./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/float13.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 f0b260d5621e751a2a11e1abae0e8375b5cfb29c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float13.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 f0b260d5621e751a2a11e1abae0e8375b5cfb29c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:49:43,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:43,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:43,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:43,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:43,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:43,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:43,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:43,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:43,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:43,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:43,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:43,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:43,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:43,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:43,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:43,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:43,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:43,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:43,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:43,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:43,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:43,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:43,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:43,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:43,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:43,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:43,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:43,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:43,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:43,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:43,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:43,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:43,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:43,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:43,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:43,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:43,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:43,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:43,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:43,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:43,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:49:43,784 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:43,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:43,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:43,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:43,791 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:43,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:43,794 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:43,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:49:43,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:43,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:43,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:43,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:43,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:43,801 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:43,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:43,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:43,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:43,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:43,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:43,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:43,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:43,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:43,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:43,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:43,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:43,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:49:43,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:49:43,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:43,808 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 -> f0b260d5621e751a2a11e1abae0e8375b5cfb29c [2019-11-25 22:49:44,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:44,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:44,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:44,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:44,466 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:44,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float13.c [2019-11-25 22:49:44,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99327a49f/ec731e1e2c324043b812749ffc41fb14/FLAG311f5513d [2019-11-25 22:49:45,666 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:45,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c [2019-11-25 22:49:45,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99327a49f/ec731e1e2c324043b812749ffc41fb14/FLAG311f5513d [2019-11-25 22:49:45,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99327a49f/ec731e1e2c324043b812749ffc41fb14 [2019-11-25 22:49:45,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:45,744 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:45,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:45,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:45,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:45,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:45" (1/1) ... [2019-11-25 22:49:45,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:45, skipping insertion in model container [2019-11-25 22:49:45,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:45" (1/1) ... [2019-11-25 22:49:45,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:45,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:46,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:46,310 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:46,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:46,408 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:46,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:46 WrapperNode [2019-11-25 22:49:46,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:46,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:46,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:46,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:46,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:46" (1/1) ... [2019-11-25 22:49:46,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:46" (1/1) ... [2019-11-25 22:49:46,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:46,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:46,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:46,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:46,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:46" (1/1) ... [2019-11-25 22:49:46,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:46" (1/1) ... [2019-11-25 22:49:46,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:46" (1/1) ... [2019-11-25 22:49:46,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:46" (1/1) ... [2019-11-25 22:49:46,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:46" (1/1) ... [2019-11-25 22:49:46,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:46" (1/1) ... [2019-11-25 22:49:46,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:46" (1/1) ... [2019-11-25 22:49:46,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:46,689 INFO L168 Benchmark]: Toolchain (without parser) took 938.14 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:46,691 INFO L168 Benchmark]: CDTParser took 3.82 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. [2019-11-25 22:49:46,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.80 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. [2019-11-25 22:49:46,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.54 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:46,701 INFO L168 Benchmark]: Boogie Preprocessor took 75.61 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. [2019-11-25 22:49:46,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.82 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 662.80 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 191.54 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.61 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 0.1.24-65d6cd2 [2019-11-25 22:49:50,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:50,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:50,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:50,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:50,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:50,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:50,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:50,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:50,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:50,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:50,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:50,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:50,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:50,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:50,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:50,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:50,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:50,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:50,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:50,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:50,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:50,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:50,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:50,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:50,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:50,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:50,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:50,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:50,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:50,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:50,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:50,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:50,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:50,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:50,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:50,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:50,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:50,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:50,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:50,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:50,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:49:50,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:50,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:50,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:50,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:50,846 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:50,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:50,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:50,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:50,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:50,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:50,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:50,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:50,849 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:49:50,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:49:50,851 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:50,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:50,852 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:50,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:50,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:50,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:50,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:50,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:50,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:50,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:50,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:50,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:50,858 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:49:50,858 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:49:50,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:50,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:49:50,862 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 -> f0b260d5621e751a2a11e1abae0e8375b5cfb29c [2019-11-25 22:49:51,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:51,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:51,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:51,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:51,469 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:51,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float13.c [2019-11-25 22:49:51,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6c0d0e0/c49d3585e3ba432ebcc50bd98e9873e3/FLAGe98545bd8 [2019-11-25 22:49:52,687 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:52,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c [2019-11-25 22:49:52,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6c0d0e0/c49d3585e3ba432ebcc50bd98e9873e3/FLAGe98545bd8 [2019-11-25 22:49:52,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6c0d0e0/c49d3585e3ba432ebcc50bd98e9873e3 [2019-11-25 22:49:52,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:52,754 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:52,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:52,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:52,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:52,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:52" (1/1) ... [2019-11-25 22:49:52,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e1bbb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:52, skipping insertion in model container [2019-11-25 22:49:52,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:52" (1/1) ... [2019-11-25 22:49:52,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:52,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:53,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:53,244 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:53,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:53,309 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:53,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:53 WrapperNode [2019-11-25 22:49:53,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:53,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:53,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:53,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:53,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:53" (1/1) ... [2019-11-25 22:49:53,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:53" (1/1) ... [2019-11-25 22:49:53,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:53,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:53,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:53,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:53,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:53" (1/1) ... [2019-11-25 22:49:53,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:53" (1/1) ... [2019-11-25 22:49:53,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:53" (1/1) ... [2019-11-25 22:49:53,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:53" (1/1) ... [2019-11-25 22:49:53,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:53" (1/1) ... [2019-11-25 22:49:53,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:53" (1/1) ... [2019-11-25 22:49:53,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:53" (1/1) ... [2019-11-25 22:49:53,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:53,536 INFO L168 Benchmark]: Toolchain (without parser) took 779.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:53,541 INFO L168 Benchmark]: CDTParser took 2.56 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:53,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.57 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:53,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:53,563 INFO L168 Benchmark]: Boogie Preprocessor took 65.06 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. [2019-11-25 22:49:53,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.56 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 548.57 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 153.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.06 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...