/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864b_true-unreach-call.c --full-output --architecture 32bit --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/double_req_bl_0864b_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa002a274dcf3785c5e54826d6649d77e1293419 --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/double_req_bl_0864b_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa002a274dcf3785c5e54826d6649d77e1293419 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 17:55:36,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:55:36,121 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:55:36,134 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:55:36,135 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:55:36,136 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:55:36,137 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:55:36,139 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:55:36,141 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:55:36,142 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:55:36,143 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:55:36,143 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:55:36,147 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:55:36,148 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:55:36,152 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:55:36,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:55:36,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:55:36,156 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:55:36,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:55:36,160 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:55:36,161 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:55:36,162 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:55:36,165 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:55:36,165 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:55:36,165 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:55:36,166 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:55:36,167 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:55:36,168 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:55:36,169 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:55:36,170 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:55:36,171 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:55:36,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:55:36,171 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:55:36,172 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:55:36,173 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:55:36,173 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:55:36,174 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 17:55:36,191 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:55:36,191 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:55:36,192 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:55:36,193 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:55:36,193 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:55:36,194 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:55:36,194 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:55:36,194 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:55:36,194 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:55:36,194 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 17:55:36,195 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:55:36,195 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:55:36,195 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:55:36,195 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:55:36,195 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:55:36,196 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:55:36,196 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:55:36,196 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:55:36,196 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:55:36,196 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:55:36,197 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:55:36,197 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:55:36,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:55:36,197 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:55:36,197 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:55:36,197 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:55:36,198 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 17:55:36,198 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:55:36,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 17:55:36,198 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa002a274dcf3785c5e54826d6649d77e1293419 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 17:55:36,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:55:36,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:55:36,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:55:36,301 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:55:36,302 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:55:36,303 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864b_true-unreach-call.c [2018-09-21 17:55:36,665 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16c46ade0/f5c5477a4d044b7ab951ad5d69635bb2/FLAG19fe9ca6c [2018-09-21 17:55:36,965 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:55:36,967 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0864b_true-unreach-call.c [2018-09-21 17:55:36,988 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16c46ade0/f5c5477a4d044b7ab951ad5d69635bb2/FLAG19fe9ca6c [2018-09-21 17:55:37,014 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16c46ade0/f5c5477a4d044b7ab951ad5d69635bb2 [2018-09-21 17:55:37,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:55:37,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:55:37,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:55:37,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:55:37,038 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:55:37,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:55:37" (1/1) ... [2018-09-21 17:55:37,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250e772f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:37, skipping insertion in model container [2018-09-21 17:55:37,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:55:37" (1/1) ... [2018-09-21 17:55:37,059 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:55:37,544 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:882) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$37(StandardFunctionHandler.java:260) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:160) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1549) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:513) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1928) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1748) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1725) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:339) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1573) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3980) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2445) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:183) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.preRun(MainDispatcher.java:348) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.Dispatcher.run(Dispatcher.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.doTranslation(CACSL2BoogieTranslatorObserver.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:152) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-21 17:55:37,552 INFO L168 Benchmark]: Toolchain (without parser) took 529.69 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 933.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:55:37,557 INFO L168 Benchmark]: CDTParser took 0.43 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 17:55:37,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.71 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 933.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:55:37,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 524.71 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 933.