/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0872a_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_0872a_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 de684c37c732848e36bd7af73fbc5b39d9470a9b --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_0872a_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 de684c37c732848e36bd7af73fbc5b39d9470a9b --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 18:28:30,842 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:28:30,844 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:28:30,864 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:28:30,865 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:28:30,867 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:28:30,870 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:28:30,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:28:30,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:28:30,878 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:28:30,880 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:28:30,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:28:30,882 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:28:30,884 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:28:30,885 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:28:30,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:28:30,887 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:28:30,889 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:28:30,891 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:28:30,893 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:28:30,894 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:28:30,896 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:28:30,898 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:28:30,899 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:28:30,899 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:28:30,900 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:28:30,901 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:28:30,902 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:28:30,903 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:28:30,904 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:28:30,904 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:28:30,905 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:28:30,905 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:28:30,906 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:28:30,906 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:28:30,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:28:30,908 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:28:30,923 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:28:30,924 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:28:30,925 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:28:30,925 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:28:30,927 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:28:30,927 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:28:30,927 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:28:30,928 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:28:30,928 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:28:30,928 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:28:30,928 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:28:30,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:28:30,930 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:28:30,930 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:28:30,931 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:28:30,931 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:28:30,931 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:28:30,931 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:28:30,931 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:28:30,933 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:28:30,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:28:30,934 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:28:30,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:28:30,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:28:30,935 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:28:30,935 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:28:30,935 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:28:30,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:28:30,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:28:30,935 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 -> de684c37c732848e36bd7af73fbc5b39d9470a9b 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 18:28:31,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:28:31,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:28:31,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:28:31,036 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:28:31,037 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:28:31,038 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0872a_true-unreach-call.c [2018-09-21 18:28:31,392 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015c46bd3/c784a37ea0204a258d4b82d6732b88e4/FLAGb40bb7a86 [2018-09-21 18:28:31,640 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:28:31,641 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0872a_true-unreach-call.c [2018-09-21 18:28:31,658 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015c46bd3/c784a37ea0204a258d4b82d6732b88e4/FLAGb40bb7a86 [2018-09-21 18:28:31,677 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015c46bd3/c784a37ea0204a258d4b82d6732b88e4 [2018-09-21 18:28:31,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:28:31,685 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:28:31,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:31,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:28:31,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:28:31,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:31" (1/1) ... [2018-09-21 18:28:31,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9989f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:31, skipping insertion in model container [2018-09-21 18:28:31,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:31" (1/1) ... [2018-09-21 18:28:31,714 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:28:32,046 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 18:28:32,050 INFO L168 Benchmark]: Toolchain (without parser) took 367.75 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:28:32,052 INFO L168 Benchmark]: CDTParser took 0.18 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 18:28:32,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.01 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:28:32,055 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 360.01 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 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 18:28:34,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:28:34,312 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:28:34,325 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:28:34,325 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:28:34,326 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:28:34,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:28:34,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:28:34,331 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:28:34,332 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:28:34,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:28:34,333 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:28:34,334 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:28:34,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:28:34,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:28:34,337 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:28:34,338 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:28:34,340 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:28:34,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:28:34,344 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:28:34,345 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:28:34,346 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:28:34,349 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:28:34,349 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:28:34,349 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:28:34,350 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:28:34,351 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:28:34,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:28:34,353 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:28:34,354 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:28:34,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:28:34,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:28:34,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:28:34,356 