/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0872b_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_0872b_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 289e6cdc43ae64f9715b61872a04ac56756851bc --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_0872b_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 289e6cdc43ae64f9715b61872a04ac56756851bc --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 18:28:40,780 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:28:40,782 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:28:40,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:28:40,797 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:28:40,799 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:28:40,801 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:28:40,803 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:28:40,806 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:28:40,809 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:28:40,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:28:40,812 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:28:40,814 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:28:40,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:28:40,825 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:28:40,826 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:28:40,827 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:28:40,831 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:28:40,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:28:40,839 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:28:40,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:28:40,845 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:28:40,849 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:28:40,850 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:28:40,851 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:28:40,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:28:40,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:28:40,856 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:28:40,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:28:40,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:28:40,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:28:40,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:28:40,863 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:28:40,863 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:28:40,866 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:28:40,867 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:28:40,867 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:28:40,888 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:28:40,888 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:28:40,889 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:28:40,889 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:28:40,890 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:28:40,890 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:28:40,890 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:28:40,890 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:28:40,891 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:28:40,891 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:28:40,891 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:28:40,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:28:40,892 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:28:40,892 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:28:40,892 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:28:40,892 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:28:40,892 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:28:40,893 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:28:40,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:28:40,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:28:40,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:28:40,895 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:28:40,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:28:40,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:28:40,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:28:40,896 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:28:40,896 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:28:40,896 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:28:40,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:28:40,897 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 -> 289e6cdc43ae64f9715b61872a04ac56756851bc 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 18:28:40,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:28:40,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:28:40,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:28:40,969 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:28:40,970 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:28:40,971 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0872b_true-unreach-call.c [2018-09-21 18:28:41,309 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7409e884f/3b6d40cbefec4ae19f8651d6696ac1f0/FLAG9b0d163a7 [2018-09-21 18:28:41,511 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:28:41,512 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0872b_true-unreach-call.c [2018-09-21 18:28:41,525 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7409e884f/3b6d40cbefec4ae19f8651d6696ac1f0/FLAG9b0d163a7 [2018-09-21 18:28:41,543 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7409e884f/3b6d40cbefec4ae19f8651d6696ac1f0 [2018-09-21 18:28:41,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:28:41,551 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:28:41,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:41,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:28:41,560 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:28:41,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:41" (1/1) ... [2018-09-21 18:28:41,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639e578c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:41, skipping insertion in model container [2018-09-21 18:28:41,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:41" (1/1) ... [2018-09-21 18:28:41,582 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:28:41,980 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 18:28:41,995 INFO L168 Benchmark]: Toolchain (without parser) took 446.75 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 938.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:28:42,004 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 18:28:42,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.89 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 938.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:28:42,010 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 441.89 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 938.4 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 18:28:44,337 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:28:44,338 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:28:44,351 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:28:44,352 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:28:44,353 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:28:44,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:28:44,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:28:44,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:28:44,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:28:44,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:28:44,361 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:28:44,362 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:28:44,363 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:28:44,364 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:28:44,365 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:28:44,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:28:44,368 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:28:44,371 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:28:44,373 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:28:44,374 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:28:44,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:28:44,378 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:28:44,378 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:28:44,379 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:28:44,380 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:28:44,381 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:28:44,386 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:28:44,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:28:44,388 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:28:44,388 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:28:44,389 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:28:44,389 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:28:44,389 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:28:44,390 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:28:44,392 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:28:44,393 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:28:44,430 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:28:44,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:28:44,431 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:28:44,432 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:28:44,433 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:28:44,433 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:28:44,433 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:28:44,434 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:28:44,434 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:28:44,434 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:28:44,434 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:28:44,434 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:28:44,435 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:28:44,436 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:28:44,436 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:28:44,436 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:28:44,436 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:28:44,436 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:28:44,436 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:28:44,437 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:28:44,437 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:28:44,437 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:28:44,437 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:28:44,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:28:44,438 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:28:44,438 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:28:44,438 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:28:44,439 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:28:44,439 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:28:44,439 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:28:44,439 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:28:44,439 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 -> 289e6cdc43ae64f9715b61872a04ac56756851bc 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 18:28:44,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:28:44,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:28:44,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:28:44,521 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:28:44,521 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:28:44,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0872b_true-unreach-call.c [2018-09-21 18:28:44,879 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c6925a6f/828626ab734842fb92b4a686b8f4f6d8/FLAG5c02c11e6 [2018-09-21 