/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float_lib2_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: 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 ../../../trunk/examples/svcomp/floats-cbmc-regression/float_lib2_true-unreach-call.i -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 579faea91306b70f4f1704c1b6463ea271867143 ........................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 ../../../trunk/examples/svcomp/floats-cbmc-regression/float_lib2_true-unreach-call.i -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 579faea91306b70f4f1704c1b6463ea271867143 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 13:48:36,673 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:48:36,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:48:36,690 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:48:36,690 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:48:36,692 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:48:36,693 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:48:36,695 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:48:36,697 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:48:36,698 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:48:36,699 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:48:36,699 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:48:36,700 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:48:36,701 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:48:36,703 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:48:36,704 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:48:36,705 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:48:36,707 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:48:36,709 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:48:36,711 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:48:36,712 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:48:36,714 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:48:36,717 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:48:36,717 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:48:36,717 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:48:36,718 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:48:36,720 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:48:36,720 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:48:36,721 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:48:36,723 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:48:36,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:48:36,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:48:36,724 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:48:36,724 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:48:36,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:48:36,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:48:36,727 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 13:48:36,762 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:48:36,762 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:48:36,763 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:48:36,766 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:48:36,766 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:48:36,767 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:48:36,767 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:48:36,767 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:48:36,767 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:48:36,767 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 13:48:36,767 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:48:36,768 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:48:36,768 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:48:36,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:48:36,768 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:48:36,771 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:48:36,771 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:48:36,771 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:48:36,771 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:48:36,772 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:48:36,772 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:48:36,772 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:48:36,772 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:48:36,773 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:48:36,773 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:48:36,773 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:48:36,773 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 13:48:36,773 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:48:36,773 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 13:48:36,774 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 579faea91306b70f4f1704c1b6463ea271867143 [2018-09-20 13:48:36,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:48:36,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:48:36,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:48:36,857 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:48:36,857 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:48:36,858 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float_lib2_true-unreach-call.i [2018-09-20 13:48:37,118 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224059ed4/15e3585af6b1451b87010909be08b264/FLAGc953fd305 [2018-09-20 13:48:37,505 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:48:37,506 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2_true-unreach-call.i [2018-09-20 13:48:37,523 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224059ed4/15e3585af6b1451b87010909be08b264/FLAGc953fd305 [2018-09-20 13:48:37,542 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224059ed4/15e3585af6b1451b87010909be08b264 [2018-09-20 13:48:37,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:48:37,550 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:48:37,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:48:37,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:48:37,558 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:48:37,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:37" (1/1) ... [2018-09-20 13:48:37,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626a07fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:37, skipping insertion in model container [2018-09-20 13:48:37,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:37" (1/1) ... [2018-09-20 13:48:37,577 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:48:37,931 FATAL L292 ToolchainWalker]: 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: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:893) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:976) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:160) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1549) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:325) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2503) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:723) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:331) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2503) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2503) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1716) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:339) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1573) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3980) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2445) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:183) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.preRun(MainDispatcher.java:348) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.Dispatcher.run(Dispatcher.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.doTranslation(CACSL2BoogieTranslatorObserver.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:152) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-20 13:48:37,937 INFO L168 Benchmark]: Toolchain (without parser) took 390.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:37,940 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:48:37,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.57 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:37,947 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 385.57 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:893) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 13:48:40,214 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:48:40,217 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:48:40,238 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:48:40,239 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:48:40,241 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:48:40,243 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:48:40,246 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:48:40,248 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:48:40,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:48:40,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:48:40,256 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:48:40,257 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:48:40,258 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:48:40,262 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:48:40,263 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:48:40,264 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:48:40,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:48:40,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:48:40,279 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:48:40,280 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:48:40,282 