./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/knuth.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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/nla-digbench/knuth.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 028c77beabd0469cf516df8a34c42bd067905f51 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nla-digbench/knuth.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 028c77beabd0469cf516df8a34c42bd067905f51 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:22:07,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:22:07,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:22:07,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:22:07,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:22:07,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:22:07,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:22:07,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:22:07,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:22:07,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:22:07,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:22:07,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:22:07,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:22:07,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:22:07,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:22:07,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:22:07,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:22:07,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:22:07,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:22:07,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:22:07,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:22:07,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:22:07,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:22:07,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:22:07,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:22:07,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:22:07,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:22:07,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:22:07,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:22:07,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:22:07,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:22:07,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:22:07,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:22:07,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:22:07,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:22:07,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:22:07,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:22:07,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:22:07,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:22:07,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:22:07,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:22:07,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:22:07,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:22:07,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:22:07,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:22:07,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:22:07,406 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:22:07,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:22:07,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:22:07,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:22:07,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:22:07,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:22:07,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:22:07,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:22:07,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:22:07,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:22:07,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:22:07,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:22:07,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:22:07,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:22:07,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:22:07,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:22:07,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:22:07,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:22:07,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:22:07,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:22:07,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:22:07,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:22:07,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:22:07,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:22:07,423 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 -> 028c77beabd0469cf516df8a34c42bd067905f51 [2019-11-16 21:22:08,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:22:08,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:22:08,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:22:08,058 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:22:08,062 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:22:08,064 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/knuth.c [2019-11-16 21:22:08,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7435f4ade/b4f1ffcf70ae45118c42327b104e5550/FLAGe7dc7e4ab [2019-11-16 21:22:09,396 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:22:09,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/knuth.c [2019-11-16 21:22:09,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7435f4ade/b4f1ffcf70ae45118c42327b104e5550/FLAGe7dc7e4ab [2019-11-16 21:22:09,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7435f4ade/b4f1ffcf70ae45118c42327b104e5550 [2019-11-16 21:22:09,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:22:09,480 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:22:09,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:22:09,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:22:09,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:22:09,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:22:09" (1/1) ... [2019-11-16 21:22:09,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177e7349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:09, skipping insertion in model container [2019-11-16 21:22:09,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:22:09" (1/1) ... [2019-11-16 21:22:09,524 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:22:09,587 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:22:10,047 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:667) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-16 21:22:10,069 INFO L168 Benchmark]: Toolchain (without parser) took 582.80 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 954.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:22:10,071 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:22:10,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.82 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 954.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:22:10,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 576.82 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 954.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:22:13,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:22:13,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:22:14,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:22:14,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:22:14,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:22:14,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:22:14,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:22:14,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:22:14,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:22:14,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:22:14,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:22:14,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:22:14,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:22:14,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:22:14,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:22:14,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:22:14,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:22:14,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:22:14,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:22:14,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:22:14,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:22:14,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:22:14,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:22:14,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:22:14,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:22:14,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:22:14,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:22:14,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:22:14,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:22:14,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:22:14,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:22:14,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:22:14,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:22:14,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:22:14,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:22:14,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:22:14,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:22:14,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:22:14,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:22:14,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:22:14,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 21:22:14,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:22:14,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:22:14,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:22:14,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:22:14,238 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:22:14,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:22:14,240 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:22:14,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:22:14,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:22:14,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:22:14,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:22:14,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:22:14,245 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 21:22:14,245 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 21:22:14,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:22:14,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:22:14,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:22:14,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:22:14,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:22:14,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:22:14,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:22:14,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:22:14,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:22:14,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:22:14,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:22:14,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:22:14,254 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 21:22:14,255 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 21:22:14,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:22:14,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 21:22:14,256 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 -> 028c77beabd0469cf516df8a34c42bd067905f51 [2019-11-16 21:22:14,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:22:14,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:22:14,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:22:14,954 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:22:14,955 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:22:14,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/knuth.c [2019-11-16 21:22:15,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cac9c22b/2b0d873d39b741af840573feeb837927/FLAG4b004c4fc [2019-11-16 21:22:16,214 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:22:16,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/knuth.c [2019-11-16 21:22:16,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cac9c22b/2b0d873d39b741af840573feeb837927/FLAG4b004c4fc [2019-11-16 21:22:16,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cac9c22b/2b0d873d39b741af840573feeb837927 [2019-11-16 21:22:16,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:22:16,287 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:22:16,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:22:16,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:22:16,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:22:16,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:22:16" (1/1) ... [2019-11-16 21:22:16,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177e7349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:16, skipping insertion in model container [2019-11-16 21:22:16,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:22:16" (1/1) ... [2019-11-16 21:22:16,333 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:22:16,397 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:22:16,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:22:16,988 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:22:17,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:22:17,226 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:22:17,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:17 WrapperNode [2019-11-16 21:22:17,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:22:17,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:22:17,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:22:17,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:22:17,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:17" (1/1) ... [2019-11-16 21:22:17,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:17" (1/1) ... [2019-11-16 21:22:17,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:22:17,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:22:17,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:22:17,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:22:17,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:17" (1/1) ... [2019-11-16 21:22:17,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:17" (1/1) ... [2019-11-16 21:22:17,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:17" (1/1) ... [2019-11-16 21:22:17,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:17" (1/1) ... [2019-11-16 21:22:17,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:17" (1/1) ... [2019-11-16 21:22:17,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:17" (1/1) ... [2019-11-16 21:22:17,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:17" (1/1) ... [2019-11-16 21:22:17,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:22:17,436 INFO L168 Benchmark]: Toolchain (without parser) took 1144.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.5 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:22:17,438 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-16 21:22:17,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 940.08 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:22:17,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.64 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:22:17,458 INFO L168 Benchmark]: Boogie Preprocessor took 83.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:22:17,468 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 940.08 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 113.64 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 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...