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:28:34,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:28:34,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:28:34,358 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:28:34,386 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:28:34,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:28:34,389 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:28:34,389 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:28:34,389 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:28:34,389 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:28:34,390 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:28:34,390 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:28:34,390 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:28:34,390 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:28:34,392 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:28:34,392 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:28:34,393 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:28:34,393 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:28:34,393 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:28:34,393 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:28:34,394 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:28:34,394 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:28:34,394 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:28:34,394 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:28:34,394 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:28:34,395 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:28:34,395 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:28:34,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:28:34,395 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:28:34,398 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:28:34,398 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:28:34,398 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:28:34,399 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:28:34,399 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:28:34,399 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:28:34,399 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 -> de684c37c732848e36bd7af73fbc5b39d9470a9b 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 18:28:34,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:28:34,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:28:34,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:28:34,480 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:28:34,482 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:28:34,483 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0872a_true-unreach-call.c [2018-09-21 18:28:34,876 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d20ac81/fafd95a68dc54f54a472de2b03f96bef/FLAGf7df5606d [2018-09-21 18:28:35,133 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:28:35,134 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0872a_true-unreach-call.c [2018-09-21 18:28:35,148 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d20ac81/fafd95a68dc54f54a472de2b03f96bef/FLAGf7df5606d [2018-09-21 18:28:35,165 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d20ac81/fafd95a68dc54f54a472de2b03f96bef [2018-09-21 18:28:35,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:28:35,174 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:28:35,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:35,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:28:35,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:28:35,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:35" (1/1) ... [2018-09-21 18:28:35,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2576490b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35, skipping insertion in model container [2018-09-21 18:28:35,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:35" (1/1) ... [2018-09-21 18:28:35,201 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:28:35,622 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:28:35,648 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:28:35,809 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:28:35,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35 WrapperNode [2018-09-21 18:28:35,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:35,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:28:35,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:28:35,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:28:35,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35" (1/1) ... [2018-09-21 18:28:35,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35" (1/1) ... [2018-09-21 18:28:35,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35" (1/1) ... [2018-09-21 18:28:35,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35" (1/1) ... [2018-09-21 18:28:35,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35" (1/1) ... [2018-09-21 18:28:36,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35" (1/1) ... [2018-09-21 18:28:36,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35" (1/1) ... [2018-09-21 18:28:36,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:28:36,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:28:36,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:28:36,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:28:36,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35" (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 18:28:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:28:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:28:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-09-21 18:28:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-21 18:28:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2018-09-21 18:28:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2018-09-21 18:28:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-21 18:28:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_powf [2018-09-21 18:28:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:28:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:28:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-21 18:28:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-09-21 18:28:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:28:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-21 18:28:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:28:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:28:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:28:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-21 18:28:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-21 18:28:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2018-09-21 18:28:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2018-09-21 18:28:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-21 18:28:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_powf [2018-09-21 18:28:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:28:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:28:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:28:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:28:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-21 18:28:36,698 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:36,728 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:36,780 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:36,795 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:36,941 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:36,956 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:36,985 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:36,996 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:42,236 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:42,268 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:42,494 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:42,504 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:44,720 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:44,731 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:47,012 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:47,021 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:49,156 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:49,185 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:51,300 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:51,307 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:51,962 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:51,997 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:54,183 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:54,220 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:56,033 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:56,039 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:58,350 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:58,356 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,788 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,801 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:01,295 