/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0873a_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_0873a_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 dc6e33fd92380b9620292c0a4688906335a25659 --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_0873a_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 dc6e33fd92380b9620292c0a4688906335a25659 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:28:54,748 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:28:54,752 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:28:54,770 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:28:54,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:28:54,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:28:54,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:28:54,777 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:28:54,780 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:28:54,784 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:28:54,786 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:28:54,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:28:54,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:28:54,792 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:28:54,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:28:54,801 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:28:54,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:28:54,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:28:54,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:28:54,809 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:28:54,810 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:28:54,811 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:28:54,814 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:28:54,814 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:28:54,814 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:28:54,815 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:28:54,816 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:28:54,817 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:28:54,818 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:28:54,819 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:28:54,819 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:28:54,820 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:28:54,820 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:28:54,820 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:28:54,821 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:28:54,823 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:28:54,823 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:28:54,837 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:28:54,838 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:28:54,839 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:28:54,839 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:28:54,839 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:28:54,840 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:28:54,840 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:28:54,840 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:28:54,840 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:28:54,840 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:28:54,841 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:28:54,841 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:28:54,841 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:28:54,841 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:28:54,841 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:28:54,843 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:28:54,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:28:54,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:28:54,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:28:54,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:28:54,844 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:28:54,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:28:54,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:28:54,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:28:54,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:28:54,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:28:54,846 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:28:54,846 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:28:54,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:28:54,846 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 -> dc6e33fd92380b9620292c0a4688906335a25659 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:28:54,898 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:28:54,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:28:54,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:28:54,935 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:28:54,936 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:28:54,937 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0873a_true-unreach-call.c [2018-09-21 18:28:55,314 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36dbdd3d7/1bc97dde345d4e4b9938daea45a03b30/FLAG104943861 [2018-09-21 18:28:55,537 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:28:55,538 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0873a_true-unreach-call.c [2018-09-21 18:28:55,552 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36dbdd3d7/1bc97dde345d4e4b9938daea45a03b30/FLAG104943861 [2018-09-21 18:28:55,568 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36dbdd3d7/1bc97dde345d4e4b9938daea45a03b30 [2018-09-21 18:28:55,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:28:55,576 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:28:55,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:55,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:28:55,585 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:28:55,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:55" (1/1) ... [2018-09-21 18:28:55,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccc03c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:55, skipping insertion in model container [2018-09-21 18:28:55,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:55" (1/1) ... [2018-09-21 18:28:55,602 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:28:55,895 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:882) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$38(StandardFunctionHandler.java:261) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:160) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1549) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:513) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1928) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1748) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1725) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:339) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1573) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3980) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2445) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:183) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.preRun(MainDispatcher.java:348) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.Dispatcher.run(Dispatcher.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.doTranslation(CACSL2BoogieTranslatorObserver.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:152) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-21 18:28:55,903 INFO L168 Benchmark]: Toolchain (without parser) took 329.90 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 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 18:28:55,906 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:28:55,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.03 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 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 18:28:55,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 325.03 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 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 18:28:58,188 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:28:58,191 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:28:58,204 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:28:58,204 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:28:58,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:28:58,207 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:28:58,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:28:58,211 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:28:58,212 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:28:58,213 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:28:58,213 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:28:58,214 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:28:58,215 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:28:58,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:28:58,218 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:28:58,219 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:28:58,221 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:28:58,224 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:28:58,225 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:28:58,227 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:28:58,228 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:28:58,231 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:28:58,231 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:28:58,232 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:28:58,233 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:28:58,234 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:28:58,235 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:28:58,236 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:28:58,238 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:28:58,238 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:28:58,239 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:28:58,239 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:28:58,240 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:28:58,241 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:28:58,242 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:28:58,242 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:28:58,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:28:58,268 