/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864b_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 fa002a274dcf3785c5e54826d6649d77e1293419 ......................................................................................................................................................... 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/double_req_bl_0864b_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 fa002a274dcf3785c5e54826d6649d77e1293419 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 14:47:00,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:47:00,789 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:47:00,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:47:00,802 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:47:00,804 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:47:00,805 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:47:00,807 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:47:00,809 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:47:00,810 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:47:00,811 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:47:00,811 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:47:00,812 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:47:00,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:47:00,815 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:47:00,816 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:47:00,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:47:00,819 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:47:00,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:47:00,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:47:00,824 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:47:00,825 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:47:00,827 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:47:00,828 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:47:00,828 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:47:00,829 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:47:00,830 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:47:00,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:47:00,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:47:00,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:47:00,834 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:47:00,835 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:47:00,835 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:47:00,835 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:47:00,836 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:47:00,837 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:47:00,838 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:47:00,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:47:00,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:47:00,855 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:47:00,855 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:47:00,856 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:47:00,856 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:47:00,857 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:47:00,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:47:00,857 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:47:00,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:47:00,858 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:47:00,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:47:00,858 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:47:00,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:47:00,858 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:47:00,859 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:47:00,859 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:47:00,859 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:47:00,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:47:00,861 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:47:00,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:47:00,861 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:47:00,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:47:00,862 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:47:00,862 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:47:00,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:47:00,862 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:47:00,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:47:00,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:47:00,863 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 -> fa002a274dcf3785c5e54826d6649d77e1293419 [2018-09-20 14:47:00,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:47:00,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:47:00,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:47:00,940 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:47:00,940 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:47:00,942 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864b_true-unreach-call.c [2018-09-20 14:47:01,333 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358a2ead8/b1e007b5b6c74861a67196d4fd9731b1/FLAGf206540c5 [2018-09-20 14:47:01,603 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:47:01,605 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0864b_true-unreach-call.c [2018-09-20 14:47:01,627 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358a2ead8/b1e007b5b6c74861a67196d4fd9731b1/FLAGf206540c5 [2018-09-20 14:47:01,655 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358a2ead8/b1e007b5b6c74861a67196d4fd9731b1 [2018-09-20 14:47:01,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:47:01,669 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:47:01,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:47:01,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:47:01,680 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:47:01,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:47:01" (1/1) ... [2018-09-20 14:47:01,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd817bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:01, skipping insertion in model container [2018-09-20 14:47:01,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:47:01" (1/1) ... [2018-09-20 14:47:01,699 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:47:02,196 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$37(StandardFunctionHandler.java:260) 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) [2018-09-20 14:47:02,208 INFO L168 Benchmark]: Toolchain (without parser) took 540.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 14:47:02,210 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:47:02,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.22 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 14:47:02,219 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 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 533.22 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 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 0.1.23-40ef509 [2018-09-20 14:47:04,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:47:04,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:47:04,445 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:47:04,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:47:04,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:47:04,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:47:04,457 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:47:04,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:47:04,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:47:04,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:47:04,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:47:04,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:47:04,464 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:47:04,465 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:47:04,466 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:47:04,467 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:47:04,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:47:04,471 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:47:04,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:47:04,474 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:47:04,475 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:47:04,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:47:04,480 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:47:04,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:47:04,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:47:04,485 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:47:04,486 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:47:04,487 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:47:04,488 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:47:04,488 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:47:04,489 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:47:04,489 