/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0870b_true-unreach-call.c --full-output --architecture 32bit --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5eb3fea6 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/float-newlib/float_req_bl_0870b_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 650f1a26666e2cd9711e37de579fcbc7f2bae9dc --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ......................................................................................................................................................... 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/float-newlib/float_req_bl_0870b_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 650f1a26666e2cd9711e37de579fcbc7f2bae9dc --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:28:12,876 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:28:12,879 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:28:12,893 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:28:12,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:28:12,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:28:12,897 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:28:12,901 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:28:12,902 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:28:12,903 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:28:12,904 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:28:12,904 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:28:12,905 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:28:12,906 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:28:12,907 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:28:12,908 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:28:12,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:28:12,911 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:28:12,913 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:28:12,914 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:28:12,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:28:12,917 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:28:12,919 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:28:12,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:28:12,920 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:28:12,921 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:28:12,922 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:28:12,923 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:28:12,924 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:28:12,925 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:28:12,926 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:28:12,926 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:28:12,927 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:28:12,927 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:28:12,928 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:28:12,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:28:12,929 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:28:12,954 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:28:12,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:28:12,955 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:28:12,956 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:28:12,956 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:28:12,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:28:12,957 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:28:12,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:28:12,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:28:12,960 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:28:12,960 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:28:12,961 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:28:12,961 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:28:12,961 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:28:12,962 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:28:12,962 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:28:12,962 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:28:12,962 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:28:12,963 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:28:12,963 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:28:12,963 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:28:12,963 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:28:12,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:28:12,964 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:28:12,964 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:28:12,964 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:28:12,964 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:28:12,968 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:28:12,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:28:12,969 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 -> 650f1a26666e2cd9711e37de579fcbc7f2bae9dc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:28:13,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:28:13,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:28:13,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:28:13,086 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:28:13,087 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:28:13,088 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0870b_true-unreach-call.c [2018-09-21 18:28:13,441 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26f9b4f1/8a8bd5c14a3840aca90777d9577acdd0/FLAGd92e46eb1 [2018-09-21 18:28:13,628 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:28:13,629 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0870b_true-unreach-call.c [2018-09-21 18:28:13,642 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26f9b4f1/8a8bd5c14a3840aca90777d9577acdd0/FLAGd92e46eb1 [2018-09-21 18:28:13,659 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26f9b4f1/8a8bd5c14a3840aca90777d9577acdd0 [2018-09-21 18:28:13,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:28:13,667 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:28:13,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:13,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:28:13,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:28:13,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:13" (1/1) ... [2018-09-21 18:28:13,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c4cbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:13, skipping insertion in model container [2018-09-21 18:28:13,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:13" (1/1) ... [2018-09-21 18:28:13,696 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:28:13,994 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:882) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$38(StandardFunctionHandler.java:261) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:513) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1928) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1748) 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.visit(CHandler.java:1725) 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) [2018-09-21 18:28:14,004 INFO L168 Benchmark]: Toolchain (without parser) took 339.26 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:28:14,006 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-21 18:28:14,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.05 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:28:14,010 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 334.05 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 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: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:882) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:28:16,332 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:28:16,340 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:28:16,353 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:28:16,354 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:28:16,356 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:28:16,358 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:28:16,359 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:28:16,362 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:28:16,365 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:28:16,366 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:28:16,366 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:28:16,367 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:28:16,368 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:28:16,369 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:28:16,370 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:28:16,371 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:28:16,372 