/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0886a_true-unreach-call.c --full-output --architecture 32bit --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5eb3fea6 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0886a_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 b5ae4fcad33c7717ff816746f555456661abff77 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false .......................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0886a_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 b5ae4fcad33c7717ff816746f555456661abff77 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ................................................................................................................................................................................................................................................................................................................................................................................................................................... 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) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:32:48,649 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:32:48,651 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:32:48,667 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:32:48,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:32:48,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:32:48,672 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:32:48,675 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:32:48,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:32:48,680 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:32:48,683 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:32:48,684 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:32:48,685 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:32:48,688 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:32:48,690 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:32:48,692 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:32:48,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:32:48,695 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:32:48,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:32:48,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:32:48,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:32:48,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:32:48,704 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:32:48,704 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:32:48,704 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:32:48,705 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:32:48,707 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:32:48,708 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:32:48,709 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:32:48,710 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:32:48,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:32:48,711 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:32:48,712 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:32:48,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:32:48,713 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:32:48,714 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:32:48,714 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:32:48,740 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:32:48,740 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:32:48,741 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:32:48,741 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:32:48,743 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:32:48,743 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:32:48,744 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:32:48,744 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:32:48,744 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:32:48,744 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:32:48,746 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:32:48,746 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:32:48,747 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:32:48,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:32:48,747 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:32:48,748 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:32:48,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:32:48,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:32:48,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:32:48,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:32:48,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:32:48,749 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:32:48,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:32:48,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:32:48,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:32:48,752 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:32:48,753 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:32:48,754 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:32:48,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:32:48,754 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 -> b5ae4fcad33c7717ff816746f555456661abff77 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:32:48,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:32:48,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:32:48,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:32:48,870 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:32:48,870 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:32:48,871 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0886a_true-unreach-call.c [2018-09-21 18:32:49,230 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05aa8ef5d/9e035411c52d4fde9a819a123983593e/FLAG9e77680ae [2018-09-21 18:32:49,506 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:32:49,510 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0886a_true-unreach-call.c [2018-09-21 18:32:49,523 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05aa8ef5d/9e035411c52d4fde9a819a123983593e/FLAG9e77680ae [2018-09-21 18:32:49,540 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05aa8ef5d/9e035411c52d4fde9a819a123983593e [2018-09-21 18:32:49,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:32:49,547 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:32:49,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:32:49,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:32:49,557 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:32:49,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:32:49" (1/1) ... [2018-09-21 18:32:49,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b55883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:49, skipping insertion in model container [2018-09-21 18:32:49,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:32:49" (1/1) ... [2018-09-21 18:32:49,574 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:32:49,990 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:882) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$38(StandardFunctionHandler.java:261) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:160) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1549) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:513) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1928) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1748) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1725) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:339) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1573) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3980) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2445) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:183) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.preRun(MainDispatcher.java:348) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.Dispatcher.run(Dispatcher.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.doTranslation(CACSL2BoogieTranslatorObserver.