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:47:04,489 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:47:04,490 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:47:04,491 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:47:04,491 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:47:04,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:47:04,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:47:04,527 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:47:04,527 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:47:04,528 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:47:04,528 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:47:04,528 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:47:04,528 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:47:04,529 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:47:04,530 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:47:04,530 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:47:04,530 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:47:04,530 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:47:04,530 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:47:04,531 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:47:04,531 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:47:04,531 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:47:04,531 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:47:04,531 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:47:04,533 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:47:04,533 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:47:04,533 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:47:04,533 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:47:04,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:47:04,534 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:47:04,534 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:47:04,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:47:04,534 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:47:04,535 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:47:04,535 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:47:04,536 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:47:04,536 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 -> fa002a274dcf3785c5e54826d6649d77e1293419 [2018-09-20 14:47:04,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:47:04,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:47:04,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:47:04,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:47:04,642 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:47:04,643 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864b_true-unreach-call.c [2018-09-20 14:47:04,996 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2eea29c8/273a55b4871449edb68b27e653b82402/FLAG17163eda7 [2018-09-20 14:47:05,280 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:47:05,281 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0864b_true-unreach-call.c [2018-09-20 14:47:05,293 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2eea29c8/273a55b4871449edb68b27e653b82402/FLAG17163eda7 [2018-09-20 14:47:05,310 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2eea29c8/273a55b4871449edb68b27e653b82402 [2018-09-20 14:47:05,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:47:05,318 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:47:05,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:47:05,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:47:05,327 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:47:05,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:47:05" (1/1) ... [2018-09-20 14:47:05,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53cfb97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:05, skipping insertion in model container [2018-09-20 14:47:05,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:47:05" (1/1) ... [2018-09-20 14:47:05,345 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:47:05,864 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:47:05,902 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:47:06,104 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:47:06,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:06 WrapperNode [2018-09-20 14:47:06,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:47:06,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:47:06,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:47:06,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:47:06,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:06" (1/1) ... [2018-09-20 14:47:06,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:06" (1/1) ... [2018-09-20 14:47:06,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:06" (1/1) ... [2018-09-20 14:47:06,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:06" (1/1) ... [2018-09-20 14:47:06,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:06" (1/1) ... [2018-09-20 14:47:06,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:06" (1/1) ... [2018-09-20 14:47:06,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:06" (1/1) ... [2018-09-20 14:47:06,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:47:06,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:47:06,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:47:06,457 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:47:06,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:47:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:47:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:47:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2018-09-20 14:47:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:47:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isinteger_double [2018-09-20 14:47:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-09-20 14:47:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-09-20 14:47:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-09-20 14:47:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:47:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-20 14:47:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-09-20 14:47:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:47:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:47:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:47:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2018-09-20 14:47:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:47:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:47:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:47:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:47:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:47:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:47:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:47:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure isinteger_double [2018-09-20 14:47:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-09-20 14:47:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-09-20 14:47:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-09-20 14:47:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:47:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-20 14:47:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-09-20 14:47:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:47:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:47:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:47:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:47:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:47:07,309 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:08,228 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:08,256 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:09,206 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:09,216 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:10,114 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:11,596 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:11,717 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:11,732 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:11,778 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:11,790 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:11,822 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:11,939 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:11,986 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:11,998 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:12,790 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:12,811 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:12,892 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:15,462 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:15,497 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:18,213 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:20,456 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:22,844 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:24,785 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:27,011 