18:28:45,122 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:28:45,123 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0872b_true-unreach-call.c [2018-09-21 18:28:45,136 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c6925a6f/828626ab734842fb92b4a686b8f4f6d8/FLAG5c02c11e6 [2018-09-21 18:28:45,155 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c6925a6f/828626ab734842fb92b4a686b8f4f6d8 [2018-09-21 18:28:45,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:28:45,164 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:28:45,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:45,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:28:45,173 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:28:45,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:45" (1/1) ... [2018-09-21 18:28:45,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29619efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45, skipping insertion in model container [2018-09-21 18:28:45,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:45" (1/1) ... [2018-09-21 18:28:45,187 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:28:45,644 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:28:45,692 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:28:45,894 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:28:45,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45 WrapperNode [2018-09-21 18:28:45,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:45,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:28:45,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:28:45,945 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:28:45,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45" (1/1) ... [2018-09-21 18:28:45,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45" (1/1) ... [2018-09-21 18:28:45,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45" (1/1) ... [2018-09-21 18:28:45,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45" (1/1) ... [2018-09-21 18:28:46,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45" (1/1) ... [2018-09-21 18:28:46,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45" (1/1) ... [2018-09-21 18:28:46,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45" (1/1) ... [2018-09-21 18:28:46,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:28:46,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:28:46,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:28:46,221 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:28:46,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45" (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 18:28:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:28:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:28:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-09-21 18:28:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-21 18:28:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2018-09-21 18:28:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2018-09-21 18:28:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-21 18:28:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_powf [2018-09-21 18:28:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:28:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:28:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-21 18:28:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-09-21 18:28:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:28:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-21 18:28:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:28:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:28:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:28:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-21 18:28:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-21 18:28:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2018-09-21 18:28:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2018-09-21 18:28:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-21 18:28:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_powf [2018-09-21 18:28:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:28:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:28:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:28:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:28:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-21 18:28:46,766 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:46,791 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:46,824 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:46,837 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:46,986 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:47,034 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:47,141 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:47,149 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:52,396 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:52,419 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:52,673 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:52,699 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:53,873 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:53,885 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:56,154 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:56,167 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:58,292 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:28:58,335 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,500 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,506 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,909 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,916 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:01,971 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:01,978 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:04,982 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:04,990 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:07,289 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:07,333 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:09,919 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:09,950 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:10,414 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:10,454 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:10,624 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:10,639 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:10,971 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:10,977 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:11,003 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:11,041 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:11,748 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:11,754 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:12,393 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:29:12,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:29:12 BoogieIcfgContainer [2018-09-21 18:29:12,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:29:12,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:29:12,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:29:12,399 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:29:12,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:28:45" (1/3) ... [2018-09-21 18:29:12,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4fea35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:29:12, skipping insertion in model container [2018-09-21 18:29:12,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:45" (2/3) ... [2018-09-21 18:29:12,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4fea35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:29:12, skipping insertion in model container [2018-09-21 18:29:12,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:29:12" (3/3) ... [2018-09-21 18:29:12,409 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0872b_true-unreach-call.c [2018-09-21 18:29:12,421 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:29:12,434 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:29:12,478 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:29:12,478 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:29:12,479 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:29:12,479 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:29:12,479 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:29:12,479 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:29:12,479 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:29:12,480 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:29:12,480 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:29:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states. [2018-09-21 18:29:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-21 18:29:12,526 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:12,527 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 18:29:12,530 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:12,536 INFO L82 PathProgramCache]: Analyzing trace with hash 93333362, now seen corresponding path program 1 times [2018-09-21 18:29:12,542 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:12,543 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 18:29:12,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:12,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:12,740 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 18:29:12,741 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:12,759 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:12,759 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:29:12,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:29:12,781 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:29:12,782 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:29:12,785 INFO L87 Difference]: Start difference. First operand 483 states. Second operand 2 states. [2018-09-21 18:29:12,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:12,849 INFO L93 Difference]: Finished difference Result 483 states and 545 transitions. [2018-09-21 18:29:12,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:29:12,850 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-21 18:29:12,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:12,870 INFO L225 Difference]: With dead ends: 483 [2018-09-21 18:29:12,870 INFO L226 Difference]: Without dead ends: 479 [2018-09-21 18:29:12,873 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 18:29:12,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-09-21 18:29:12,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2018-09-21 18:29:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-21 18:29:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 541 transitions. [2018-09-21 18:29:12,968 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 541 transitions. Word has length 17 [2018-09-21 18:29:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:12,969 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 541 transitions. [2018-09-21 18:29:12,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:29:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 541 transitions. [2018-09-21 18:29:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-21 18:29:12,971 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:12,972 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 18:29:12,972 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:12,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1338552630, now seen corresponding path program 1 times [2018-09-21 18:29:12,974 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:12,974 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 18:29:12,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:13,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:13,305 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 18:29:13,305 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:13,319 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:13,320 