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:48:40,285 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:48:40,285 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:48:40,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:48:40,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:48:40,288 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:48:40,288 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:48:40,289 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:48:40,291 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:48:40,291 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:48:40,292 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:48:40,292 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:48:40,292 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:48:40,294 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:48:40,296 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:48:40,297 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 13:48:40,327 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:48:40,327 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:48:40,328 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:48:40,328 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:48:40,330 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:48:40,331 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:48:40,331 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:48:40,331 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:48:40,332 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:48:40,332 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:48:40,332 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:48:40,333 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:48:40,333 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:48:40,333 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:48:40,333 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 13:48:40,334 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 13:48:40,334 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:48:40,334 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:48:40,334 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:48:40,335 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:48:40,335 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:48:40,335 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:48:40,335 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:48:40,338 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:48:40,338 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:48:40,338 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:48:40,339 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:48:40,339 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 13:48:40,339 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:48:40,339 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 13:48:40,339 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 13:48:40,340 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 579faea91306b70f4f1704c1b6463ea271867143 [2018-09-20 13:48:40,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:48:40,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:48:40,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:48:40,445 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:48:40,446 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:48:40,447 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float_lib2_true-unreach-call.i [2018-09-20 13:48:40,827 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed31a2c2/33dc4022885f4ba39dd1f74d7d9b41e6/FLAG6a8f4119d [2018-09-20 13:48:41,087 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:48:41,090 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float_lib2_true-unreach-call.i [2018-09-20 13:48:41,115 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed31a2c2/33dc4022885f4ba39dd1f74d7d9b41e6/FLAG6a8f4119d [2018-09-20 13:48:41,141 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed31a2c2/33dc4022885f4ba39dd1f74d7d9b41e6 [2018-09-20 13:48:41,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:48:41,153 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:48:41,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:48:41,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:48:41,164 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:48:41,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:41" (1/1) ... [2018-09-20 13:48:41,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d23711f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:41, skipping insertion in model container [2018-09-20 13:48:41,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:41" (1/1) ... [2018-09-20 13:48:41,182 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:48:41,645 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:48:41,674 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:48:41,762 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:48:42,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:42 WrapperNode [2018-09-20 13:48:42,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:48:42,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:48:42,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:48:42,121 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:48:42,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:42" (1/1) ... [2018-09-20 13:48:42,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:42" (1/1) ... [2018-09-20 13:48:42,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:42" (1/1) ... [2018-09-20 13:48:42,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:42" (1/1) ... [2018-09-20 13:48:42,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:42" (1/1) ... [2018-09-20 13:48:42,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:42" (1/1) ... [2018-09-20 13:48:42,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:42" (1/1) ... [2018-09-20 13:48:42,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:48:42,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:48:42,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:48:42,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:48:42,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:48:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:48:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:48:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:48:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:48:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure acos [2018-09-20 13:48:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure __acos [2018-09-20 13:48:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure asin [2018-09-20 13:48:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure __asin [2018-09-20 13:48:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure atan [2018-09-20 13:48:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure __atan [2018-09-20 13:48:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure atan2 [2018-09-20 13:48:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure __atan2 [2018-09-20 13:48:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure cos [2018-09-20 13:48:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure __cos [2018-09-20 13:48:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure sin [2018-09-20 13:48:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure __sin [2018-09-20 13:48:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure tan [2018-09-20 13:48:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure __tan [2018-09-20 13:48:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure cosh [2018-09-20 13:48:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure __cosh [2018-09-20 13:48:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure sinh [2018-09-20 13:48:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure __sinh [2018-09-20 13:48:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure tanh [2018-09-20 13:48:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure __tanh [2018-09-20 13:48:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure acosh [2018-09-20 13:48:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure __acosh [2018-09-20 13:48:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure asinh [2018-09-20 13:48:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure __asinh [2018-09-20 13:48:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure atanh [2018-09-20 13:48:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure __atanh [2018-09-20 13:48:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure exp [2018-09-20 13:48:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure __exp [2018-09-20 13:48:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure frexp [2018-09-20 13:48:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure __frexp [2018-09-20 13:48:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldexp [2018-09-20 13:48:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure __ldexp [2018-09-20 13:48:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure log [2018-09-20 13:48:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure __log [2018-09-20 13:48:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure log10 [2018-09-20 13:48:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure __log10 [2018-09-20 13:48:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure modf [2018-09-20 13:48:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure __modf [2018-09-20 13:48:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure expm1 [2018-09-20 13:48:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure __expm1 [2018-09-20 