./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/drift_tenth.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/float-benchs/drift_tenth.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 ebf754a3963f6f2e62a58c5af4648497776f95f2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/float-benchs/drift_tenth.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 ebf754a3963f6f2e62a58c5af4648497776f95f2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:02,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:02,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:02,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:02,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:02,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:02,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:02,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:02,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:02,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:02,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:02,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:02,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:02,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:02,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:02,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:02,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:02,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:02,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:02,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:02,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:02,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:02,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:02,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:02,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:02,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:02,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:02,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:02,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:02,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:02,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:02,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:02,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:02,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:02,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:02,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:02,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:02,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:02,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:02,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:02,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:02,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:03,040 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:03,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:03,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:03,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:03,055 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:03,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:03,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:03,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:03,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:03,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:03,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:03,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:03,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:03,059 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:03,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:03,062 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:03,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:03,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:03,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:03,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:03,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:03,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:03,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:03,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:03,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:03,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:03,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:03,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:03,068 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 -> ebf754a3963f6f2e62a58c5af4648497776f95f2 [2019-11-27 09:45:03,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:03,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:03,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:03,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:03,656 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:03,657 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-27 09:45:03,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb90268ad/57e4709b897c48af93139741f3dbda65/FLAG3d867a318 [2019-11-27 09:45:04,767 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:04,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-27 09:45:04,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb90268ad/57e4709b897c48af93139741f3dbda65/FLAG3d867a318 [2019-11-27 09:45:04,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb90268ad/57e4709b897c48af93139741f3dbda65 [2019-11-27 09:45:04,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:04,973 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:04,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:04,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:04,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:04,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:04" (1/1) ... [2019-11-27 09:45:04,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9c6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:04, skipping insertion in model container [2019-11-27 09:45:04,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:04" (1/1) ... [2019-11-27 09:45:05,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:05,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:05,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:05,502 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:05,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:05,575 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:05,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:05 WrapperNode [2019-11-27 09:45:05,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:05,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:05,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:05,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:05,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:05" (1/1) ... [2019-11-27 09:45:05,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:05" (1/1) ... [2019-11-27 09:45:05,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:05,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:05,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:05,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:05,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:05" (1/1) ... [2019-11-27 09:45:05,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:05" (1/1) ... [2019-11-27 09:45:05,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:05" (1/1) ... [2019-11-27 09:45:05,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:05" (1/1) ... [2019-11-27 09:45:05,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:05" (1/1) ... [2019-11-27 09:45:05,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:05" (1/1) ... [2019-11-27 09:45:05,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:05" (1/1) ... [2019-11-27 09:45:05,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:05,793 INFO L168 Benchmark]: Toolchain (without parser) took 809.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:05,802 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:05,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.24 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 948.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:05,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.74 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 997.1 MB in the end (delta: -48.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:05,812 INFO L168 Benchmark]: Boogie Preprocessor took 44.19 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 09:45:05,823 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 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 598.24 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 948.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 152.74 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 997.1 MB in the end (delta: -48.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.19 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:09,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:09,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:09,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:09,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:09,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:09,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:09,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:09,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:09,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:09,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:09,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:09,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:09,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:09,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:09,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:09,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:09,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:09,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:09,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:09,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:09,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:09,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:09,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:09,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:09,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:09,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:09,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:09,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:09,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:09,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:09,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:09,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:09,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:09,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:09,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:09,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:09,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:09,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:09,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:09,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:09,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:09,840 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:09,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:09,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:09,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:09,847 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:09,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:09,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:09,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:09,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:09,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:09,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:09,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:09,853 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:09,853 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:09,854 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:09,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:09,855 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:09,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:09,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:09,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:09,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:09,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:09,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:09,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:09,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:09,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:09,861 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:09,861 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:09,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:09,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:09,864 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 -> ebf754a3963f6f2e62a58c5af4648497776f95f2 [2019-11-27 09:45:10,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:10,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:10,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:10,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:10,484 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:10,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-27 09:45:10,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81e976115/9f661b98b17848df95646d3007f773fb/FLAG1b16ccd7a [2019-11-27 09:45:11,621 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:11,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-27 09:45:11,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81e976115/9f661b98b17848df95646d3007f773fb/FLAG1b16ccd7a [2019-11-27 09:45:11,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81e976115/9f661b98b17848df95646d3007f773fb [2019-11-27 09:45:11,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:11,837 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:11,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:11,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:11,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:11,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:11" (1/1) ... [2019-11-27 09:45:11,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9c6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:11, skipping insertion in model container [2019-11-27 09:45:11,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:11" (1/1) ... [2019-11-27 09:45:11,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:11,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:12,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:12,428 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:12,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:12,510 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:12,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12 WrapperNode [2019-11-27 09:45:12,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:12,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:12,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:12,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:12,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:12,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:12,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:12,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:12,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:12" (1/1) ... [2019-11-27 09:45:12,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:12,756 INFO L168 Benchmark]: Toolchain (without parser) took 917.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:12,759 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:12,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.01 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:12,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.9 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:12,764 INFO L168 Benchmark]: Boogie Preprocessor took 55.12 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:12,784 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 668.01 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 183.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.9 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.12 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...