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:882) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5eb3fea [2018-09-21 17:55:39,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:55:39,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:55:39,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:55:39,874 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:55:39,875 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:55:39,876 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:55:39,878 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:55:39,880 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:55:39,883 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:55:39,884 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:55:39,884 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:55:39,885 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:55:39,888 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:55:39,889 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:55:39,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:55:39,892 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:55:39,893 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:55:39,898 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:55:39,900 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:55:39,901 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:55:39,902 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:55:39,904 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:55:39,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:55:39,904 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:55:39,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:55:39,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:55:39,907 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:55:39,908 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:55:39,909 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:55:39,909 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:55:39,910 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:55:39,910 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:55:39,910 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:55:39,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:55:39,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:55:39,912 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 17:55:39,927 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:55:39,927 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:55:39,928 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:55:39,928 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:55:39,929 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:55:39,929 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:55:39,929 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:55:39,929 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:55:39,930 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:55:39,930 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:55:39,930 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:55:39,930 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:55:39,930 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:55:39,930 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:55:39,931 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 17:55:39,931 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 17:55:39,931 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:55:39,931 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:55:39,931 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:55:39,932 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:55:39,932 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:55:39,932 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:55:39,932 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:55:39,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:55:39,932 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:55:39,933 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:55:39,933 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:55:39,933 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 17:55:39,933 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:55:39,933 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 17:55:39,934 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 17:55:39,934 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa002a274dcf3785c5e54826d6649d77e1293419 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 17:55:40,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:55:40,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:55:40,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:55:40,041 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:55:40,042 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:55:40,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864b_true-unreach-call.c [2018-09-21 17:55:40,412 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f7d1c50/b98187c6cb124ff7b633a022a4b0afd5/FLAG7574f9e78 [2018-09-21 17:55:40,687 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:55:40,690 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0864b_true-unreach-call.c [2018-09-21 17:55:40,707 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f7d1c50/b98187c6cb124ff7b633a022a4b0afd5/FLAG7574f9e78 [2018-09-21 17:55:40,724 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f7d1c50/b98187c6cb124ff7b633a022a4b0afd5 [2018-09-21 17:55:40,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:55:40,732 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:55:40,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:55:40,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:55:40,740 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:55:40,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:55:40" (1/1) ... [2018-09-21 17:55:40,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e56621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:40, skipping insertion in model container [2018-09-21 17:55:40,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:55:40" (1/1) ... [2018-09-21 17:55:40,757 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:55:41,251 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:55:41,274 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:55:41,479 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:55:41,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:41 WrapperNode [2018-09-21 17:55:41,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:55:41,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:55:41,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:55:41,541 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:55:41,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:41" (1/1) ... [2018-09-21 17:55:41,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:41" (1/1) ... [2018-09-21 17:55:41,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:41" (1/1) ... [2018-09-21 17:55:41,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:41" (1/1) ... [2018-09-21 17:55:41,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:41" (1/1) ... [2018-09-21 17:55:41,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:41" (1/1) ... [2018-09-21 17:55:41,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:41" (1/1) ... [2018-09-21 17:55:41,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:55:41,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:55:41,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:55:41,822 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:55:41,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:41" (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 17:55:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:55:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:55:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2018-09-21 17:55:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 17:55:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isinteger_double [2018-09-21 17:55:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-09-21 17:55:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-09-21 17:55:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-09-21 17:55:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 17:55:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-21 17:55:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-09-21 17:55:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:55:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:55:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:55:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2018-09-21 17:55:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:55:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 17:55:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 17:55:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:55:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 17:55:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 17:55:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 17:55:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure isinteger_double [2018-09-21 17:55:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-09-21 17:55:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-09-21 17:55:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-09-21 17:55:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 17:55:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-21 17:55:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-09-21 17:55:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:55:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:55:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:55:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 17:55:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 