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:152) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-21 18:32:49,997 INFO L168 Benchmark]: Toolchain (without parser) took 451.81 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:32:49,999 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:32:50,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.75 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:32:50,003 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 445.75 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:882) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:32:52,241 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:32:52,247 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:32:52,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:32:52,264 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:32:52,265 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:32:52,267 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:32:52,269 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:32:52,271 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:32:52,272 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:32:52,273 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:32:52,273 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:32:52,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:32:52,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:32:52,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:32:52,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:32:52,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:32:52,279 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:32:52,282 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:32:52,283 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:32:52,284 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:32:52,285 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:32:52,288 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:32:52,288 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:32:52,289 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:32:52,290 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:32:52,291 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:32:52,292 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:32:52,292 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:32:52,294 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:32:52,294 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:32:52,295 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:32:52,295 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:32:52,295 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:32:52,296 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:32:52,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:32:52,298 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:32:52,323 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:32:52,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:32:52,327 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:32:52,327 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:32:52,329 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:32:52,329 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:32:52,329 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:32:52,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:32:52,330 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:32:52,330 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:32:52,330 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:32:52,330 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:32:52,332 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:32:52,332 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:32:52,333 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:32:52,333 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:32:52,333 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:32:52,333 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:32:52,333 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:32:52,336 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:32:52,336 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:32:52,336 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:32:52,337 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:32:52,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:32:52,337 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:32:52,337 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:32:52,337 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:32:52,337 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:32:52,338 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:32:52,338 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:32:52,338 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:32:52,338 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 -> b5ae4fcad33c7717ff816746f555456661abff77 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:32:52,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:32:52,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:32:52,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:32:52,452 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:32:52,454 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:32:52,455 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0886a_true-unreach-call.c [2018-09-21 18:32:52,798 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de194d6f/d477c1b1e7e640e2b2b0f4330f84d45a/FLAG87b798231 [2018-09-21 18:32:53,052 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:32:53,053 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0886a_true-unreach-call.c [2018-09-21 18:32:53,076 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de194d6f/d477c1b1e7e640e2b2b0f4330f84d45a/FLAG87b798231 [2018-09-21 18:32:53,098 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de194d6f/d477c1b1e7e640e2b2b0f4330f84d45a [2018-09-21 18:32:53,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:32:53,106 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:32:53,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:32:53,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:32:53,119 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:32:53,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:32:53" (1/1) ... [2018-09-21 18:32:53,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a6b409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53, skipping insertion in model container [2018-09-21 18:32:53,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:32:53" (1/1) ... [2018-09-21 18:32:53,137 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:32:53,650 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:32:53,674 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:32:53,864 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:32:53,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53 WrapperNode [2018-09-21 18:32:53,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:32:53,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:32:53,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:32:53,928 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:32:53,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53" (1/1) ... [2018-09-21 18:32:53,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53" (1/1) ... [2018-09-21 18:32:53,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53" (1/1) ... [2018-09-21 18:32:53,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53" (1/1) ... [2018-09-21 18:32:54,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53" (1/1) ... [2018-09-21 18:32:54,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53" (1/1) ... [2018-09-21 18:32:54,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53" (1/1) ... [2018-09-21 18:32:54,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:32:54,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:32:54,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:32:54,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:32:54,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:32:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:32:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:32:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-09-21 18:32:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-21 18:32:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2018-09-21 18:32:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2018-09-21 18:32:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-21 18:32:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_powf [2018-09-21 18:32:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-09-21 18:32:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isinteger_float [2018-09-21 18:32:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-21 18:32:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:32:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:32:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-21 18:32:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-09-21 18:32:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:32:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-21 18:32:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:32:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:32:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:32:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-21 18:32:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-21 18:32:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2018-09-21 18:32:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2018-09-21 18:32:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-21 18:32:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_powf [2018-09-21 18:32:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-09-21 18:32:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure isinteger_float [2018-09-21 18:32:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-21 18:32:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:32:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:32:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:32:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-21 18:32:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:32:54,828 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:32:54,886 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:32:55,028 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:32:55,050 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:32:55,229 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:32:55,271 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:32:55,381 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:32:55,401 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:00,716 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:00,737 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:01,331 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:01,339 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:03,557 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:03,572 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:05,817 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:05,826 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:07,920 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:07,928 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:10,037 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:10,044 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:10,402 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:10,408 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:12,506 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:12,552 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:14,830 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:14,837 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:17,212 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:17,248 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:19,699 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:19,717 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:20,248 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:20,263 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:21,027 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:21,042 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:21,149 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:21,156 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:21,395 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:21,402 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:21,434 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:21,457 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:23,794 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:23,831 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:25,613 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:25,651 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:33:25,656 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:33:25,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:33:25 BoogieIcfgContainer [2018-09-21 18:33:25,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:33:25,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:33:25,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:33:25,662 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:33:25,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:32:53" (1/3) ... [2018-09-21 18:33:25,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcd9394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:33:25, skipping insertion in model container [2018-09-21 18:33:25,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:32:53" (2/3) ... [2018-09-21 18:33:25,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcd9394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:33:25, skipping insertion in model container [2018-09-21 18:33:25,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:33:25" (3/3) ... [2018-09-21 18:33:25,668 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0886a_true-unreach-call.c [2018-09-21 18:33:25,680 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:33:25,692 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:33:25,760 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:33:25,761 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:33:25,763 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:33:25,763 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:33:25,763 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:33:25,763 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:33:25,763 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:33:25,764 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:33:25,764 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:33:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states. [2018-09-21 18:33:25,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-21 18:33:25,849 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:33:25,851 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:33:25,854 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:33:25,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1904819352, now seen corresponding path program 1 times [2018-09-21 18:33:25,868 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:33:25,869 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) [2018-09-21 18:33:25,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-21 18:33:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:33:26,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:33:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:33:26,144 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:33:26,168 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:33:26,168 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:33:26,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:33:26,193 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:33:26,193 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:33:26,197 INFO L87 Difference]: Start difference. First operand 620 states. Second operand 2 states. [2018-09-21 18:33:26,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:33:26,315 INFO L93 Difference]: Finished difference Result 620 states and 711 transitions. [2018-09-21 18:33:26,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:33:26,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-21 18:33:26,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:33:26,363 INFO L225 Difference]: With dead ends: 620 [2018-09-21 18:33:26,363 INFO L226 Difference]: Without dead ends: 615 [2018-09-21 18:33:26,366 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:33:26,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2018-09-21 18:33:26,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 615. [2018-09-21 18:33:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-09-21 18:33:26,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 705 transitions. [2018-09-21 18:33:26,497 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 705 transitions. Word has length 22 [2018-09-21 18:33:26,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:33:26,497 INFO L480 AbstractCegarLoop]: Abstraction has 615 states and 705 transitions. [2018-09-21 18:33:26,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:33:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 705 transitions. [2018-09-21 18:33:26,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-21 18:33:26,501 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:33:26,502 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:33:26,502 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:33:26,502 INFO L82 PathProgramCache]: Analyzing trace with hash -289349596, now seen corresponding path program 1 times [2018-09-21 18:33:26,505 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:33:26,506 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-21 18:33:26,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:33:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:33:26,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:33:26,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:33:26,859 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:33:26,874 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:33:26,875 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-21 18:33:26,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-21 18:33:26,878 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-21 18:33:26,878 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-21 18:33:26,878 INFO L87 Difference]: Start difference. First operand 615 states and 