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-21 18:29:13,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-21 18:29:13,322 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-21 18:29:13,322 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-21 18:29:13,322 INFO L87 Difference]: Start difference. First operand 479 states and 541 transitions. Second operand 6 states. [2018-09-21 18:29:27,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:27,441 INFO L93 Difference]: Finished difference Result 563 states and 634 transitions. [2018-09-21 18:29:27,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-21 18:29:27,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-09-21 18:29:27,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:27,456 INFO L225 Difference]: With dead ends: 563 [2018-09-21 18:29:27,456 INFO L226 Difference]: Without dead ends: 559 [2018-09-21 18:29:27,458 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 18:29:27,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2018-09-21 18:29:27,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 479. [2018-09-21 18:29:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-21 18:29:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 538 transitions. [2018-09-21 18:29:27,489 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 538 transitions. Word has length 35 [2018-09-21 18:29:27,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:27,489 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 538 transitions. [2018-09-21 18:29:27,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-21 18:29:27,490 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 538 transitions. [2018-09-21 18:29:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-21 18:29:27,492 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:27,493 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 18:29:27,493 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:27,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1014915215, now seen corresponding path program 1 times [2018-09-21 18:29:27,494 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:27,494 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 18:29:27,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:27,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:27,791 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 18:29:27,796 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 18:29:27,796 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:27,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:27,815 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 18:29:27,815 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:29:27,841 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 18:29:27,845 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 18:29:27,846 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:27,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:27,853 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 18:29:27,854 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:29:28,014 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 18:29:28,014 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:28,030 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:28,030 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:29:28,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:29:28,032 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:29:28,032 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:29:28,033 INFO L87 Difference]: Start difference. First operand 479 states and 538 transitions. Second operand 9 states. [2018-09-21 18:29:35,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:35,305 INFO L93 Difference]: Finished difference Result 481 states and 539 transitions. [2018-09-21 18:29:35,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:29:35,306 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-09-21 18:29:35,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:35,309 INFO L225 Difference]: With dead ends: 481 [2018-09-21 18:29:35,309 INFO L226 Difference]: Without dead ends: 416 [2018-09-21 18:29:35,310 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 18:29:35,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-09-21 18:29:35,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2018-09-21 18:29:35,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-09-21 18:29:35,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 445 transitions. [2018-09-21 18:29:35,326 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 445 transitions. Word has length 37 [2018-09-21 18:29:35,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:35,327 INFO L480 AbstractCegarLoop]: Abstraction has 416 states and 445 transitions. [2018-09-21 18:29:35,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:29:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 445 transitions. [2018-09-21 18:29:35,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-21 18:29:35,334 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:35,334 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 18:29:35,334 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:35,335 INFO L82 PathProgramCache]: Analyzing trace with hash 573361158, now seen corresponding path program 1 times [2018-09-21 18:29:35,336 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:35,336 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 18:29:35,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:36,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:36,624 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 18:29:36,639 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 18:29:36,640 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:36,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:36,666 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 18:29:36,667 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:29:36,687 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 18:29:36,692 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 18:29:36,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:36,695 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:36,698 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 18:29:36,698 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:29:37,044 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 18:29:37,044 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:37,075 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:37,076 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:29:37,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:29:37,076 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:29:37,077 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:29:37,077 INFO L87 Difference]: Start difference. First operand 416 states and 445 transitions. Second operand 9 states. [2018-09-21 18:29:40,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:40,857 INFO L93 Difference]: Finished difference Result 412 states and 441 transitions. [2018-09-21 18:29:40,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 18:29:40,858 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2018-09-21 18:29:40,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:40,860 INFO L225 Difference]: With dead ends: 412 [2018-09-21 18:29:40,860 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:29:40,861 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 18:29:40,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:29:40,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:29:40,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:29:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:29:40,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 129 [2018-09-21 18:29:40,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:40,862 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:29:40,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:29:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:29:40,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:29:40,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:29:40 BoogieIcfgContainer [2018-09-21 18:29:40,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:29:40,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:29:40,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:29:40,872 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:29:40,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:29:12" (3/4) ... [2018-09-21 18:29:40,878 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:29:40,887 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:29:40,887 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-21 18:29:40,887 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2018-09-21 18:29:40,888 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_powf [2018-09-21 18:29:40,888 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2018-09-21 18:29:40,888 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:29:40,888 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_float [2018-09-21 18:29:40,890 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-21 18:29:40,908 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2018-09-21 18:29:40,911 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-09-21 18:29:40,912 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-09-21 18:29:40,914 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-21 18:29:41,145 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:29:41,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:29:41,146 INFO L168 Benchmark]: Toolchain (without parser) took 55985.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 951.8 MB in the beginning and 1.0 GB in the end (delta: -69.3 MB). Peak memory consumption was 150.9 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:41,148 INFO L168 Benchmark]: CDTParser took 0.23 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 18:29:41,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 919.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:41,149 INFO L168 Benchmark]: Boogie Preprocessor took 276.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 919.6 MB in the beginning and 1.1 GB in the end (delta: -216.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:41,150 INFO L168 Benchmark]: RCFGBuilder took 26173.25 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: 132.1 MB). Peak memory consumption was 132.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:41,150 INFO L168 Benchmark]: TraceAbstraction took 28475.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -39.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:41,150 INFO L168 Benchmark]: Witness Printer took 274.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:29:41,155 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 778.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 919.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 276.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 919.6 MB in the beginning and 1.1 GB in the end (delta: -216.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 26173.25 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: 132.1 MB). Peak memory consumption was 132.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28475.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -39.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Witness Printer took 274.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 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, 28.4s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 25.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1995 SDtfs, 1992 SDslu, 6238 SDs, 0 SdLazy, 526 SolverSat, 18 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 23.0s 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, 80 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, 195332 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...