17:55:42,623 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:43,578 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:43,617 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:44,594 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:44,608 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:45,573 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:47,144 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:47,243 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:47,262 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:47,315 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:47,329 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:47,359 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:47,481 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:47,511 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:47,521 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:48,230 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:48,242 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:48,281 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:50,860 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:50,900 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:53,623 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:55,888 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:58,190 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:55:59,141 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:01,453 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:01,465 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:01,476 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:01,493 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:01,506 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:03,616 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:11,052 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:11,063 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:11,097 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:11,136 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:11,669 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:14,848 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:14,862 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:14,906 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:30,781 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:31,484 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:31,519 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:31,547 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:33,498 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:33,518 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:33,552 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:36,731 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:36,779 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:36,853 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:39,037 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:39,048 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:39,070 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:39,110 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:39,125 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:39,757 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:56:42,528 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:56:42,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:56:42 BoogieIcfgContainer [2018-09-21 17:56:42,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:56:42,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:56:42,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:56:42,534 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:56:42,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:55:40" (1/3) ... [2018-09-21 17:56:42,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fecec20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:56:42, skipping insertion in model container [2018-09-21 17:56:42,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:55:41" (2/3) ... [2018-09-21 17:56:42,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fecec20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:56:42, skipping insertion in model container [2018-09-21 17:56:42,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:56:42" (3/3) ... [2018-09-21 17:56:42,538 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0864b_true-unreach-call.c [2018-09-21 17:56:42,547 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:56:42,557 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:56:42,602 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:56:42,603 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:56:42,603 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:56:42,603 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:56:42,603 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:56:42,603 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:56:42,603 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:56:42,604 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:56:42,604 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:56:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states. [2018-09-21 17:56:42,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-21 17:56:42,666 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:56:42,667 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:56:42,670 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:56:42,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1836741029, now seen corresponding path program 1 times [2018-09-21 17:56:42,679 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:56:42,680 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 17:56:42,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:56:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:56:42,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:56:42,956 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 17:56:42,956 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:56:42,973 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:56:42,973 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:56:42,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:56:42,990 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:56:42,991 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:56:42,993 INFO L87 Difference]: Start difference. First operand 674 states. Second operand 2 states. [2018-09-21 17:56:43,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:56:43,062 INFO L93 Difference]: Finished difference Result 674 states and 799 transitions. [2018-09-21 17:56:43,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:56:43,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-09-21 17:56:43,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:56:43,090 INFO L225 Difference]: With dead ends: 674 [2018-09-21 17:56:43,090 INFO L226 Difference]: Without dead ends: 669 [2018-09-21 17:56:43,093 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:56:43,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2018-09-21 17:56:43,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2018-09-21 17:56:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-21 17:56:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 793 transitions. [2018-09-21 17:56:43,189 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 793 transitions. Word has length 27 [2018-09-21 17:56:43,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:56:43,190 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 793 transitions. [2018-09-21 17:56:43,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:56:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 793 transitions. [2018-09-21 17:56:43,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-21 17:56:43,195 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:56:43,195 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:56:43,195 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:56:43,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1947173955, now seen corresponding path program 1 times [2018-09-21 17:56:43,199 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:56:43,201 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 17:56:43,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:56:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:56:43,482 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:56:43,605 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 17:56:43,606 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:56:43,620 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:56:43,620 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-21 17:56:43,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-21 17:56:43,623 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-21 17:56:43,623 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-21 17:56:43,623 INFO L87 Difference]: Start difference. First operand 669 states and 793 transitions. Second operand 4 states. [2018-09-21 