13:48:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure log1p [2018-09-20 13:48:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure __log1p [2018-09-20 13:48:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure logb [2018-09-20 13:48:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure __logb [2018-09-20 13:48:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure exp2 [2018-09-20 13:48:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure __exp2 [2018-09-20 13:48:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure log2 [2018-09-20 13:48:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure __log2 [2018-09-20 13:48:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure pow [2018-09-20 13:48:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure __pow [2018-09-20 13:48:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2018-09-20 13:48:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure __sqrt [2018-09-20 13:48:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure hypot [2018-09-20 13:48:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure __hypot [2018-09-20 13:48:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure cbrt [2018-09-20 13:48:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure __cbrt [2018-09-20 13:48:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure ceil [2018-09-20 13:48:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure __ceil [2018-09-20 13:48:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2018-09-20 13:48:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure __fabs [2018-09-20 13:48:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure floor [2018-09-20 13:48:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure __floor [2018-09-20 13:48:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure fmod [2018-09-20 13:48:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure __fmod [2018-09-20 13:48:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure __isinf [2018-09-20 13:48:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure __finite [2018-09-20 13:48:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure isinf [2018-09-20 13:48:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure finite [2018-09-20 13:48:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure drem [2018-09-20 13:48:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure __drem [2018-09-20 13:48:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure significand [2018-09-20 13:48:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure __significand [2018-09-20 13:48:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure copysign [2018-09-20 13:48:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure __copysign [2018-09-20 13:48:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure nan [2018-09-20 13:48:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure __nan [2018-09-20 13:48:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure __isnan [2018-09-20 13:48:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure isnan [2018-09-20 13:48:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure j0 [2018-09-20 13:48:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure __j0 [2018-09-20 13:48:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure j1 [2018-09-20 13:48:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure __j1 [2018-09-20 13:48:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure jn [2018-09-20 13:48:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure __jn [2018-09-20 13:48:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure y0 [2018-09-20 13:48:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure __y0 [2018-09-20 13:48:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure y1 [2018-09-20 13:48:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure __y1 [2018-09-20 13:48:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure yn [2018-09-20 13:48:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure __yn [2018-09-20 13:48:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure erf [2018-09-20 13:48:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure __erf [2018-09-20 13:48:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure erfc [2018-09-20 13:48:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure __erfc [2018-09-20 13:48:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure lgamma [2018-09-20 13:48:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure __lgamma [2018-09-20 13:48:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure tgamma [2018-09-20 13:48:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure __tgamma [2018-09-20 13:48:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure gamma [2018-09-20 13:48:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure __gamma [2018-09-20 13:48:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure lgamma_r [2018-09-20 13:48:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure __lgamma_r [2018-09-20 13:48:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure rint [2018-09-20 13:48:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure __rint [2018-09-20 13:48:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure nextafter [2018-09-20 13:48:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure __nextafter [2018-09-20 13:48:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure nexttoward [2018-09-20 13:48:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure __nexttoward [2018-09-20 13:48:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure remainder [2018-09-20 13:48:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure __remainder [2018-09-20 13:48:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn [2018-09-20 13:48:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbn [2018-09-20 13:48:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure ilogb [2018-09-20 13:48:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure __ilogb [2018-09-20 13:48:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure scalbln [2018-09-20 13:48:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbln [2018-09-20 13:48:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure nearbyint [2018-09-20 13:48:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure __nearbyint [2018-09-20 13:48:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure round [2018-09-20 13:48:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure __round [2018-09-20 13:48:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure trunc [2018-09-20 13:48:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure __trunc [2018-09-20 13:48:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure remquo [2018-09-20 13:48:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure __remquo [2018-09-20 13:48:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure lrint [2018-09-20 13:48:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure __lrint [2018-09-20 13:48:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure llrint [2018-09-20 13:48:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure __llrint [2018-09-20 13:48:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure lround [2018-09-20 13:48:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure __lround [2018-09-20 13:48:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure llround [2018-09-20 13:48:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure __llround [2018-09-20 13:48:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure fdim [2018-09-20 13:48:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure __fdim [2018-09-20 13:48:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure fmax [2018-09-20 13:48:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure __fmax [2018-09-20 13:48:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure fmin [2018-09-20 13:48:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure __fmin [2018-09-20 13:48:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify [2018-09-20 13:48:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit [2018-09-20 13:48:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure fma [2018-09-20 13:48:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure __fma [2018-09-20 13:48:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure scalb [2018-09-20 13:48:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure __scalb [2018-09-20 13:48:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure acosf [2018-09-20 13:48:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure __acosf [2018-09-20 13:48:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure asinf [2018-09-20 13:48:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure __asinf [2018-09-20 13:48:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure atanf [2018-09-20 13:48:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure __atanf [2018-09-20 13:48:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure atan2f [2018-09-20 13:48:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure __atan2f [2018-09-20 13:48:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure cosf [2018-09-20 13:48:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure __cosf [2018-09-20 13:48:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure sinf [2018-09-20 13:48:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure __sinf [2018-09-20 13:48:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure tanf [2018-09-20 13:48:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure __tanf [2018-09-20 13:48:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure coshf [2018-09-20 13:48:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure __coshf [2018-09-20 13:48:42,488 INFO L130 