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:28:58,269 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:28:58,269 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:28:58,271 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:28:58,272 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:28:58,272 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:28:58,272 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:28:58,272 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:28:58,273 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:28:58,273 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:28:58,273 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:28:58,273 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:28:58,273 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:28:58,273 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:28:58,274 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:28:58,274 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:28:58,274 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:28:58,274 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:28:58,277 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:28:58,277 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:28:58,277 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:28:58,278 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:28:58,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:28:58,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:28:58,278 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:28:58,279 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:28:58,279 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:28:58,279 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:28:58,280 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:28:58,280 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:28:58,280 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 -> dc6e33fd92380b9620292c0a4688906335a25659 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:28:58,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:28:58,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:28:58,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:28:58,386 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:28:58,387 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:28:58,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0873a_true-unreach-call.c [2018-09-21 18:28:58,758 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78b11931f/c7c2f707b6004d088b4c2088855b42cd/FLAG56e1b7453 [2018-09-21 18:28:58,997 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:28:58,998 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0873a_true-unreach-call.c [2018-09-21 18:28:59,011 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78b11931f/c7c2f707b6004d088b4c2088855b42cd/FLAG56e1b7453 [2018-09-21 18:28:59,028 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78b11931f/c7c2f707b6004d088b4c2088855b42cd [2018-09-21 18:28:59,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:28:59,037 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:28:59,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:59,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:28:59,046 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:28:59,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:59" (1/1) ... [2018-09-21 18:28:59,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b49fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59, skipping insertion in model container [2018-09-21 18:28:59,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:28:59" (1/1) ... [2018-09-21 18:28:59,064 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:28:59,504 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:28:59,530 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:28:59,652 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:28:59,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59 WrapperNode [2018-09-21 18:28:59,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:28:59,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:28:59,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:28:59,718 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:28:59,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59" (1/1) ... [2018-09-21 18:28:59,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59" (1/1) ... [2018-09-21 18:28:59,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59" (1/1) ... [2018-09-21 18:28:59,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59" (1/1) ... [2018-09-21 18:28:59,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59" (1/1) ... [2018-09-21 18:28:59,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59" (1/1) ... [2018-09-21 18:28:59,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59" (1/1) ... [2018-09-21 18:28:59,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:28:59,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:28:59,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:28:59,946 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:28:59,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59" (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 18:29:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:29:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:29:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-09-21 18:29:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-21 18:29:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2018-09-21 18:29:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2018-09-21 18:29:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-21 18:29:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_powf [2018-09-21 18:29:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:29:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:29:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-21 18:29:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-09-21 18:29:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:29:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-21 18:29:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:29:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:29:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:29:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-21 18:29:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-21 18:29:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2018-09-21 18:29:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2018-09-21 18:29:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-21 18:29:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_powf [2018-09-21 18:29:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:29:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:29:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:29:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-21 18:29:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:29:00,544 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,587 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,632 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,656 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,874 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,917 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,960 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:00,967 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:06,217 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:06,230 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:06,447 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:06,458 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:07,720 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:07,733 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:10,267 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:10,276 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:12,428 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:12,462 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:14,594 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:14,602 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:15,076 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:15,085 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:17,211 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:17,218 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:20,561 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:20,569 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:22,925 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:22,932 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:25,179 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:25,213 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:25,699 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:25,706 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:25,865 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:25,916 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:26,265 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:26,272 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:26,284 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:26,302 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:28,442 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:28,449 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:29:29,212 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:29:29,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:29:29 BoogieIcfgContainer [2018-09-21 18:29:29,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:29:29,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:29:29,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:29:29,219 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:29:29,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:28:59" (1/3) ... [2018-09-21 18:29:29,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4fea35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:29:29, skipping insertion in model container [2018-09-21 18:29:29,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:28:59" (2/3) ... [2018-09-21 18:29:29,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4fea35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:29:29, skipping insertion in model container [2018-09-21 18:29:29,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:29:29" (3/3) ... [2018-09-21 