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:28:16,374 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:28:16,376 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:28:16,377 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:28:16,378 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:28:16,381 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:28:16,381 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:28:16,381 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:28:16,382 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:28:16,383 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:28:16,384 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:28:16,385 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:28:16,386 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:28:16,386 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:28:16,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:28:16,387 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:28:16,387 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:28:16,388 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:28:16,389 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:28:16,389 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:28:16,406 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:28:16,407 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:28:16,408 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:28:16,408 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:28:16,408 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:28:16,409 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:28:16,409 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:28:16,409 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:28:16,409 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:28:16,409 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:28:16,410 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:28:16,410 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:28:16,410 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:28:16,410 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:28:16,410 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:28:16,410 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:28:16,411 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:28:16,411 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:28:16,411 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:28:16,411 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:28:16,411 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:28:16,412 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:28:16,412 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:28:16,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:28:16,412 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:28:16,412 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:28:16,412 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:28:16,413 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:28:16,413 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:28:16,413 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:28:16,413 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:28:16,413 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 -> 650f1a26666e2cd9711e37de579fcbc7f2bae9dc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:28:16,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:28:16,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:28:16,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:28:16,496 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:28:16,497 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:28:16,498 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0870b_true-unreach-call.c [2018-09-21 18:28:16,855 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcdb9d5b/fc7dd93aae714d2f998544c3eed23675/FLAG7ebab6e2a [2018-09-21 18:28:17,098 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:28:17,099 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0870b_true-unreach-call.c [2018-09-21 18:28:17,118 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcdb9d5b/fc7dd93aae714d2f998544c3eed23675/FLAG7ebab6e2a [2018-09-21 18:28:17,134 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcdb9d5b/fc7dd93aae714d2f998544c3eed23675 [2018-09-21 18:28:17,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:28:17,141 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:28:17,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:17,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:28:17,152 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:28:17,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:17" (1/1) ... [2018-09-21 18:28:17,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2813c0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17, skipping insertion in model container [2018-09-21 18:28:17,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:17" (1/1) ... [2018-09-21 18:28:17,170 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:28:17,701 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:28:17,731 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:28:17,843 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:28:17,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17 WrapperNode [2018-09-21 18:28:17,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:17,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:28:17,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:28:17,909 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:28:17,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17" (1/1) ... [2018-09-21 18:28:17,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17" (1/1) ... [2018-09-21 18:28:17,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17" (1/1) ... [2018-09-21 18:28:17,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17" (1/1) ... [2018-09-21 18:28:18,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17" (1/1) ... [2018-09-21 18:28:18,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17" (1/1) ... [2018-09-21 18:28:18,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17" (1/1) ... [2018-09-21 18:28:18,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:28:18,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:28:18,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:28:18,075 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:28:18,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17" (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 [2018-09-21 18:28:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:28:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:28:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-09-21 18:28:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-21 18:28:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2018-09-21 18:28:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2018-09-21 18:28:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-21 18:28:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_powf [2018-09-21 18:28:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-21 18:28:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:28:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:28:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-21 18:28:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-09-21 18:28:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:28:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-21 18:28:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:28:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:28:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:28:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-21 18:28:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-21 18:28:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2018-09-21 18:28:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2018-09-21 18:28:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-21 18:28:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_powf [2018-09-21 18:28:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-21 18:28:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:28:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:28:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:28:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:28:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-21 18:28:18,706 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:18,724 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:18,763 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:18,775 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:18,910 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:18,929 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:18,946 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:18,960 