BoogieDeclarations]: Found specification of procedure sinhf [2018-09-20 13:48:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure __sinhf [2018-09-20 13:48:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure tanhf [2018-09-20 13:48:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure __tanhf [2018-09-20 13:48:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure acoshf [2018-09-20 13:48:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure __acoshf [2018-09-20 13:48:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure asinhf [2018-09-20 13:48:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure __asinhf [2018-09-20 13:48:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure atanhf [2018-09-20 13:48:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure __atanhf [2018-09-20 13:48:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure expf [2018-09-20 13:48:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure __expf [2018-09-20 13:48:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure frexpf [2018-09-20 13:48:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure __frexpf [2018-09-20 13:48:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldexpf [2018-09-20 13:48:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure __ldexpf [2018-09-20 13:48:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure logf [2018-09-20 13:48:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure __logf [2018-09-20 13:48:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure log10f [2018-09-20 13:48:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure __log10f [2018-09-20 13:48:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure modff [2018-09-20 13:48:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure __modff [2018-09-20 13:48:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure expm1f [2018-09-20 13:48:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure __expm1f [2018-09-20 13:48:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure log1pf [2018-09-20 13:48:42,494 INFO L130 BoogieDeclarations]: Found specification of procedure __log1pf [2018-09-20 13:48:42,495 INFO L130 BoogieDeclarations]: Found specification of procedure logbf [2018-09-20 13:48:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure __logbf [2018-09-20 13:48:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure exp2f [2018-09-20 13:48:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure __exp2f [2018-09-20 13:48:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure log2f [2018-09-20 13:48:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure __log2f [2018-09-20 13:48:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure powf [2018-09-20 13:48:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure __powf [2018-09-20 13:48:42,496 INFO L130 BoogieDeclarations]: Found specification of procedure sqrtf [2018-09-20 13:48:42,497 INFO L130 BoogieDeclarations]: Found specification of procedure __sqrtf [2018-09-20 13:48:42,497 INFO L130 BoogieDeclarations]: Found specification of procedure hypotf [2018-09-20 13:48:42,497 INFO L130 BoogieDeclarations]: Found specification of procedure __hypotf [2018-09-20 13:48:42,497 INFO L130 BoogieDeclarations]: Found specification of procedure cbrtf [2018-09-20 13:48:42,497 INFO L130 BoogieDeclarations]: Found specification of procedure __cbrtf [2018-09-20 13:48:42,497 INFO L130 BoogieDeclarations]: Found specification of procedure ceilf [2018-09-20 13:48:42,497 INFO L130 BoogieDeclarations]: Found specification of procedure __ceilf [2018-09-20 13:48:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure fabsf [2018-09-20 13:48:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure __fabsf [2018-09-20 13:48:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure floorf [2018-09-20 13:48:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure __floorf [2018-09-20 13:48:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure fmodf [2018-09-20 13:48:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure __fmodf [2018-09-20 13:48:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure __isinff [2018-09-20 13:48:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure __finitef [2018-09-20 13:48:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure isinff [2018-09-20 13:48:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure finitef [2018-09-20 13:48:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure dremf [2018-09-20 13:48:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure __dremf [2018-09-20 13:48:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure significandf [2018-09-20 13:48:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure __significandf [2018-09-20 13:48:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure copysignf [2018-09-20 13:48:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure __copysignf [2018-09-20 13:48:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure nanf [2018-09-20 13:48:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure __nanf [2018-09-20 13:48:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure __isnanf [2018-09-20 13:48:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure isnanf [2018-09-20 13:48:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure j0f [2018-09-20 13:48:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure __j0f [2018-09-20 13:48:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure j1f [2018-09-20 13:48:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure __j1f [2018-09-20 13:48:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure jnf [2018-09-20 13:48:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure __jnf [2018-09-20 13:48:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure y0f [2018-09-20 13:48:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure __y0f [2018-09-20 13:48:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure y1f [2018-09-20 13:48:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure __y1f [2018-09-20 13:48:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure ynf [2018-09-20 13:48:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure __ynf [2018-09-20 13:48:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure erff [2018-09-20 13:48:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure __erff [2018-09-20 13:48:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure erfcf [2018-09-20 13:48:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure __erfcf [2018-09-20 13:48:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure lgammaf [2018-09-20 13:48:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammaf [2018-09-20 13:48:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure tgammaf [2018-09-20 13:48:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure __tgammaf [2018-09-20 13:48:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure gammaf [2018-09-20 13:48:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure __gammaf [2018-09-20 13:48:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure lgammaf_r [2018-09-20 13:48:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammaf_r [2018-09-20 13:48:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure rintf [2018-09-20 13:48:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure __rintf [2018-09-20 13:48:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure nextafterf [2018-09-20 13:48:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure __nextafterf [2018-09-20 13:48:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure nexttowardf [2018-09-20 13:48:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure __nexttowardf [2018-09-20 13:48:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure remainderf [2018-09-20 13:48:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure __remainderf [2018-09-20 13:48:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure scalbnf [2018-09-20 13:48:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbnf [2018-09-20 13:48:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure ilogbf [2018-09-20 13:48:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure __ilogbf [2018-09-20 13:48:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure scalblnf [2018-09-20 13:48:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure __scalblnf [2018-09-20 13:48:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure nearbyintf [2018-09-20 13:48:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure __nearbyintf [2018-09-20 13:48:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure roundf [2018-09-20 13:48:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure __roundf [2018-09-20 13:48:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure truncf [2018-09-20 13:48:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure __truncf [2018-09-20 13:48:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure remquof [2018-09-20 13:48:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure __remquof [2018-09-20 13:48:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure lrintf [2018-09-20 13:48:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure __lrintf [2018-09-20 13:48:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure llrintf [2018-09-20 13:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure __llrintf [2018-09-20 13:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure lroundf [2018-09-20 13:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure __lroundf [2018-09-20 13:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure llroundf [2018-09-20 13:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure __llroundf [2018-09-20 13:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure fdimf [2018-09-20 13:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure __fdimf [2018-09-20 13:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure fmaxf [2018-09-20 13:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure __fmaxf [2018-09-20 13:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure fminf [2018-09-20 13:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure __fminf [2018-09-20 13:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassifyf [2018-09-20 13:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure __signbitf [2018-09-20 13:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure fmaf [2018-09-20 13:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure __fmaf [2018-09-20 13:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure scalbf [2018-09-20 13:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbf [2018-09-20 13:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure acosl [2018-09-20 13:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure __acosl [2018-09-20 13:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure asinl [2018-09-20 13:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure __asinl [2018-09-20 13:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure atanl [2018-09-20 13:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure __atanl [2018-09-20 13:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure atan2l [2018-09-20 13:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure __atan2l [2018-09-20 13:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure cosl [2018-09-20 13:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure __cosl [2018-09-20 13:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure sinl [2018-09-20 13:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure __sinl [2018-09-20 13:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure tanl [2018-09-20 13:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure __tanl [2018-09-20 13:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure coshl [2018-09-20 13:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure __coshl [2018-09-20 13:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure sinhl [2018-09-20 13:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure __sinhl [2018-09-20 13:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure tanhl [2018-09-20 13:48:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure __tanhl [2018-09-20 13:48:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure acoshl [2018-09-20 13:48:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure __acoshl [2018-09-20 13:48:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure asinhl [2018-09-20 13:48:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure __asinhl [2018-09-20 13:48:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure atanhl [2018-09-20 13:48:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure __atanhl [2018-09-20 13:48:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure expl [2018-09-20 13:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure __expl [2018-09-20 13:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure frexpl [2018-09-20 13:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure __frexpl [2018-09-20 13:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldexpl [2018-09-20 13:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure __ldexpl [2018-09-20 13:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure logl [2018-09-20 13:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure __logl [2018-09-20 13:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure log10l [2018-09-20 13:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure __log10l [2018-09-20 13:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure modfl [2018-09-20 13:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure __modfl [2018-09-20 13:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure expm1l [2018-09-20 13:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure __expm1l [2018-09-20 13:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure log1pl [2018-09-20 13:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure __log1pl [2018-09-20 13:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure logbl [2018-09-20 13:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure __logbl [2018-09-20 13:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure exp2l [2018-09-20 13:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure __exp2l [2018-09-20 13:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure log2l [2018-09-20 13:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure __log2l [2018-09-20 13:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure powl [2018-09-20 13:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure __powl [2018-09-20 13:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure sqrtl [2018-09-20 13:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure __sqrtl [2018-09-20 13:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure hypotl [2018-09-20 13:48:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure __hypotl [2018-09-20 13:48:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure cbrtl [2018-09-20 13:48:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure __cbrtl [2018-09-20 13:48:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure ceill [2018-09-20 13:48:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure __ceill [2018-09-20 13:48:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure fabsl [2018-09-20 13:48:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure __fabsl [2018-09-20 13:48:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure floorl [2018-09-20 13:48:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure __floorl [2018-09-20 13:48:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure fmodl [2018-09-20 13:48:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure __fmodl [2018-09-20 13:48:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure __isinfl [2018-09-20 13:48:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure __finitel [2018-09-20 13:48:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure isinfl [2018-09-20 13:48:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure finitel [2018-09-20 13:48:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure dreml [2018-09-20 13:48:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure __dreml [2018-09-20 13:48:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure significandl [2018-09-20 13:48:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure __significandl [2018-09-20 13:48:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure copysignl [2018-09-20 13:48:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure __copysignl [2018-09-20 13:48:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure nanl [2018-09-20 13:48:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure __nanl [2018-09-20 13:48:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure __isnanl [2018-09-20 13:48:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure isnanl [2018-09-20 13:48:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure j0l [2018-09-20 13:48:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure __j0l [2018-09-20 13:48:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure j1l [2018-09-20 13:48:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure __j1l [2018-09-20 13:48:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure jnl [2018-09-20 13:48:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure __jnl [2018-09-20 13:48:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure y0l [2018-09-20 13:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure __y0l [2018-09-20 13:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure y1l [2018-09-20 13:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure __y1l [2018-09-20 13:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure ynl [2018-09-20 13:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure __ynl [2018-09-20 13:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure erfl [2018-09-20 13:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure __erfl [2018-09-20 13:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure erfcl [2018-09-20 13:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure __erfcl [2018-09-20 13:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure lgammal [2018-09-20 13:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammal [2018-09-20 13:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure tgammal [2018-09-20 13:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure __tgammal [2018-09-20 13:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure gammal [2018-09-20 13:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure __gammal [2018-09-20 13:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure lgammal_r [2018-09-20 13:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure __lgammal_r [2018-09-20 13:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure rintl [2018-09-20 13:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure __rintl [2018-09-20 13:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure nextafterl [2018-09-20 13:48:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure __nextafterl [2018-09-20 13:48:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure nexttowardl [2018-09-20 13:48:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure __nexttowardl [2018-09-20 13:48:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure remainderl [2018-09-20 13:48:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure __remainderl [2018-09-20 13:48:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure scalbnl [2018-09-20 13:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbnl [2018-09-20 13:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure ilogbl [2018-09-20 13:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure __ilogbl [2018-09-20 13:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure scalblnl [2018-09-20 13:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure __scalblnl [2018-09-20 13:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure nearbyintl [2018-09-20 13:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure __nearbyintl [2018-09-20 13:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure roundl [2018-09-20 13:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure __roundl [2018-09-20 13:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure truncl [2018-09-20 13:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure __truncl [2018-09-20 13:48:42,541 INFO L130 BoogieDeclarations]: Found specification of procedure remquol [2018-09-20 13:48:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure __remquol [2018-09-20 13:48:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure lrintl [2018-09-20 13:48:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure __lrintl [2018-09-20 13:48:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure llrintl [2018-09-20 13:48:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure __llrintl [2018-09-20 13:48:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure lroundl [2018-09-20 13:48:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure __lroundl [2018-09-20 13:48:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure llroundl [2018-09-20 13:48:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure __llroundl [2018-09-20 13:48:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure fdiml [2018-09-20 13:48:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure __fdiml [2018-09-20 13:48:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure fmaxl [2018-09-20 13:48:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure __fmaxl [2018-09-20 13:48:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure fminl [2018-09-20 13:48:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure __fminl [2018-09-20 13:48:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassifyl [2018-09-20 13:48:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure __signbitl [2018-09-20 13:48:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure fmal [2018-09-20 13:48:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure __fmal [2018-09-20 13:48:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure scalbl [2018-09-20 13:48:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure __scalbl [2018-09-20 13:48:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure matherr [2018-09-20 13:48:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:48:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:48:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:48:44,336 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:48:44,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:44 BoogieIcfgContainer [2018-09-20 13:48:44,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:48:44,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:48:44,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:48:44,341 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:48:44,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:48:41" (1/3) ... [2018-09-20 13:48:44,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72713118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:48:44, skipping insertion in model container [2018-09-20 13:48:44,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:42" (2/3) ... [2018-09-20 13:48:44,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72713118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:48:44, skipping insertion in model container [2018-09-20 13:48:44,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:44" (3/3) ... [2018-09-20 13:48:44,347 INFO L112 eAbstractionObserver]: Analyzing ICFG float_lib2_true-unreach-call.i [2018-09-20 13:48:44,357 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:48:44,366 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-09-20 13:48:44,419 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:48:44,419 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:48:44,419 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:48:44,420 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:48:44,420 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:48:44,420 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:48:44,420 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:48:44,420 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:48:44,420 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:48:44,442 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-09-20 13:48:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-20 13:48:44,448 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:48:44,449 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:48:44,452 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:48:44,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1374436389, now seen corresponding path program 1 times [2018-09-20 13:48:44,467 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:48:44,468 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 13:48:44,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:48:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:48:44,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:48:46,727 WARN L178 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 229 DAG size of output: 5 [2018-09-20 13:48:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:48:46,731 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:48:46,748 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:48:46,748 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-20 13:48:46,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-20 13:48:46,765 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-20 13:48:46,765 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-20 13:48:46,768 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 4 states. [2018-09-20 13:48:46,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:48:46,922 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2018-09-20 13:48:46,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-20 13:48:46,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-09-20 13:48:46,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:48:46,935 INFO L225 Difference]: With dead ends: 78 [2018-09-20 13:48:46,935 INFO L226 Difference]: Without dead ends: 29 [2018-09-20 13:48:46,939 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-20 13:48:46,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-09-20 13:48:46,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-09-20 13:48:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-09-20 13:48:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2018-09-20 13:48:46,973 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 8 [2018-09-20 13:48:46,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:48:46,973 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2018-09-20 13:48:46,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-20 13:48:46,974 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2018-09-20 13:48:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-20 13:48:46,974 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:48:46,974 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:48:46,975 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:48:46,975 INFO L82 PathProgramCache]: Analyzing trace with hash -2016430263, now seen corresponding path program 1 times [2018-09-20 13:48:46,975 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:48:46,976 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 13:48:46,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:48:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:48:46,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:48:47,643 WARN L178 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 5 [2018-09-20 13:48:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:48:47,646 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:48:47,656 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:48:47,656 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-20 13:48:47,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-20 13:48:47,658 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-20 13:48:47,659 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-20 13:48:47,659 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 4 states. [2018-09-20 13:48:47,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:48:47,733 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2018-09-20 13:48:47,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-20 13:48:47,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-09-20 13:48:47,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:48:47,737 INFO L225 Difference]: With dead ends: 29 [2018-09-20 13:48:47,737 INFO L226 Difference]: Without dead ends: 27 [2018-09-20 13:48:47,738 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-20 13:48:47,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-09-20 13:48:47,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-09-20 13:48:47,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-09-20 13:48:47,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-09-20 13:48:47,743 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 10 [2018-09-20 13:48:47,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:48:47,743 