18:29:29,224 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0873a_true-unreach-call.c [2018-09-21 18:29:29,235 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:29:29,245 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:29:29,291 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:29:29,292 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:29:29,292 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:29:29,292 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:29:29,292 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:29:29,293 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:29:29,293 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:29:29,293 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:29:29,293 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:29:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states. [2018-09-21 18:29:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-21 18:29:29,344 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:29,345 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:29:29,348 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:29,354 INFO L82 PathProgramCache]: Analyzing trace with hash 93333362, now seen corresponding path program 1 times [2018-09-21 18:29:29,359 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:29,359 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-21 18:29:29,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:29,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:29:29,559 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:29,572 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:29,572 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:29:29,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:29:29,593 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:29:29,594 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:29:29,597 INFO L87 Difference]: Start difference. First operand 483 states. Second operand 2 states. [2018-09-21 18:29:29,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:29,657 INFO L93 Difference]: Finished difference Result 483 states and 545 transitions. [2018-09-21 18:29:29,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:29:29,659 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-21 18:29:29,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:29,694 INFO L225 Difference]: With dead ends: 483 [2018-09-21 18:29:29,694 INFO L226 Difference]: Without dead ends: 479 [2018-09-21 18:29:29,696 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:29:29,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-09-21 18:29:29,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2018-09-21 18:29:29,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-21 18:29:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 541 transitions. [2018-09-21 18:29:29,783 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 541 transitions. Word has length 17 [2018-09-21 18:29:29,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:29,783 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 541 transitions. [2018-09-21 18:29:29,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:29:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 541 transitions. [2018-09-21 18:29:29,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-21 18:29:29,785 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:29,785 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:29:29,785 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:29,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1338552630, now seen corresponding path program 1 times [2018-09-21 18:29:29,787 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:29,787 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-21 18:29:29,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:29:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:29,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:30,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:29:30,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:29:30,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:30,079 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:30,158 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:30,159 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:29:30,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:29:30,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:29:30,261 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:30,269 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:30,273 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:30,274 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:29:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:29:30,760 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:30,773 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:30,774 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:29:30,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:29:30,776 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:29:30,776 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:29:30,777 INFO L87 Difference]: Start difference. First operand 479 states and 541 transitions. Second operand 9 states. [2018-09-21 18:29:37,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:29:37,247 INFO L93 Difference]: Finished difference Result 483 states and 544 transitions. [2018-09-21 18:29:37,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:29:37,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2018-09-21 18:29:37,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:29:37,262 INFO L225 Difference]: With dead ends: 483 [2018-09-21 18:29:37,262 INFO L226 Difference]: Without dead ends: 481 [2018-09-21 18:29:37,263 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:29:37,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-21 18:29:37,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-21 18:29:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-21 18:29:37,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 540 transitions. [2018-09-21 18:29:37,297 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 540 transitions. Word has length 35 [2018-09-21 18:29:37,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:29:37,297 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 540 transitions. [2018-09-21 18:29:37,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:29:37,298 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 540 transitions. [2018-09-21 18:29:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-21 18:29:37,300 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:29:37,301 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:29:37,301 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:29:37,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1043544366, now seen corresponding path program 1 times [2018-09-21 18:29:37,303 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:29:37,303 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) [2018-09-21 18:29:37,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-21 18:29:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:29:37,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:29:37,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:29:37,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:29:37,632 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:37,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:37,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:37,691 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:25 [2018-09-21 18:29:37,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:29:37,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:29:37,739 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:37,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:37,773 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:37,774 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:13 [2018-09-21 18:29:37,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-21 18:29:37,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-21 18:29:37,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:37,888 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:37,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:37,915 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:31 [2018-09-21 18:29:37,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-21 18:29:37,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-21 18:29:37,977 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:29:37,982 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:38,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:29:38,049 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:19 [2018-09-21 18:29:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:29:38,510 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:29:38,526 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:29:38,526 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-21 18:29:38,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-21 18:29:38,527 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-21 18:29:38,527 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-09-21 18:29:38,528 INFO L87 Difference]: Start difference. First operand 479 states and 540 transitions. Second operand 12 states. [2018-09-21 18:29:39,929 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-21 18:29:40,269 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-21 18:29:40,996 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-09-21 18:30:02,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:30:02,354 INFO L93 Difference]: Finished difference Result 507 states and 568 transitions. [2018-09-21 18:30:02,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-21 18:30:02,356 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-09-21 18:30:02,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:30:02,359 INFO L225 Difference]: With dead ends: 507 [2018-09-21 18:30:02,359 INFO L226 Difference]: Without dead ends: 504 [2018-09-21 18:30:02,360 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2018-09-21 18:30:02,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2018-09-21 18:30:02,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 478. [2018-09-21 18:30:02,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-09-21 18:30:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 537 transitions. [2018-09-21 