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:27,021 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:27,032 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:27,069 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:27,083 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:28,532 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:34,351 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:34,377 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:34,417 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:34,431 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:34,732 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:37,822 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:37,833 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:37,881 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:55,236 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:56,034 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:56,076 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:56,128 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:58,113 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:58,130 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:58,160 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:02,600 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:02,648 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:02,690 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:04,825 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:04,837 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:04,862 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:04,910 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:04,924 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:05,421 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:08,233 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:48:08,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:48:08 BoogieIcfgContainer [2018-09-20 14:48:08,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:48:08,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:48:08,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:48:08,238 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:48:08,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:47:05" (1/3) ... [2018-09-20 14:48:08,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7163a0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:48:08, skipping insertion in model container [2018-09-20 14:48:08,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:06" (2/3) ... [2018-09-20 14:48:08,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7163a0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:48:08, skipping insertion in model container [2018-09-20 14:48:08,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:48:08" (3/3) ... [2018-09-20 14:48:08,243 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0864b_true-unreach-call.c [2018-09-20 14:48:08,254 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:48:08,263 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:48:08,321 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:48:08,322 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:48:08,322 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:48:08,322 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:48:08,322 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:48:08,322 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:48:08,322 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:48:08,322 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:48:08,323 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:48:08,375 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states. [2018-09-20 14:48:08,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 14:48:08,389 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:48:08,391 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] [2018-09-20 14:48:08,393 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:48:08,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1836741029, now seen corresponding path program 1 times [2018-09-20 14:48:08,403 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:48:08,403 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 14:48:08,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:48:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:48:08,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:48:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:48:08,705 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:48:08,728 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:48:08,729 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:48:08,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:48:08,746 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:48:08,747 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:48:08,750 INFO L87 Difference]: Start difference. First operand 674 states. Second operand 2 states. [2018-09-20 14:48:08,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:48:08,854 INFO L93 Difference]: Finished difference Result 1339 states and 1756 transitions. [2018-09-20 14:48:08,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:48:08,856 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-09-20 14:48:08,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:48:08,881 INFO L225 Difference]: With dead ends: 1339 [2018-09-20 14:48:08,881 INFO L226 Difference]: Without dead ends: 669 [2018-09-20 14:48:08,891 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:48:08,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2018-09-20 14:48:08,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2018-09-20 14:48:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-20 14:48:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 793 transitions. [2018-09-20 14:48:08,989 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 793 transitions. Word has length 27 [2018-09-20 14:48:08,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:48:08,989 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 793 transitions. [2018-09-20 14:48:08,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:48:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 793 transitions. [2018-09-20 14:48:08,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-20 14:48:08,996 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:48:08,996 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] [2018-09-20 14:48:08,997 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:48:08,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1947173955, now seen corresponding path program 1 times [2018-09-20 14:48:08,999 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:48:09,000 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) [2018-09-20 14:48:09,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 14:48:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:48:09,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:48:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:48:09,347 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:48:09,362 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:48:09,363 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-20 14:48:09,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-20 14:48:09,365 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-20 14:48:09,365 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-20 14:48:09,365 INFO L87 Difference]: Start difference. First operand 669 states and 793 transitions. Second operand 4 states. [2018-09-20 14:48:09,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:48:09,487 INFO L93 Difference]: Finished difference Result 1233 states and 1453 transitions. [2018-09-20 14:48:09,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-20 14:48:09,490 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-09-20 14:48:09,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:48:09,495 INFO L225 Difference]: With dead ends: 1233 [2018-09-20 14:48:09,495 INFO L226 Difference]: Without dead ends: 669 [2018-09-20 14:48:09,498 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-20 14:48:09,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2018-09-20 14:48:09,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2018-09-20 14:48:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-20 14:48:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 791 transitions. [2018-09-20 14:48:09,532 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 791 transitions. Word has length 66 [2018-09-20 14:48:09,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:48:09,532 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 791 transitions. [2018-09-20 14:48:09,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-20 14:48:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 791 transitions. [2018-09-20 14:48:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-20 14:48:09,539 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:48:09,540 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] [2018-09-20 