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-09-20 13:48:47,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-20 13:48:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-09-20 13:48:47,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-20 13:48:47,744 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:48:47,744 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:48:47,745 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:48:47,745 INFO L82 PathProgramCache]: Analyzing trace with hash -759104499, now seen corresponding path program 1 times [2018-09-20 13:48:47,746 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:48:47,746 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 13:48:47,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:48:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:48:47,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:48:48,240 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 5 [2018-09-20 13:48:48,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:48:48,244 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:48:48,255 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:48:48,255 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-20 13:48:48,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-20 13:48:48,256 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-20 13:48:48,256 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-20 13:48:48,256 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 4 states. [2018-09-20 13:48:48,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:48:48,318 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2018-09-20 13:48:48,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-20 13:48:48,320 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-09-20 13:48:48,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:48:48,321 INFO L225 Difference]: With dead ends: 27 [2018-09-20 13:48:48,321 INFO L226 Difference]: Without dead ends: 25 [2018-09-20 13:48:48,321 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-20 13:48:48,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-09-20 13:48:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-09-20 13:48:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-09-20 13:48:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-09-20 13:48:48,326 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 12 [2018-09-20 13:48:48,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:48:48,327 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-09-20 13:48:48,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-20 13:48:48,327 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-09-20 13:48:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-20 13:48:48,327 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:48:48,328 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:48:48,328 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:48:48,328 INFO L82 PathProgramCache]: Analyzing trace with hash 645145201, now seen corresponding path program 1 times [2018-09-20 13:48:48,329 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:48:48,329 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 13:48:48,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:48:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:48:48,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:48:49,294 WARN L178 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 5 [2018-09-20 13:48:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:48:49,297 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:48:49,311 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:48:49,312 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-20 13:48:49,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-20 13:48:49,312 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-20 13:48:49,313 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-20 13:48:49,313 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 4 states. [2018-09-20 13:48:49,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:48:49,389 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-09-20 13:48:49,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-20 13:48:49,391 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-09-20 13:48:49,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:48:49,392 INFO L225 Difference]: With dead ends: 25 [2018-09-20 13:48:49,392 INFO L226 Difference]: Without dead ends: 23 [2018-09-20 13:48:49,393 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-20 13:48:49,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-09-20 13:48:49,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-09-20 13:48:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-09-20 13:48:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2018-09-20 13:48:49,396 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 14 [2018-09-20 13:48:49,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:48:49,396 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2018-09-20 13:48:49,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-20 13:48:49,397 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-09-20 13:48:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-20 13:48:49,397 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:48:49,397 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:48:49,398 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:48:49,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1509376629, now seen corresponding path program 1 times [2018-09-20 13:48:49,398 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:48:49,399 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 13:48:49,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:48:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:48:49,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:48:49,930 WARN L178 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 5 [2018-09-20 13:48:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:48:49,933 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:48:49,943 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:48:49,943 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-20 13:48:49,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-20 13:48:49,944 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-20 13:48:49,944 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-20 13:48:49,944 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 4 states. [2018-09-20 13:48:50,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:48:50,009 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2018-09-20 13:48:50,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-20 13:48:50,010 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-09-20 13:48:50,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:48:50,011 INFO L225 Difference]: With dead ends: 23 [2018-09-20 13:48:50,011 INFO L226 Difference]: Without dead ends: 21 [2018-09-20 13:48:50,011 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-20 13:48:50,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-09-20 13:48:50,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-09-20 13:48:50,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-09-20 13:48:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2018-09-20 13:48:50,016 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2018-09-20 13:48:50,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:48:50,016 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2018-09-20 13:48:50,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-20 13:48:50,017 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2018-09-20 13:48:50,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-20 13:48:50,018 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:48:50,018 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:48:50,019 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:48:50,019 INFO L82 PathProgramCache]: Analyzing trace with hash 916196616, now seen corresponding path program 1 times [2018-09-20 13:48:50,019 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:48:50,019 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 13:48:50,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:48:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:48:50,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:48:50,473 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 5 [2018-09-20 13:48:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:48:50,487 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:48:50,501 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:48:50,501 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-20 13:48:50,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-20 13:48:50,502 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-20 13:48:50,502 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-20 13:48:50,502 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 5 states. [2018-09-20 13:48:50,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:48:50,584 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2018-09-20 13:48:50,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-20 13:48:50,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-09-20 13:48:50,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:48:50,585 INFO L225 Difference]: With dead ends: 21 [2018-09-20 13:48:50,585 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 13:48:50,586 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-20 13:48:50,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 13:48:50,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 13:48:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 