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:24,146 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:24,186 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:24,448 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:24,454 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:25,554 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:25,562 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:28,047 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:28,056 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:30,189 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:30,227 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:32,363 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:32,369 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:33,692 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:33,702 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:35,799 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:35,804 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:38,003 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:38,009 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:40,304 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:40,312 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:42,576 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:42,583 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:43,097 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:43,106 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:43,277 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:43,285 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:43,644 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:43,669 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:43,734 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:43,761 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:45,869 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:45,876 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:46,767 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:28:46,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:28:46 BoogieIcfgContainer [2018-09-21 18:28:46,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:28:46,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:28:46,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:28:46,773 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:28:46,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:28:17" (1/3) ... [2018-09-21 18:28:46,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2ecf93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:28:46, skipping insertion in model container [2018-09-21 18:28:46,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:17" (2/3) ... [2018-09-21 18:28:46,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2ecf93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:28:46, skipping insertion in model container [2018-09-21 18:28:46,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:28:46" (3/3) ... [2018-09-21 18:28:46,777 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870b_true-unreach-call.c [2018-09-21 18:28:46,787 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:28:46,797 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:28:46,844 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:28:46,845 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:28:46,845 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:28:46,845 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:28:46,845 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:28:46,845 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:28:46,846 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:28:46,846 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:28:46,846 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:28:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states. [2018-09-21 18:28:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-21 18:28:46,892 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:28:46,893 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, 1, 1] [2018-09-21 18:28:46,896 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:28:46,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1255592532, now seen corresponding path program 1 times [2018-09-21 18:28:46,908 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:28:46,908 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 [2018-09-21 18:28:46,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:28:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:28:47,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:28:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:28:47,124 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:28:47,139 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:28:47,139 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:28:47,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:28:47,160 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:28:47,161 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:28:47,163 INFO L87 Difference]: Start difference. First operand 489 states. Second operand 2 states. [2018-09-21 18:28:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:28:47,224 INFO L93 Difference]: Finished difference Result 489 states and 552 transitions. [2018-09-21 18:28:47,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:28:47,226 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-21 18:28:47,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:28:47,258 INFO L225 Difference]: With dead ends: 489 [2018-09-21 18:28:47,258 INFO L226 Difference]: Without dead ends: 484 [2018-09-21 18:28:47,261 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:28:47,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-09-21 18:28:47,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2018-09-21 18:28:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-09-21 18:28:47,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 546 transitions. [2018-09-21 18:28:47,344 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 546 transitions. Word has length 22 [2018-09-21 18:28:47,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:28:47,345 INFO L480 AbstractCegarLoop]: Abstraction has 484 states and 546 transitions. [2018-09-21 18:28:47,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:28:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 546 transitions. [2018-09-21 18:28:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-21 18:28:47,347 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:28:47,347 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:28:47,347 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:28:47,348 INFO L82 PathProgramCache]: Analyzing trace with hash 940851672, now seen corresponding path program 1 times [2018-09-21 18:28:47,349 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:28:47,349 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 [2018-09-21 18:28:47,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:28:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:28:47,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:28:47,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:28:47,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:28:47,794 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:28:47,820 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:28:47,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:28:47,875 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:28:47,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:28:47,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:28:47,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:28:47,910 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:28:47,933 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:28:47,933 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:28:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:28:48,230 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:28:48,243 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:28:48,244 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:28:48,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:28:48,251 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:28:48,251 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:28:48,252 INFO L87 Difference]: Start difference. First operand 484 states and 546 transitions. Second operand 9 states. [2018-09-21 18:28:55,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:28:55,904 INFO L93 Difference]: Finished difference Result 488 states and 549 transitions. [2018-09-21 18:28:55,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:28:55,908 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-09-21 18:28:55,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:28:55,921 INFO L225 