17:56:43,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:56:43,723 INFO L93 Difference]: Finished difference Result 673 states and 795 transitions. [2018-09-21 17:56:43,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-21 17:56:43,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-09-21 17:56:43,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:56:43,729 INFO L225 Difference]: With dead ends: 673 [2018-09-21 17:56:43,730 INFO L226 Difference]: Without dead ends: 669 [2018-09-21 17:56:43,731 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-21 17:56:43,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2018-09-21 17:56:43,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2018-09-21 17:56:43,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-21 17:56:43,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 791 transitions. [2018-09-21 17:56:43,760 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 791 transitions. Word has length 66 [2018-09-21 17:56:43,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:56:43,760 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 791 transitions. [2018-09-21 17:56:43,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-21 17:56:43,760 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 791 transitions. [2018-09-21 17:56:43,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-21 17:56:43,768 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:56:43,768 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:56:43,768 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:56:43,768 INFO L82 PathProgramCache]: Analyzing trace with hash 724547759, now seen corresponding path program 1 times [2018-09-21 17:56:43,771 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:56:43,771 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-21 17:56:43,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:56:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:56:45,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:56:45,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 17:56:45,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 17:56:45,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:45,426 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:45,604 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:56:45,604 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-21 17:56:45,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 17:56:45,739 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 16 treesize of output 4 [2018-09-21 17:56:45,739 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:45,775 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:45,840 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:56:45,840 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-21 17:56:46,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 17:56:46,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 17:56:46,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:46,227 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:46,350 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 17:56:46,350 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-21 17:56:46,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 17:56:46,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 17:56:46,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:46,532 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:46,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 17:56:46,576 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:27 [2018-09-21 17:56:47,558 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2018-09-21 17:56:47,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 17:56:47,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 17:56:47,954 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:47,975 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:48,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:56:48,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:56:48,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 17:56:48,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 17:56:48,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:56:48,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:56:48,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:56:48,234 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:56:49,135 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 17:56:49,135 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:56:49,174 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:56:49,175 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-21 17:56:49,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-21 17:56:49,176 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-21 17:56:49,176 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-09-21 17:56:49,179 INFO L87 Difference]: Start difference. First operand 669 states and 791 transitions. Second operand 18 states. [2018-09-21 17:56:50,411 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-21 17:56:50,997 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-21 17:56:51,930 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-21 17:56:52,812 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-21 17:56:53,839 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-21 17:56:54,583 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-21 17:56:55,445 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-21 17:57:04,627 WARN L178 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-21 17:57:06,119 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-09-21 17:57:52,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:57:52,795 INFO L93 Difference]: Finished difference Result 739 states and 879 transitions. [2018-09-21 17:57:52,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-09-21 17:57:52,804 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 129 [2018-09-21 17:57:52,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:57:52,810 INFO L225 Difference]: With dead ends: 739 [2018-09-21 17:57:52,811 INFO L226 Difference]: Without dead ends: 739 [2018-09-21 17:57:52,812 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=165, Invalid=1241, Unknown=0, NotChecked=0, Total=1406 [2018-09-21 17:57:52,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-09-21 17:57:52,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 726. [2018-09-21 17:57:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-09-21 17:57:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 865 transitions. [2018-09-21 17:57:52,840 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 865 transitions. Word has length 129 [2018-09-21 17:57:52,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:57:52,841 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 865 transitions. [2018-09-21 17:57:52,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-21 17:57:52,841 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 865 transitions. [2018-09-21 17:57:52,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-21 17:57:52,849 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:57:52,850 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:57:52,850 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:57:52,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1212153043, now seen corresponding path program 1 times [2018-09-21 17:57:52,851 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:57:52,851 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 17:57:52,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:57:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:57:53,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:57:53,379 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-09-21 17:57:53,528 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 17:57:53,528 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:57:53,547 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:57:53,548 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:57:53,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:57:53,549 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:57:53,549 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:57:53,549 INFO L87 Difference]: Start difference. First operand 726 states and 865 transitions. Second operand 9 states. [2018-09-21 17:57:57,129 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-09-21 17:57:58,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:57:58,025 INFO L93 Difference]: Finished difference Result 735 states and 873 transitions. [2018-09-21 17:57:58,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-21 17:57:58,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 131 [2018-09-21 17:57:58,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:57:58,035 INFO L225 Difference]: With dead ends: 735 [2018-09-21 17:57:58,035 INFO L226 Difference]: Without dead ends: 730 [2018-09-21 17:57:58,036 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-09-21 17:57:58,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-09-21 