13:48:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 13:48:50,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2018-09-20 13:48:50,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:48:50,587 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 13:48:50,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-20 13:48:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 13:48:50,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 13:48:50,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 13:48:50,637 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-20 13:48:50,638 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:48:50,638 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:48:50,638 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 13:48:50,638 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 13:48:50,638 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 13:48:50,638 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 362 374) no Hoare annotation was computed. [2018-09-20 13:48:50,638 INFO L426 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 369) no Hoare annotation was computed. [2018-09-20 13:48:50,638 INFO L426 ceAbstractionStarter]: For program point L366-1(line 366) no Hoare annotation was computed. [2018-09-20 13:48:50,638 INFO L426 ceAbstractionStarter]: For program point L366-3(line 366) no Hoare annotation was computed. [2018-09-20 13:48:50,639 INFO L426 ceAbstractionStarter]: For program point L366-4(line 366) no Hoare annotation was computed. [2018-09-20 13:48:50,639 INFO L426 ceAbstractionStarter]: For program point L366-5(line 366) no Hoare annotation was computed. [2018-09-20 13:48:50,639 INFO L426 ceAbstractionStarter]: For program point L366-7(lines 363 374) no Hoare annotation was computed. [2018-09-20 13:48:50,639 INFO L426 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 372) no Hoare annotation was computed. [2018-09-20 13:48:50,639 INFO L426 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-09-20 13:48:50,639 INFO L426 ceAbstractionStarter]: For program point L367-3(line 367) no Hoare annotation was computed. [2018-09-20 13:48:50,639 INFO L426 ceAbstractionStarter]: For program point L367-4(line 367) no Hoare annotation was computed. [2018-09-20 13:48:50,639 INFO L426 ceAbstractionStarter]: For program point L367-5(line 367) no Hoare annotation was computed. [2018-09-20 13:48:50,643 INFO L426 ceAbstractionStarter]: For program point L367-7(lines 363 374) no Hoare annotation was computed. [2018-09-20 13:48:50,643 INFO L426 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 367) no Hoare annotation was computed. [2018-09-20 13:48:50,643 INFO L426 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2018-09-20 13:48:50,644 INFO L426 ceAbstractionStarter]: For program point L368-3(line 368) no Hoare annotation was computed. [2018-09-20 13:48:50,644 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 362 374) no Hoare annotation was computed. [2018-09-20 13:48:50,644 INFO L426 ceAbstractionStarter]: For program point L368-4(line 368) no Hoare annotation was computed. [2018-09-20 13:48:50,644 INFO L426 ceAbstractionStarter]: For program point L368-5(line 368) no Hoare annotation was computed. [2018-09-20 13:48:50,644 INFO L426 ceAbstractionStarter]: For program point L368-7(lines 363 374) no Hoare annotation was computed. [2018-09-20 13:48:50,644 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 362 374) the Hoare annotation is: true [2018-09-20 13:48:50,644 INFO L426 ceAbstractionStarter]: For program point L369-1(line 369) no Hoare annotation was computed. [2018-09-20 13:48:50,644 INFO L426 ceAbstractionStarter]: For program point L369-3(line 369) no Hoare annotation was computed. [2018-09-20 13:48:50,644 INFO L426 ceAbstractionStarter]: For program point L369-4(line 369) no Hoare annotation was computed. [2018-09-20 13:48:50,644 INFO L426 ceAbstractionStarter]: For program point L369-5(line 369) no Hoare annotation was computed. [2018-09-20 13:48:50,645 INFO L426 ceAbstractionStarter]: For program point L369-7(lines 363 374) no Hoare annotation was computed. [2018-09-20 13:48:50,645 INFO L426 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-09-20 13:48:50,645 INFO L426 ceAbstractionStarter]: For program point L370-2(lines 363 374) no Hoare annotation was computed. [2018-09-20 13:48:50,645 INFO L426 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-09-20 13:48:50,645 INFO L426 ceAbstractionStarter]: For program point L371-1(line 371) no Hoare annotation was computed. [2018-09-20 13:48:50,645 INFO L426 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 368) no Hoare annotation was computed. [2018-09-20 13:48:50,645 INFO L426 ceAbstractionStarter]: For program point L371-3(line 371) no Hoare annotation was computed. [2018-09-20 13:48:50,645 INFO L426 ceAbstractionStarter]: For program point L371-4(line 371) no Hoare annotation was computed. [2018-09-20 13:48:50,645 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 365) no Hoare annotation was computed. [2018-09-20 13:48:50,646 INFO L426 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 366) no Hoare annotation was computed. [2018-09-20 13:48:50,646 INFO L426 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2018-09-20 13:48:50,646 INFO L426 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2018-09-20 13:48:50,646 INFO L426 ceAbstractionStarter]: For program point L372-3(line 372) no Hoare annotation was computed. [2018-09-20 13:48:50,646 INFO L426 ceAbstractionStarter]: For program point L365(line 365) no Hoare annotation was computed. [2018-09-20 13:48:50,646 INFO L426 ceAbstractionStarter]: For program point L365-2(line 365) no Hoare annotation was computed. [2018-09-20 13:48:50,646 INFO L426 ceAbstractionStarter]: For program point L365-4(line 365) no Hoare annotation was computed. [2018-09-20 13:48:50,646 INFO L426 ceAbstractionStarter]: For program point L365-5(line 365) no Hoare annotation was computed. [2018-09-20 13:48:50,646 INFO L426 ceAbstractionStarter]: For program point L365-6(line 365) no Hoare annotation was computed. [2018-09-20 13:48:50,646 INFO L426 ceAbstractionStarter]: For program point L365-8(lines 363 374) no Hoare annotation was computed. [2018-09-20 13:48:50,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:48:50 BoogieIcfgContainer [2018-09-20 13:48:50,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:48:50,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:48:50,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:48:50,651 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:48:50,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:44" (3/4) ... [2018-09-20 13:48:50,656 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 13:48:50,664 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 13:48:50,665 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 13:48:50,671 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-09-20 13:48:50,672 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 13:48:50,672 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 13:48:50,755 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 13:48:50,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:48:50,757 INFO L168 Benchmark]: Toolchain (without parser) took 9609.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 951.8 MB in the beginning and 1.0 GB in the end (delta: -92.0 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:50,758 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:48:50,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 964.27 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 833.7 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:50,759 INFO L168 Benchmark]: Boogie Preprocessor took 136.82 ms. Allocated memory is still 1.0 GB. Free memory was 833.7 MB in the beginning and 828.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:50,759 INFO L168 Benchmark]: RCFGBuilder took 2078.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 828.3 MB in the beginning and 1.1 GB in the end (delta: -225.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:50,760 INFO L168 Benchmark]: TraceAbstraction took 6313.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.9 MB). Peak memory consumption was 79.5 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:50,760 INFO L168 Benchmark]: Witness Printer took 104.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-09-20 13:48:50,771 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 964.27 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 833.7 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 136.82 ms. Allocated memory is still 1.0 GB. Free memory was 833.7 MB in the beginning and 828.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2078.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 828.3 MB in the beginning and 1.1 GB in the end (delta: -225.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6313.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.9 MB). Peak memory consumption was 79.5 MB. Max. memory is 11.5 GB. * Witness Printer took 104.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 365]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 367]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 369]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 366]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 368]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 372]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 50 locations, 7 error locations. SAFE Result, 6.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95 SDtfs, 74 SDslu, 131 SDs, 0 SdLazy, 97 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3512 SizeOfPredicates, 6 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...