18:30:02,378 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 537 transitions. Word has length 37 [2018-09-21 18:30:02,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:30:02,378 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 537 transitions. [2018-09-21 18:30:02,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-21 18:30:02,378 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 537 transitions. [2018-09-21 18:30:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-21 18:30:02,381 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:30:02,381 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] [2018-09-21 18:30:02,381 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:30:02,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1703247716, now seen corresponding path program 1 times [2018-09-21 18:30:02,382 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:30:02,382 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-21 18:30:02,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:30:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:30:02,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:30:02,637 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 18:30:02,651 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 18:30:02,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:30:02,658 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:30:02,668 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 18:30:02,669 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:30:02,695 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 18:30:02,699 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 18:30:02,699 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:30:02,703 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:30:02,708 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 18:30:02,708 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:30:02,788 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 18:30:02,789 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:30:02,808 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:30:02,808 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-21 18:30:02,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-21 18:30:02,809 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-21 18:30:02,809 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:30:02,809 INFO L87 Difference]: Start difference. First operand 478 states and 537 transitions. Second operand 8 states. [2018-09-21 18:30:08,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:30:08,512 INFO L93 Difference]: Finished difference Result 751 states and 846 transitions. [2018-09-21 18:30:08,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-21 18:30:08,513 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2018-09-21 18:30:08,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:30:08,516 INFO L225 Difference]: With dead ends: 751 [2018-09-21 18:30:08,516 INFO L226 Difference]: Without dead ends: 432 [2018-09-21 18:30:08,516 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-09-21 18:30:08,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-09-21 18:30:08,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2018-09-21 18:30:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-09-21 18:30:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 477 transitions. [2018-09-21 18:30:08,537 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 477 transitions. Word has length 39 [2018-09-21 18:30:08,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:30:08,540 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 477 transitions. [2018-09-21 18:30:08,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-21 18:30:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 477 transitions. [2018-09-21 18:30:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-21 18:30:08,541 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:30:08,541 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 18:30:08,542 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:30:08,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1474345373, now seen corresponding path program 1 times [2018-09-21 18:30:08,542 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:30:08,543 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) [2018-09-21 18:30:08,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-21 18:30:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:30:08,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:30:08,868 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 18:30:08,868 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:30:08,886 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:30:08,886 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-21 18:30:08,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-21 18:30:08,887 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-21 18:30:08,887 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-21 18:30:08,887 INFO L87 Difference]: Start difference. First operand 432 states and 477 transitions. Second operand 6 states. [2018-09-21 18:30:19,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:30:19,698 INFO L93 Difference]: Finished difference Result 438 states and 482 transitions. [2018-09-21 18:30:19,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-21 18:30:19,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-09-21 18:30:19,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:30:19,715 INFO L225 Difference]: With dead ends: 438 [2018-09-21 18:30:19,715 INFO L226 Difference]: Without dead ends: 434 [2018-09-21 18:30:19,716 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-21 18:30:19,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-09-21 18:30:19,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 432. [2018-09-21 18:30:19,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-09-21 18:30:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 476 transitions. [2018-09-21 18:30:19,729 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 476 transitions. Word has length 40 [2018-09-21 18:30:19,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:30:19,730 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 476 transitions. [2018-09-21 18:30:19,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-21 18:30:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 476 transitions. [2018-09-21 18:30:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-21 18:30:19,731 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:30:19,733 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] [2018-09-21 18:30:19,733 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:30:19,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1320813764, now seen corresponding path program 1 times [2018-09-21 18:30:19,734 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:30:19,734 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-21 18:30:19,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:30:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:30:20,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:30:20,086 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 18:30:20,090 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 18:30:20,090 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:30:20,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:30:20,106 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 18:30:20,107 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:30:20,136 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 18:30:20,140 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 18:30:20,140 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:30:20,144 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:30:20,147 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 18:30:20,148 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:30:20,330 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 18:30:20,330 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:30:20,344 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:30:20,344 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:30:20,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:30:20,345 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:30:20,345 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:30:20,345 INFO L87 Difference]: Start difference. First operand 432 states and 476 transitions. Second operand 9 states. [2018-09-21 18:30:26,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:30:26,087 INFO L93 Difference]: Finished difference Result 437 states and 480 transitions. [2018-09-21 18:30:26,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 18:30:26,089 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2018-09-21 18:30:26,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:30:26,093 INFO L225 Difference]: With dead ends: 437 [2018-09-21 18:30:26,093 INFO L226 Difference]: Without dead ends: 425 [2018-09-21 18:30:26,094 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:30:26,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-09-21 18:30:26,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 423. [2018-09-21 18:30:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-09-21 18:30:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 455 transitions. [2018-09-21 18:30:26,109 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 455 transitions. Word has length 41 [2018-09-21 18:30:26,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:30:26,109 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 455 transitions. [2018-09-21 18:30:26,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:30:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 455 transitions. [2018-09-21 18:30:26,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-21 18:30:26,117 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:30:26,117 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] [2018-09-21 18:30:26,117 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:30:26,118 INFO L82 PathProgramCache]: Analyzing trace with hash -2071152009, now seen corresponding path program 1 times [2018-09-21 18:30:26,118 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:30:26,118 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) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-21 