17:57:58,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 726. [2018-09-21 17:57:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-09-21 17:57:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 864 transitions. [2018-09-21 17:57:58,060 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 864 transitions. Word has length 131 [2018-09-21 17:57:58,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:57:58,061 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 864 transitions. [2018-09-21 17:57:58,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:57:58,061 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 864 transitions. [2018-09-21 17:57:58,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-21 17:57:58,065 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:57:58,066 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:57:58,066 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:57:58,066 INFO L82 PathProgramCache]: Analyzing trace with hash 564097052, now seen corresponding path program 1 times [2018-09-21 17:57:58,067 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:57:58,067 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 17:57:58,075 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 17:57:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:57:58,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:57:58,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 17:57:58,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 17:57:58,517 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:57:58,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:57:58,579 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:57:58,580 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-21 17:57:58,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 17:57:58,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 17:57:58,668 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:57:58,737 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:57:58,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:57:58,820 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-21 17:57:59,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 17:57:59,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 17:57:59,124 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:57:59,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:57:59,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 17:57:59,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-21 17:57:59,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 17:57:59,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 17:57:59,438 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:57:59,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:57:59,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 17:57:59,476 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:27 [2018-09-21 17:58:00,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 17:58:00,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 17:58:00,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:58:00,663 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:58:00,680 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:58:00,680 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:58:00,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 17:58:00,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 17:58:00,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:58:00,900 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:58:00,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:58:00,913 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:58:01,906 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 17:58:01,906 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:58:01,922 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:58:01,923 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-21 17:58:01,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-21 17:58:01,924 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-21 17:58:01,924 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-09-21 17:58:01,924 INFO L87 Difference]: Start difference. First operand 726 states and 864 transitions. Second operand 18 states. [2018-09-21 17:58:02,790 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-21 17:58:03,299 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-21 17:58:04,498 WARN L178 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-21 17:58:05,486 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-21 17:58:06,049 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-21 17:58:06,874 WARN L178 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-21 17:58:07,499 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-21 17:58:08,300 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-21 17:58:09,846 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-21 17:58:14,027 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-09-21 17:58:59,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:58:59,117 INFO L93 Difference]: Finished difference Result 748 states and 889 transitions. [2018-09-21 17:58:59,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-09-21 17:58:59,120 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 132 [2018-09-21 17:58:59,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:58:59,125 INFO L225 Difference]: With dead ends: 748 [2018-09-21 17:58:59,125 INFO L226 Difference]: Without dead ends: 746 [2018-09-21 17:58:59,126 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=165, Invalid=1241, Unknown=0, NotChecked=0, Total=1406 [2018-09-21 17:58:59,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2018-09-21 17:58:59,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 669. [2018-09-21 17:58:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-21 17:58:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 789 transitions. [2018-09-21 17:58:59,157 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 789 transitions. Word has length 132 [2018-09-21 17:58:59,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:58:59,158 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 789 transitions. [2018-09-21 17:58:59,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-21 17:58:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 789 transitions. [2018-09-21 17:58:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-21 17:58:59,165 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:58:59,166 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:58:59,166 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:58:59,166 INFO L82 PathProgramCache]: Analyzing trace with hash -895645421, now seen corresponding path program 1 times [2018-09-21 17:58:59,168 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:58:59,169 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-21 17:58:59,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-21 17:59:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:59:00,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:59:00,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 17:59:00,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 17:59:00,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:59:00,544 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:59:00,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:59:00,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:59:00,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 17:59:00,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 17:59:00,625 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:59:00,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:59:00,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:59:00,642 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:59:00,899 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 17:59:00,900 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:59:00,934 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:59:00,935 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:59:00,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:59:00,935 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:59:00,936 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:59:00,936 INFO L87 Difference]: Start difference. First operand 669 states and 789 transitions. Second operand 9 states. [2018-09-21 17:59:03,304 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 17:59:05,399 WARN L178 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 17:59:25,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:59:25,917 INFO L93 Difference]: Finished difference Result 771 states and 901 transitions. [2018-09-21 17:59:25,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 17:59:25,919 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 131 [2018-09-21 17:59:25,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:59:25,924 INFO L225 Difference]: With dead ends: 771 [2018-09-21 17:59:25,925 INFO L226 Difference]: Without dead ends: 769 [2018-09-21 17:59:25,925 