705 transitions. Second operand 4 states. [2018-09-21 18:33:27,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:33:27,068 INFO L93 Difference]: Finished difference Result 619 states and 707 transitions. [2018-09-21 18:33:27,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-21 18:33:27,069 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2018-09-21 18:33:27,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:33:27,078 INFO L225 Difference]: With dead ends: 619 [2018-09-21 18:33:27,078 INFO L226 Difference]: Without dead ends: 615 [2018-09-21 18:33:27,079 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-21 18:33:27,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2018-09-21 18:33:27,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 615. [2018-09-21 18:33:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-09-21 18:33:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 703 transitions. [2018-09-21 18:33:27,111 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 703 transitions. Word has length 40 [2018-09-21 18:33:27,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:33:27,112 INFO L480 AbstractCegarLoop]: Abstraction has 615 states and 703 transitions. [2018-09-21 18:33:27,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-21 18:33:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 703 transitions. [2018-09-21 18:33:27,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-21 18:33:27,117 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:33:27,117 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] [2018-09-21 18:33:27,118 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:33:27,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1903723855, now seen corresponding path program 1 times [2018-09-21 18:33:27,120 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:33:27,120 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-21 18:33:27,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:33:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:33:27,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:33:27,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:33:27,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:33:27,870 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:33:27,902 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:33:27,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:33:27,953 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2018-09-21 18:33:28,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:33:28,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:33:28,050 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:33:28,100 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:33:28,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:33:28,172 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:16 [2018-09-21 18:33:28,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:33:28,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:33:28,404 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:33:28,435 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:33:28,511 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:33:28,511 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:37 [2018-09-21 18:33:28,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:33:28,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:33:28,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:33:28,695 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:33:28,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:33:28,728 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:25 [2018-09-21 18:33:32,554 WARN L819 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_float_#res| (let ((.cse1 (fp.mul RNE |c_fmod_float_#in~x| |c_fmod_float_#in~y|))) (fp.div RNE .cse1 .cse1))))) (or (and .cse0 (exists ((v_prenex_3 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_prenex_3) ((_ extract 30 23) v_prenex_3) ((_ extract 22 0) v_prenex_3)) |c_fmod_float_#in~x|)) (exists ((v_prenex_4 (_ BitVec 32))) (and (bvsgt (bvand v_prenex_4 (_ bv2147483647 32)) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_prenex_4) ((_ extract 30 23) v_prenex_4) ((_ extract 22 0) v_prenex_4)) |c_fmod_float_#in~y|)))) (and (exists ((v_fmod_float_~hx~0_34 (_ BitVec 32))) (and (not (bvslt (bvxor v_fmod_float_~hx~0_34 (bvand v_fmod_float_~hx~0_34 (_ bv2147483648 32))) (_ bv2139095040 32))) (= (fp ((_ extract 31 31) v_fmod_float_~hx~0_34) ((_ extract 30 23) v_fmod_float_~hx~0_34) ((_ extract 22 0) v_fmod_float_~hx~0_34)) |c_fmod_float_#in~x|))) .cse0 (exists ((v_fmod_float_~hy~0_19 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_fmod_float_~hy~0_19) ((_ extract 30 23) v_fmod_float_~hy~0_19) ((_ extract 22 0) v_fmod_float_~hy~0_19)) |c_fmod_float_#in~y|))) (and (exists ((v_prenex_1 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)) |c_fmod_float_#in~x|)) .cse0 (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 32) (bvand v_prenex_2 (_ bv2147483647 32))) (= (fp ((_ extract 31 31) v_prenex_2) ((_ extract 30 23) v_prenex_2) ((_ extract 22 0) v_prenex_2)) |c_fmod_float_#in~y|)))))) is different from true [2018-09-21 18:33:58,916 WARN L178 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-21 18:34:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:34:00,501 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:34:00,520 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:34:00,520 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-21 18:34:00,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-21 18:34:00,521 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-21 18:34:00,522 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=166, Unknown=9, NotChecked=26, Total=240 [2018-09-21 18:34:00,522 INFO L87 Difference]: Start difference. First operand 615 states and 703 transitions. Second operand 16 states. [2018-09-21 18:34:57,431 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-21 18:37:00,166 WARN L178 SmtUtils]: Spent 1.24 m on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2018-09-21 18:37:31,153 WARN L178 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2018-09-21 18:37:41,709 WARN L178 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 28 [2018-09-21 18:37:55,879 WARN L178 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 30 [2018-09-21 18:39:00,833 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-09-21 18:39:00,835 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) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:138) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:130) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:254) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:690) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:603) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) 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: java.io.IOException: Broken pipe at java.io.FileOutputStream.writeBytes(Native Method) at java.io.FileOutputStream.write(FileOutputStream.java:326) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-09-21 18:39:00,845 INFO L168 Benchmark]: Toolchain (without parser) took 367741.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.6 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. [2018-09-21 18:39:00,847 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:39:00,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.93 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 919.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:39:00,849 INFO L168 Benchmark]: Boogie Preprocessor took 268.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 919.7 MB in the beginning and 1.1 GB in the end (delta: -219.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:39:00,851 INFO L168 Benchmark]: RCFGBuilder took 31455.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.9 MB in the end (delta: 139.0 MB). Peak memory consumption was 139.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:39:00,852 INFO L168 Benchmark]: TraceAbstraction took 335186.78 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 999.9 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:39:00,858 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 819.93 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 919.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 268.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 919.7 MB in the beginning and 1.1 GB in the end (delta: -219.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 31455.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.9 MB in the end (delta: 139.0 MB). Peak memory consumption was 139.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 335186.78 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 999.9 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). There was no memory consumed. 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) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...