Difference]: With dead ends: 488 [2018-09-21 18:28:55,921 INFO L226 Difference]: Without dead ends: 486 [2018-09-21 18:28:55,925 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:28:55,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-09-21 18:28:55,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 484. [2018-09-21 18:28:55,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-09-21 18:28:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 545 transitions. [2018-09-21 18:28:55,981 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 545 transitions. Word has length 40 [2018-09-21 18:28:55,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:28:55,982 INFO L480 AbstractCegarLoop]: Abstraction has 484 states and 545 transitions. [2018-09-21 18:28:55,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:28:55,982 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 545 transitions. [2018-09-21 18:28:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-21 18:28:55,986 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:28:55,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:28:55,987 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:28:55,987 INFO L82 PathProgramCache]: Analyzing trace with hash 646026036, now seen corresponding path program 1 times [2018-09-21 18:28:55,988 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:28:55,988 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 [2018-09-21 18:28:56,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:28:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:28:56,152 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:28:56,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:28:56,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:28:56,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:28:56,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:28:56,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:28:56,227 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:28:56,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:28:56,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:28:56,254 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:28:56,257 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:28:56,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:28:56,260 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:28:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:28:56,418 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:28:56,429 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:28:56,430 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:28:56,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:28:56,430 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:28:56,431 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:28:56,431 INFO L87 Difference]: Start difference. First operand 484 states and 545 transitions. Second operand 9 states. [2018-09-21 18:29:03,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:03,598 INFO L93 Difference]: Finished difference Result 595 states and 667 transitions. [2018-09-21 18:29:03,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:29:03,600 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2018-09-21 18:29:03,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:03,604 INFO L225 Difference]: With dead ends: 595 [2018-09-21 18:29:03,605 INFO L226 Difference]: Without dead ends: 592 [2018-09-21 18:29:03,605 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:29:03,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-09-21 18:29:03,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 484. [2018-09-21 18:29:03,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-09-21 18:29:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 542 transitions. [2018-09-21 18:29:03,627 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 542 transitions. Word has length 42 [2018-09-21 18:29:03,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:03,628 INFO L480 AbstractCegarLoop]: Abstraction has 484 states and 542 transitions. [2018-09-21 18:29:03,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:29:03,628 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 542 transitions. [2018-09-21 18:29:03,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-21 18:29:03,633 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:03,633 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:29:03,633 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:03,633 INFO L82 PathProgramCache]: Analyzing trace with hash 449512531, now seen corresponding path program 1 times [2018-09-21 18:29:03,635 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:03,636 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 [2018-09-21 18:29:03,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:03,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:29:04,002 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:04,013 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:04,013 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-21 18:29:04,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-21 18:29:04,014 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-21 18:29:04,014 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-21 18:29:04,014 INFO L87 Difference]: Start difference. First operand 484 states and 542 transitions. Second operand 7 states. [2018-09-21 18:29:13,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:13,385 INFO L93 Difference]: Finished difference Result 489 states and 547 transitions. [2018-09-21 18:29:13,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-21 18:29:13,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2018-09-21 18:29:13,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:13,391 INFO L225 Difference]: With dead ends: 489 [2018-09-21 18:29:13,391 INFO L226 Difference]: Without dead ends: 483 [2018-09-21 18:29:13,391 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:29:13,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2018-09-21 18:29:13,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2018-09-21 18:29:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-09-21 18:29:13,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 539 transitions. [2018-09-21 18:29:13,406 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 539 transitions. Word has length 42 [2018-09-21 18:29:13,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:13,407 INFO L480 AbstractCegarLoop]: Abstraction has 483 states and 539 transitions. [2018-09-21 18:29:13,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-21 18:29:13,407 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 539 transitions. [2018-09-21 18:29:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-21 18:29:13,409 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:13,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:29:13,409 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:13,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1424582757, now seen corresponding path program 1 times [2018-09-21 18:29:13,411 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:13,411 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 [2018-09-21 18:29:13,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:13,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:13,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:29:13,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:29:13,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:13,844 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:13,857 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:13,858 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:29:13,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:29:13,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:29:13,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:13,928 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:13,954 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:13,954 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:29:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:29:14,153 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:14,172 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:14,173 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:29:14,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:29:14,173 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:29:14,174 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:29:14,174 INFO L87 Difference]: Start difference. First operand 483 states and 539 transitions. Second operand 9 states. [2018-09-21 18:29:19,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:19,089 INFO L93 Difference]: Finished difference Result 591 states and 657 transitions. [2018-09-21 18:29:19,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 18:29:19,093 