:55,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:55 WrapperNode [2019-11-27 09:44:55,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:55,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:55,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:55,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:55,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:55" (1/1) ... [2019-11-27 09:44:55,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:55" (1/1) ... [2019-11-27 09:44:55,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:55,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:55,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:55,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:55,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:55" (1/1) ... [2019-11-27 09:44:55,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:55" (1/1) ... [2019-11-27 09:44:55,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:55" (1/1) ... [2019-11-27 09:44:55,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:55" (1/1) ... [2019-11-27 09:44:55,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:55" (1/1) ... [2019-11-27 09:44:55,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:55" (1/1) ... [2019-11-27 09:44:55,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:55" (1/1) ... [2019-11-27 09:44:55,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:55,848 INFO L168 Benchmark]: Toolchain (without parser) took 1053.32 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 989.8 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:55,855 INFO L168 Benchmark]: CDTParser took 0.42 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 09:44:55,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.92 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 991.2 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:55,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.74 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:55,867 INFO L168 Benchmark]: Boogie Preprocessor took 100.86 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:55,876 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 809.92 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 991.2 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.74 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 100.86 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...