18:30:26,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:30:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:30:26,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:30:26,391 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 18:30:26,397 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 18:30:26,398 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:30:26,402 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:30:26,414 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 18:30:26,415 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:30:26,450 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 18:30:26,457 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 18:30:26,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:30:26,460 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:30:26,463 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 18:30:26,463 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:30:26,688 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 18:30:26,688 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:30:26,703 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:30:26,704 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:30:26,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:30:26,704 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:30:26,704 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:30:26,705 INFO L87 Difference]: Start difference. First operand 423 states and 455 transitions. Second operand 9 states. [2018-09-21 18:30:31,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:30:31,578 INFO L93 Difference]: Finished difference Result 531 states and 573 transitions. [2018-09-21 18:30:31,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 18:30:31,581 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2018-09-21 18:30:31,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:30:31,585 INFO L225 Difference]: With dead ends: 531 [2018-09-21 18:30:31,585 INFO L226 Difference]: Without dead ends: 298 [2018-09-21 18:30:31,586 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-21 18:30:31,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-09-21 18:30:31,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 297. [2018-09-21 18:30:31,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-09-21 18:30:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 321 transitions. [2018-09-21 18:30:31,599 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 321 transitions. Word has length 43 [2018-09-21 18:30:31,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:30:31,600 INFO L480 AbstractCegarLoop]: Abstraction has 297 states and 321 transitions. [2018-09-21 18:30:31,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:30:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 321 transitions. [2018-09-21 18:30:31,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-21 18:30:31,612 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:30:31,612 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] [2018-09-21 18:30:31,613 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:30:31,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1360895757, now seen corresponding path program 1 times [2018-09-21 18:30:31,616 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:30:31,616 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-21 18:30:31,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-21 18:30:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:30:32,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:30:32,877 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 18:30:32,881 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 18:30:32,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:30:32,885 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:30:32,895 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 18:30:32,895 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-21 18:30:32,915 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 18:30:32,920 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 18:30:32,921 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:30:32,924 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:30:32,928 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 18:30:32,928 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-21 18:30:33,167 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 18:30:33,168 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:30:33,194 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:30:33,195 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:30:33,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:30:33,196 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:30:33,196 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 18:30:33,197 INFO L87 Difference]: Start difference. First operand 297 states and 321 transitions. Second operand 9 states. [2018-09-21 18:30:36,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:30:36,964 INFO L93 Difference]: Finished difference Result 294 states and 318 transitions. [2018-09-21 18:30:36,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 18:30:36,966 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 130 [2018-09-21 18:30:36,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:30:36,967 INFO L225 Difference]: With dead ends: 294 [2018-09-21 18:30:36,967 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:30:36,970 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-21 18:30:36,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:30:36,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:30:36,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:30:36,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:30:36,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 130 [2018-09-21 18:30:36,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:30:36,972 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:30:36,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:30:36,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:30:36,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:30:36,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:30:36 BoogieIcfgContainer [2018-09-21 18:30:36,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:30:36,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:30:36,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:30:36,984 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:30:36,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:29:29" (3/4) ... [2018-09-21 18:30:36,990 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:30:37,004 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:30:37,005 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-21 18:30:37,005 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2018-09-21 18:30:37,005 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_powf [2018-09-21 18:30:37,005 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2018-09-21 18:30:37,006 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:30:37,006 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_float [2018-09-21 18:30:37,006 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-21 18:30:37,051 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2018-09-21 18:30:37,053 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-09-21 18:30:37,057 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-09-21 18:30:37,061 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-21 18:30:37,274 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:30:37,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:30:37,276 INFO L168 Benchmark]: Toolchain (without parser) took 98241.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 297.8 MB). Free memory was 950.5 MB in the beginning and 1.0 GB in the end (delta: -74.7 MB). Peak memory consumption was 223.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:30:37,276 INFO L168 Benchmark]: CDTParser took 0.19 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 18:30:37,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.70 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 918.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:30:37,278 INFO L168 Benchmark]: Boogie Preprocessor took 227.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 918.3 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-09-21 18:30:37,278 INFO L168 Benchmark]: RCFGBuilder took 29267.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 132.9 MB). Peak memory consumption was 132.9 MB. Max. memory is 11.5 GB. [2018-09-21 18:30:37,279 INFO L168 Benchmark]: TraceAbstraction took 67768.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 137.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -40.6 MB). Peak memory consumption was 97.3 MB. Max. memory is 11.5 GB. [2018-09-21 18:30:37,280 INFO L168 Benchmark]: Witness Printer took 291.31 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:30:37,283 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 678.70 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 918.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 227.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 918.3 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 29267.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 132.9 MB). Peak memory consumption was 132.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 67768.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 137.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -40.6 MB). Peak memory consumption was 97.3 MB. Max. memory is 11.5 GB. * Witness Printer took 291.31 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 599]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 554 locations, 1 error locations. SAFE Result, 67.6s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 61.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3813 SDtfs, 5315 SDslu, 17564 SDs, 0 SdLazy, 1991 SolverSat, 68 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 54.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 325 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=483occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 33 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 382 NumberOfCodeBlocks, 382 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 374 ConstructedInterpolants, 106 QuantifiedInterpolants, 274898 SizeOfPredicates, 57 NumberOfNonLiveVariables, 1660 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...