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-21 17:59:25,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2018-09-21 17:59:25,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 669. [2018-09-21 17:59:25,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-21 17:59:25,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 787 transitions. [2018-09-21 17:59:25,944 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 787 transitions. Word has length 131 [2018-09-21 17:59:25,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:59:25,946 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 787 transitions. [2018-09-21 17:59:25,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:59:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 787 transitions. [2018-09-21 17:59:25,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-21 17:59:25,949 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:59:25,949 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 17:59:25,949 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:59:25,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1322112532, now seen corresponding path program 1 times [2018-09-21 17:59:25,950 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:59:25,950 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 17:59:25,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:59:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:59:27,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:59:27,545 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-21 17:59:27,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 17:59:27,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 17:59:27,573 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:59:27,586 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:59:28,566 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:59:28,567 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2018-09-21 17:59:28,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 17:59:28,987 INFO L303 Elim1Store]: Index analysis took 180 ms [2018-09-21 17:59:28,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 17:59:28,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:59:29,016 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:59:29,051 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:59:29,052 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:20 [2018-09-21 17:59:29,362 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-21 17:59:29,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-21 17:59:29,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 17:59:29,421 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:59:29,450 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:59:30,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 17:59:30,067 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:39 [2018-09-21 17:59:30,393 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-21 17:59:30,619 INFO L303 Elim1Store]: Index analysis took 223 ms [2018-09-21 17:59:30,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-21 17:59:30,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 17:59:30,714 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:59:30,762 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:59:31,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-21 17:59:31,048 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:48, output treesize:33 [2018-09-21 17:59:31,356 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 17:59:31,978 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-21 17:59:34,447 WARN L797 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_double_#res| (let ((.cse2 (fp.mul RNE |c_fmod_double_#in~x| |c_fmod_double_#in~y|))) (fp.div RNE .cse2 .cse2))))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_62| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_62|) ((_ extract 62 52) |v_q#valueAsBitvector_62|) ((_ extract 51 0) |v_q#valueAsBitvector_62|)))) (exists ((|v_q#valueAsBitvector_63| (_ BitVec 64)) (fmod_double_~ly~0 (_ BitVec 32))) (and (= (_ bv0 32) (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_63|) (_ bv2147483647 32)) fmod_double_~ly~0)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_63|) ((_ extract 62 52) |v_q#valueAsBitvector_63|) ((_ extract 51 0) |v_q#valueAsBitvector_63|)))))) (and .cse0 (exists ((v_prenex_10 (_ BitVec 64)) (v_prenex_12 (_ BitVec 32))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (bvugt (bvor (bvand ((_ extract 63 32) v_prenex_10) (_ bv2147483647 32)) (bvlshr (bvor v_prenex_12 (bvneg v_prenex_12)) (_ bv31 32))) (_ bv2146435072 32)))) (exists ((v_prenex_11 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))))) (and (exists ((v_prenex_7 (_ BitVec 64))) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)))) .cse0 (exists ((v_prenex_8 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_8))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32))))))) is different from false [2018-09-21 17:59:37,116 WARN L819 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_double_#res| (let ((.cse2 (fp.mul RNE |c_fmod_double_#in~x| |c_fmod_double_#in~y|))) (fp.div RNE .cse2 .cse2))))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_62| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_62|) ((_ extract 62 52) |v_q#valueAsBitvector_62|) ((_ extract 51 0) |v_q#valueAsBitvector_62|)))) (exists ((|v_q#valueAsBitvector_63| (_ BitVec 64)) (fmod_double_~ly~0 (_ BitVec 32))) (and (= (_ bv0 32) (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_63|) (_ bv2147483647 32)) fmod_double_~ly~0)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_63|) ((_ extract 62 52) |v_q#valueAsBitvector_63|) ((_ extract 51 0) |v_q#valueAsBitvector_63|)))))) (and .cse0 (exists ((v_prenex_10 (_ BitVec 64)) (v_prenex_12 (_ BitVec 32))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (bvugt (bvor (bvand ((_ extract 63 32) v_prenex_10) (_ bv2147483647 32)) (bvlshr (bvor v_prenex_12 (bvneg v_prenex_12)) (_ bv31 32))) (_ bv2146435072 32)))) (exists ((v_prenex_11 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))))) (and (exists ((v_prenex_7 (_ BitVec 64))) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)))) .cse0 (exists ((v_prenex_8 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_8))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32))))))) is different from true [2018-09-21 18:00:21,638 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-09-21 18:00:21,839 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2018-09-21 18:00:21,841 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:154) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:893) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:732) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:338) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:236) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:430) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 39 more [2018-09-21 18:00:21,845 INFO L168 Benchmark]: Toolchain (without parser) took 281115.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 266.9 MB). Free memory was 954.5 MB in the beginning and 854.8 MB in the end (delta: 99.7 MB). Peak memory consumption was 366.6 MB. Max. memory is 11.5 GB. [2018-09-21 18:00:21,846 INFO L168 Benchmark]: CDTParser took 0.24 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 18:00:21,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.59 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 911.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:00:21,850 INFO L168 Benchmark]: Boogie Preprocessor took 279.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 911.6 MB in the beginning and 1.1 GB in the end (delta: -218.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:00:21,851 INFO L168 Benchmark]: RCFGBuilder took 60709.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.2 MB in the end (delta: 167.7 MB). Peak memory consumption was 167.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:00:21,854 INFO L168 Benchmark]: TraceAbstraction took 219314.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.5 MB). Free memory was 962.2 MB in the beginning and 854.8 MB in the end (delta: 107.4 MB). Peak memory consumption was 226.9 MB. Max. memory is 11.5 GB. [2018-09-21 18:00:21,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 806.59 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 911.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 279.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 911.6 MB in the beginning and 1.1 GB in the end (delta: -218.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 60709.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.2 MB in the end (delta: 167.7 MB). Peak memory consumption was 167.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 219314.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.5 MB). Free memory was 962.2 MB in the beginning and 854.8 MB in the end (delta: 107.4 MB). Peak memory consumption was 226.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...