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-09-21 18:29:19,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:19,095 INFO L225 Difference]: With dead ends: 591 [2018-09-21 18:29:19,095 INFO L226 Difference]: Without dead ends: 302 [2018-09-21 18:29:19,096 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-21 18:29:19,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-09-21 18:29:19,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2018-09-21 18:29:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2018-09-21 18:29:19,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 327 transitions. [2018-09-21 18:29:19,105 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 327 transitions. Word has length 45 [2018-09-21 18:29:19,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:19,106 INFO L480 AbstractCegarLoop]: Abstraction has 302 states and 327 transitions. [2018-09-21 18:29:19,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:29:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 327 transitions. [2018-09-21 18:29:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-21 18:29:19,110 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:19,110 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:29:19,110 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:19,111 INFO L82 PathProgramCache]: Analyzing trace with hash 83060210, now seen corresponding path program 1 times [2018-09-21 18:29:19,111 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:19,111 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 [2018-09-21 18:29:19,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:20,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:20,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:29:20,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:29:20,220 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:20,227 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:20,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:20,241 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:29:20,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:29:20,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:29:20,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:20,281 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:20,285 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:20,285 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:29:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:29:20,587 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:20,611 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:20,611 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:29:20,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:29:20,612 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:29:20,612 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:29:20,613 INFO L87 Difference]: Start difference. First operand 302 states and 327 transitions. Second operand 9 states. [2018-09-21 18:29:23,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:23,978 INFO L93 Difference]: Finished difference Result 294 states and 319 transitions. [2018-09-21 18:29:23,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 18:29:23,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 134 [2018-09-21 18:29:23,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:23,982 INFO L225 Difference]: With dead ends: 294 [2018-09-21 18:29:23,982 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:29:23,983 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:29:23,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:29:23,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:29:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:29:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:29:23,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2018-09-21 18:29:23,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:23,984 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:29:23,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:29:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:29:23,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:29:23,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:29:23 BoogieIcfgContainer [2018-09-21 18:29:23,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:29:23,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:29:23,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:29:23,991 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:29:23,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:28:46" (3/4) ... [2018-09-21 18:29:23,995 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:29:24,002 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-21 18:29:24,002 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:29:24,003 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-21 18:29:24,003 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2018-09-21 18:29:24,003 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_powf [2018-09-21 18:29:24,003 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2018-09-21 18:29:24,003 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:29:24,004 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_float [2018-09-21 18:29:24,004 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-21 18:29:24,026 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 107 nodes and edges [2018-09-21 18:29:24,028 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-09-21 18:29:24,030 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-09-21 18:29:24,032 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-21 18:29:24,248 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:29:24,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:29:24,253 INFO L168 Benchmark]: Toolchain (without parser) took 67114.41 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 950.5 MB in the beginning and 815.4 MB in the end (delta: 135.1 MB). Peak memory consumption was 358.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:24,255 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-21 18:29:24,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.25 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 918.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:24,256 INFO L168 Benchmark]: Boogie Preprocessor took 160.12 ms. Allocated memory is still 1.0 GB. Free memory was 918.3 MB in the beginning and 912.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:24,256 INFO L168 Benchmark]: RCFGBuilder took 28699.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 912.9 MB in the beginning and 1.0 GB in the end (delta: -103.7 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:24,257 INFO L168 Benchmark]: TraceAbstraction took 37220.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 60.3 MB). Free memory was 1.0 GB in the beginning and 845.6 MB in the end (delta: 170.9 MB). Peak memory consumption was 231.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:24,257 INFO L168 Benchmark]: Witness Printer took 261.83 ms. Allocated memory is still 1.3 GB. Free memory was 845.6 MB in the beginning and 815.4 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:24,261 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 764.25 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 918.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 160.12 ms. Allocated memory is still 1.0 GB. Free memory was 918.3 MB in the beginning and 912.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 28699.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 912.9 MB in the beginning and 1.0 GB in the end (delta: -103.7 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37220.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 60.3 MB). Free memory was 1.0 GB in the beginning and 845.6 MB in the end (delta: 170.9 MB). Peak memory consumption was 231.2 MB. Max. memory is 11.5 GB. * Witness Printer took 261.83 ms. Allocated memory is still 1.3 GB. Free memory was 845.6 MB in the beginning and 815.4 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 607]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 560 locations, 1 error locations. SAFE Result, 37.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 32.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3150 SDtfs, 2523 SDslu, 14231 SDs, 0 SdLazy, 1102 SolverSat, 44 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 29.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 349 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=489occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 110 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 325 NumberOfCodeBlocks, 325 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 319 ConstructedInterpolants, 89 QuantifiedInterpolants, 233878 SizeOfPredicates, 34 NumberOfNonLiveVariables, 1305 ConjunctsInSsa, 45 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...