14:48:09,540 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:48:09,540 INFO L82 PathProgramCache]: Analyzing trace with hash 724547759, now seen corresponding path program 1 times [2018-09-20 14:48:09,541 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:48:09,542 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 14:48:09,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:48:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:48:11,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:48:11,123 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-20 14:48:11,171 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 14 treesize of output 11 [2018-09-20 14:48:11,190 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 11 treesize of output 10 [2018-09-20 14:48:11,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:48:11,264 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:48:11,442 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:48:11,443 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-20 14:48:11,587 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 20 treesize of output 16 [2018-09-20 14:48:11,596 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 16 treesize of output 4 [2018-09-20 14:48:11,596 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:48:11,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:48:11,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:48:11,770 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-20 14:48:11,962 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 14 treesize of output 11 [2018-09-20 14:48:11,983 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 11 treesize of output 10 [2018-09-20 14:48:11,984 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:48:12,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:48:12,142 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:48:12,142 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-20 14:48:12,365 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 20 treesize of output 16 [2018-09-20 14:48:12,380 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 16 treesize of output 4 [2018-09-20 14:48:12,381 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:48:12,411 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:48:12,541 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:48:12,542 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:27 [2018-09-20 14:48:13,679 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2018-09-20 14:48:14,068 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 14 treesize of output 11 [2018-09-20 14:48:14,075 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 11 treesize of output 10 [2018-09-20 14:48:14,075 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:48:14,082 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:48:14,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:48:14,118 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:48:14,368 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 20 treesize of output 16 [2018-09-20 14:48:14,387 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 16 treesize of output 4 [2018-09-20 14:48:14,387 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:48:14,411 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:48:14,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:48:14,472 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:48:15,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:48:15,401 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:48:15,434 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:48:15,435 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-20 14:48:15,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-20 14:48:15,436 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-20 14:48:15,436 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-09-20 14:48:15,436 INFO L87 Difference]: Start difference. First operand 669 states and 791 transitions. Second operand 18 states. [2018-09-20 14:48:16,900 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-20 14:48:17,600 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-20 14:48:19,013 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:48:19,487 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 14:48:20,167 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-20 14:48:20,793 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 14:48:21,722 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:48:22,280 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-20 14:48:28,593 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-20 14:48:29,851 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-09-20 14:48:39,151 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 14:49:12,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:49:12,476 INFO L93 Difference]: Finished difference Result 766 states and 909 transitions. [2018-09-20 14:49:12,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-09-20 14:49:12,480 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 129 [2018-09-20 14:49:12,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:49:12,486 INFO L225 Difference]: With dead ends: 766 [2018-09-20 14:49:12,487 INFO L226 Difference]: Without dead ends: 743 [2018-09-20 14:49:12,488 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=165, Invalid=1241, Unknown=0, NotChecked=0, Total=1406 [2018-09-20 14:49:12,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2018-09-20 14:49:12,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 726. [2018-09-20 14:49:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-09-20 14:49:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 865 transitions. [2018-09-20 14:49:12,530 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 865 transitions. Word has length 129 [2018-09-20 14:49:12,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:49:12,531 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 865 transitions. [2018-09-20 14:49:12,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-20 14:49:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 865 transitions. [2018-09-20 14:49:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-20 14:49:12,538 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:49:12,538 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:49:12,539 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:49:12,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1212153043, now seen corresponding path program 1 times [2018-09-20 14:49:12,540 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:49:12,540 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) [2018-09-20 14:49:12,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 14:49:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:49:12,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:49:13,061 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-09-20 14:49:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:49:13,214 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:49:13,230 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:49:13,230 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:49:13,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:49:13,231 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:49:13,231 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:49:13,231 INFO L87 Difference]: Start difference. First operand 726 states and 865 transitions. Second operand 9 states. [2018-09-20 14:49:18,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:49:18,061 INFO L93 Difference]: Finished difference Result 1297 states and 1531 transitions. [2018-09-20 14:49:18,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-20 14:49:18,063 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 131 [2018-09-20 14:49:18,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:49:18,072 INFO L225 Difference]: With dead ends: 1297 [2018-09-20 14:49:18,072 INFO L226 Difference]: Without dead ends: 730 [2018-09-20 14:49:18,075 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-09-20 14:49:18,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-09-20 14:49:18,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 726. [2018-09-20 14:49:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-09-20 14:49:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 864 transitions. [2018-09-20 14:49:18,126 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 864 transitions. Word has length 131 [2018-09-20 14:49:18,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:49:18,126 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 864 transitions. [2018-09-20 14:49:18,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:49:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 864 transitions. [2018-09-20 14:49:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-20 14:49:18,131 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:49:18,131 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:49:18,132 