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:01,301 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:01,434 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:01,445 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:01,777 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:01,783 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:01,821 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:01,861 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:02,992 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:03,014 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:04,109 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:29:04,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:29:04 BoogieIcfgContainer [2018-09-21 18:29:04,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:29:04,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:29:04,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:29:04,115 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:29:04,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:28:35" (1/3) ... [2018-09-21 18:29:04,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350683bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:29:04, skipping insertion in model container [2018-09-21 18:29:04,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:35" (2/3) ... [2018-09-21 18:29:04,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350683bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:29:04, skipping insertion in model container [2018-09-21 18:29:04,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:29:04" (3/3) ... [2018-09-21 18:29:04,119 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0872a_true-unreach-call.c [2018-09-21 18:29:04,130 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:29:04,139 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:29:04,186 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:29:04,187 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:29:04,187 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:29:04,187 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:29:04,187 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:29:04,188 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:29:04,188 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:29:04,188 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:29:04,188 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:29:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states. [2018-09-21 18:29:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-21 18:29:04,236 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:04,237 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:29:04,240 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:04,247 INFO L82 PathProgramCache]: Analyzing trace with hash 93333362, now seen corresponding path program 1 times [2018-09-21 18:29:04,253 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:04,254 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 18:29:04,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:04,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:04,471 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 18:29:04,472 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:04,485 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:04,486 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:29:04,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:29:04,503 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:29:04,503 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:29:04,506 INFO L87 Difference]: Start difference. First operand 483 states. Second operand 2 states. [2018-09-21 18:29:04,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:04,567 INFO L93 Difference]: Finished difference Result 483 states and 545 transitions. [2018-09-21 18:29:04,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:29:04,569 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-21 18:29:04,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:04,592 INFO L225 Difference]: With dead ends: 483 [2018-09-21 18:29:04,593 INFO L226 Difference]: Without dead ends: 479 [2018-09-21 18:29:04,595 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 18:29:04,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-09-21 18:29:04,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2018-09-21 18:29:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-21 18:29:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 541 transitions. [2018-09-21 18:29:04,691 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 541 transitions. Word has length 17 [2018-09-21 18:29:04,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:04,692 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 541 transitions. [2018-09-21 18:29:04,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:29:04,692 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 541 transitions. [2018-09-21 18:29:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-21 18:29:04,694 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:04,694 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] [2018-09-21 18:29:04,694 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:04,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1338552630, now seen corresponding path program 1 times [2018-09-21 18:29:04,696 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:04,696 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 18:29:04,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:04,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:05,014 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 18:29:05,014 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:05,030 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:05,031 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-21 18:29:05,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-21 18:29:05,033 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-21 18:29:05,033 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-21 18:29:05,033 INFO L87 Difference]: Start difference. First operand 479 states and 541 transitions. Second operand 6 states. [2018-09-21 18:29:18,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:18,213 INFO L93 Difference]: Finished difference Result 485 states and 546 transitions. [2018-09-21 18:29:18,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-21 18:29:18,429 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-09-21 18:29:18,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:18,437 INFO L225 Difference]: With dead ends: 485 [2018-09-21 18:29:18,438 INFO L226 Difference]: Without dead ends: 481 [2018-09-21 18:29:18,439 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:29:18,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-21 18:29:18,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-21 18:29:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-21 18:29:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 538 transitions. [2018-09-21 18:29:18,468 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 538 transitions. Word has length 35 [2018-09-21 18:29:18,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:18,468 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 538 transitions. [2018-09-21 18:29:18,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-21 18:29:18,468 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 538 transitions. [2018-09-21 18:29:18,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-21 18:29:18,470 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:18,470 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] [2018-09-21 18:29:18,470 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:18,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1014915215, now seen corresponding path program 1 times [2018-09-21 18:29:18,471 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:18,471 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 18:29:18,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:18,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:18,757 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 18:29:18,761 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 18:29:18,761 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:18,773 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:18,785 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 18:29:18,785 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:29:18,809 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 18:29:18,815 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 18:29:18,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:18,819 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:18,824 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 18:29:18,824 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:29:18,962 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 18:29:18,962 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:18,977 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:18,977 