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:49:18,132 INFO L82 PathProgramCache]: Analyzing trace with hash 564097052, now seen corresponding path program 1 times [2018-09-20 14:49:18,134 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:49:18,134 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 14:49:18,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:49:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:49:18,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:49:18,966 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-20 14:49:19,114 INFO L303 Elim1Store]: Index analysis took 145 ms [2018-09-20 14:49:19,115 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 14 treesize of output 11 [2018-09-20 14:49:19,131 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 11 treesize of output 10 [2018-09-20 14:49:19,132 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:19,165 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:19,297 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:19,297 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-20 14:49:19,508 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-20 14:49:19,517 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 20 treesize of output 16 [2018-09-20 14:49:19,524 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 16 treesize of output 4 [2018-09-20 14:49:19,525 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:19,576 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:19,665 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:19,666 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-20 14:49:20,030 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 14 treesize of output 11 [2018-09-20 14:49:20,037 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 11 treesize of output 10 [2018-09-20 14:49:20,038 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:20,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:20,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:20,089 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-20 14:49:20,204 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 20 treesize of output 16 [2018-09-20 14:49:20,212 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 16 treesize of output 4 [2018-09-20 14:49:20,212 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:20,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:20,249 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:20,250 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:27 [2018-09-20 14:49:21,358 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 14 treesize of output 11 [2018-09-20 14:49:21,369 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 11 treesize of output 10 [2018-09-20 14:49:21,369 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:21,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:21,396 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:21,396 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:49:21,594 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 20 treesize of output 16 [2018-09-20 14:49:21,600 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 16 treesize of output 4 [2018-09-20 14:49:21,600 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:21,608 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:21,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:21,626 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:49:22,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:49:22,529 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:49:22,546 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:49:22,546 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-20 14:49:22,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-20 14:49:22,547 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-20 14:49:22,547 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-09-20 14:49:22,548 INFO L87 Difference]: Start difference. First operand 726 states and 864 transitions. Second operand 18 states. [2018-09-20 14:49:23,529 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-20 14:49:24,061 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-20 14:49:24,650 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-20 14:49:25,820 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:49:26,296 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 14:49:26,984 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-20 14:49:27,915 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 14:49:29,288 WARN L178 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:49:29,811 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-20 14:49:34,054 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-09-20 14:50:11,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:50:11,595 INFO L93 Difference]: Finished difference Result 776 states and 920 transitions. [2018-09-20 14:50:11,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-09-20 14:50:11,598 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 132 [2018-09-20 14:50:11,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:50:11,604 INFO L225 Difference]: With dead ends: 776 [2018-09-20 14:50:11,604 INFO L226 Difference]: Without dead ends: 751 [2018-09-20 14:50:11,607 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=165, Invalid=1241, Unknown=0, NotChecked=0, Total=1406 [2018-09-20 14:50:11,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2018-09-20 14:50:11,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 669. [2018-09-20 14:50:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-20 14:50:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 789 transitions. [2018-09-20 14:50:11,650 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 789 transitions. Word has length 132 [2018-09-20 14:50:11,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:50:11,651 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 789 transitions. [2018-09-20 14:50:11,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-20 14:50:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 789 transitions. [2018-09-20 14:50:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-20 14:50:11,655 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:50:11,655 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:50:11,655 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:50:11,656 INFO L82 PathProgramCache]: Analyzing trace with hash -895645421, now seen corresponding path program 1 times [2018-09-20 14:50:11,656 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:50:11,657 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 14:50:11,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 14:50:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:50:13,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:50:13,191 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 14 treesize of output 11 [2018-09-20 14:50:13,200 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 11 treesize of output 10 [2018-09-20 14:50:13,201 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:13,207 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:13,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:13,228 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:50:13,276 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 20 treesize of output 16 [2018-09-20 14:50:13,282 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 16 treesize of output 4 [2018-09-20 14:50:13,283 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:13,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:13,305 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:13,306 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:50:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:50:13,579 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:50:13,610 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:50:13,611 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:50:13,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:50:13,613 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:50:13,613 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:50:13,613 INFO L87 Difference]: Start difference. First operand 669 states and 789 transitions. Second operand 9 states. [2018-09-20 14:50:14,508 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 14:50:14,912 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:50:15,658 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 14:50:35,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:50:35,468 INFO L93 Difference]: Finished difference Result 794 states and 924 transitions. [2018-09-20 14:50:35,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 14:50:35,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 131 [2018-09-20 14:50:35,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:50:35,476 INFO L225 Difference]: With dead ends: 794 [2018-09-20 14:50:35,477 INFO L226 Difference]: Without dead ends: 769 [2018-09-20 14:50:35,477 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-20 14:50:35,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2018-09-20 