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:29:18,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:29:18,978 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:29:18,978 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:29:18,979 INFO L87 Difference]: Start difference. First operand 479 states and 538 transitions. Second operand 9 states. [2018-09-21 18:29:26,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:26,304 INFO L93 Difference]: Finished difference Result 481 states and 539 transitions. [2018-09-21 18:29:26,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:29:26,306 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-09-21 18:29:26,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:26,309 INFO L225 Difference]: With dead ends: 481 [2018-09-21 18:29:26,309 INFO L226 Difference]: Without dead ends: 416 [2018-09-21 18:29:26,310 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:29:26,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-09-21 18:29:26,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2018-09-21 18:29:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-09-21 18:29:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 445 transitions. [2018-09-21 18:29:26,333 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 445 transitions. Word has length 37 [2018-09-21 18:29:26,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:26,334 INFO L480 AbstractCegarLoop]: Abstraction has 416 states and 445 transitions. [2018-09-21 18:29:26,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:29:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 445 transitions. [2018-09-21 18:29:26,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-21 18:29:26,339 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:26,340 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] [2018-09-21 18:29:26,340 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:26,340 INFO L82 PathProgramCache]: Analyzing trace with hash 573361158, now seen corresponding path program 1 times [2018-09-21 18:29:26,342 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:26,342 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) [2018-09-21 18:29:26,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-21 18:29:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:27,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:27,633 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 18:29:27,652 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 18:29:27,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:27,678 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:27,701 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 18:29:27,702 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:29:27,728 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 18:29:27,731 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 18:29:27,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:27,735 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:27,739 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 18:29:27,740 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:29:28,069 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 18:29:28,070 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:28,107 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:28,107 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:29:28,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:29:28,108 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:29:28,109 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:29:28,109 INFO L87 Difference]: Start difference. First operand 416 states and 445 transitions. Second operand 9 states. [2018-09-21 18:29:31,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:31,837 INFO L93 Difference]: Finished difference Result 412 states and 441 transitions. [2018-09-21 18:29:31,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 18:29:31,838 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2018-09-21 18:29:31,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:31,839 INFO L225 Difference]: With dead ends: 412 [2018-09-21 18:29:31,839 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:29:31,842 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:29:31,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:29:31,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:29:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:29:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:29:31,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 129 [2018-09-21 18:29:31,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:31,843 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:29:31,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:29:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:29:31,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:29:31,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:29:31 BoogieIcfgContainer [2018-09-21 18:29:31,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:29:31,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:29:31,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:29:31,856 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:29:31,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:29:04" (3/4) ... [2018-09-21 18:29:31,861 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:29:31,873 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:29:31,874 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-21 18:29:31,874 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2018-09-21 18:29:31,874 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_powf [2018-09-21 18:29:31,875 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2018-09-21 18:29:31,875 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:29:31,875 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_float [2018-09-21 18:29:31,875 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-21 18:29:31,910 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2018-09-21 18:29:31,913 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-09-21 18:29:31,915 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-09-21 18:29:31,917 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-21 18:29:32,167 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:29:32,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:29:32,173 INFO L168 Benchmark]: Toolchain (without parser) took 57002.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -94.7 MB). Peak memory consumption was 122.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:32,176 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:29:32,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.93 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 921.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:32,177 INFO L168 Benchmark]: Boogie Preprocessor took 158.64 ms. Allocated memory is still 1.0 GB. Free memory was 921.0 MB in the beginning and 915.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:32,179 INFO L168 Benchmark]: RCFGBuilder took 28069.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 915.6 MB in the beginning and 993.8 MB in the end (delta: -78.2 MB). Peak memory consumption was 76.9 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:32,179 INFO L168 Benchmark]: TraceAbstraction took 27743.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 993.8 MB in the beginning and 1.1 GB in the end (delta: -78.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:29:32,180 INFO L168 Benchmark]: Witness Printer took 317.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:32,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 705.93 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 921.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 158.64 ms. Allocated memory is still 1.0 GB. Free memory was 921.0 MB in the beginning and 915.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 28069.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 915.6 MB in the beginning and 993.8 MB in the end (delta: -78.2 MB). Peak memory consumption was 76.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27743.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 993.8 MB in the beginning and 1.1 GB in the end (delta: -78.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 317.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 599]: 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 9 procedures, 554 locations, 1 error locations. SAFE Result, 27.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 24.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1995 SDtfs, 2087 SDslu, 6153 SDs, 0 SdLazy, 529 SolverSat, 18 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 22.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=483occurred 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 214 ConstructedInterpolants, 78 QuantifiedInterpolants, 195168 SizeOfPredicates, 18 NumberOfNonLiveVariables, 872 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...