14:50:35,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 669. [2018-09-20 14:50:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-20 14:50:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 787 transitions. [2018-09-20 14:50:35,522 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 787 transitions. Word has length 131 [2018-09-20 14:50:35,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:50:35,525 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 787 transitions. [2018-09-20 14:50:35,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:50:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 787 transitions. [2018-09-20 14:50:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-20 14:50:35,527 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:50:35,527 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:50:35,527 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:50:35,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1322112532, now seen corresponding path program 1 times [2018-09-20 14:50:35,530 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:50:35,530 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 14:50:35,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 14:50:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:50:36,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:50:37,064 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 14 treesize of output 11 [2018-09-20 14:50:37,072 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 11 treesize of output 10 [2018-09-20 14:50:37,073 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:37,486 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:37,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:37,752 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2018-09-20 14:50:37,909 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-20 14:50:37,982 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 20 treesize of output 16 [2018-09-20 14:50:38,247 INFO L303 Elim1Store]: Index analysis took 263 ms [2018-09-20 14:50:38,248 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 16 treesize of output 4 [2018-09-20 14:50:38,249 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:38,281 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:38,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:38,375 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:20 [2018-09-20 14:50:38,571 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-20 14:50:38,757 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-20 14:50:38,843 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 14 treesize of output 11 [2018-09-20 14:50:38,889 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 11 treesize of output 10 [2018-09-20 14:50:38,890 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:39,147 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:39,270 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:39,271 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:39 [2018-09-20 14:50:39,608 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:50:39,636 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 20 treesize of output 16 [2018-09-20 14:50:39,647 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 16 treesize of output 4 [2018-09-20 14:50:39,647 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:39,673 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:40,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:40,169 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:48, output treesize:33 [2018-09-20 14:50:40,651 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:50:43,359 WARN L797 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_double_#res| (let ((.cse2 (fp.mul RNE |c_fmod_double_#in~x| |c_fmod_double_#in~y|))) (fp.div RNE .cse2 .cse2))))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_62| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_62|) ((_ extract 62 52) |v_q#valueAsBitvector_62|) ((_ extract 51 0) |v_q#valueAsBitvector_62|)))) (exists ((|v_q#valueAsBitvector_63| (_ BitVec 64)) (fmod_double_~ly~0 (_ BitVec 32))) (and (= (_ bv0 32) (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_63|) (_ bv2147483647 32)) fmod_double_~ly~0)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_63|) ((_ extract 62 52) |v_q#valueAsBitvector_63|) ((_ extract 51 0) |v_q#valueAsBitvector_63|)))))) (and .cse0 (exists ((v_prenex_10 (_ BitVec 64)) (v_prenex_12 (_ BitVec 32))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (bvugt (bvor (bvand ((_ extract 63 32) v_prenex_10) (_ bv2147483647 32)) (bvlshr (bvor v_prenex_12 (bvneg v_prenex_12)) (_ bv31 32))) (_ bv2146435072 32)))) (exists ((v_prenex_11 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))))) (and (exists ((v_prenex_7 (_ BitVec 64))) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)))) .cse0 (exists ((v_prenex_8 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_8))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32))))))) is different from false [2018-09-20 14:50:45,866 WARN L819 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_double_#res| (let ((.cse2 (fp.mul RNE |c_fmod_double_#in~x| |c_fmod_double_#in~y|))) (fp.div RNE .cse2 .cse2))))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_62| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_62|) ((_ extract 62 52) |v_q#valueAsBitvector_62|) ((_ extract 51 0) |v_q#valueAsBitvector_62|)))) (exists ((|v_q#valueAsBitvector_63| (_ BitVec 64)) (fmod_double_~ly~0 (_ BitVec 32))) (and (= (_ bv0 32) (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_63|) (_ bv2147483647 32)) fmod_double_~ly~0)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_63|) ((_ extract 62 52) |v_q#valueAsBitvector_63|) ((_ extract 51 0) |v_q#valueAsBitvector_63|)))))) (and .cse0 (exists ((v_prenex_10 (_ BitVec 64)) (v_prenex_12 (_ BitVec 32))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (bvugt (bvor (bvand ((_ extract 63 32) v_prenex_10) (_ bv2147483647 32)) (bvlshr (bvor v_prenex_12 (bvneg v_prenex_12)) (_ bv31 32))) (_ bv2146435072 32)))) (exists ((v_prenex_11 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))))) (and (exists ((v_prenex_7 (_ BitVec 64))) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)))) .cse0 (exists ((v_prenex_8 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_8))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32))))))) is different from true [2018-09-20 14:51:19,016 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-09-20 14:51:19,217 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2018-09-20 14:51:19,219 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:154) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:893) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:732) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:338) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:236) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:430) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 39 more [2018-09-20 14:51:19,232 INFO L168 Benchmark]: Toolchain (without parser) took 253911.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 262.1 MB). Free memory was 947.8 MB in the beginning and 817.5 MB in the end (delta: 130.3 MB). Peak memory consumption was 392.5 MB. Max. memory is 11.5 GB. [2018-09-20 14:51:19,234 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:51:19,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.71 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 904.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:51:19,235 INFO L168 Benchmark]: Boogie Preprocessor took 273.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 904.9 MB in the beginning and 1.1 GB in the end (delta: -221.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:51:19,235 INFO L168 Benchmark]: RCFGBuilder took 61776.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.9 MB in the end (delta: 164.8 MB). Peak memory consumption was 164.8 MB. Max. memory is 11.5 GB. [2018-09-20 14:51:19,236 INFO L168 Benchmark]: TraceAbstraction took 190991.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.1 MB). Free memory was 961.9 MB in the beginning and 817.5 MB in the end (delta: 144.4 MB). Peak memory consumption was 264.4 MB. Max. memory is 11.5 GB. [2018-09-20 14:51:19,248 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 863.71 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 904.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 273.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 904.9 MB in the beginning and 1.1 GB in the end (delta: -221.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 61776.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.9 MB in the end (delta: 164.8 MB). Peak memory consumption was 164.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 190991.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.1 MB). Free memory was 961.9 MB in the beginning and 817.5 MB in the end (delta: 144.4 MB). Peak memory consumption was 264.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...