/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0871_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0871_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 fe2d748559a9999b6482961dcccbe11989db4f71 ......................................................................................................................................................... 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_0871_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 fe2d748559a9999b6482961dcccbe11989db4f71 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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. No stderr output. --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 14:47:35,065 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:47:35,067 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:47:35,080 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:47:35,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:47:35,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:47:35,084 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:47:35,086 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:47:35,087 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:47:35,089 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:47:35,090 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:47:35,090 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:47:35,091 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:47:35,092 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:47:35,094 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:47:35,095 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:47:35,096 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:47:35,098 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:47:35,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:47:35,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:47:35,104 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:47:35,106 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:47:35,109 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:47:35,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:47:35,109 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:47:35,111 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:47:35,112 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:47:35,113 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:47:35,115 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:47:35,117 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:47:35,117 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:47:35,120 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:47:35,120 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:47:35,121 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:47:35,124 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:47:35,125 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:47:35,126 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:47:35,163 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:47:35,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:47:35,164 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:47:35,165 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:47:35,165 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:47:35,166 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:47:35,166 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:47:35,166 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:47:35,166 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:47:35,166 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:47:35,167 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:47:35,167 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:47:35,167 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:47:35,167 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:47:35,167 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:47:35,167 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:47:35,168 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:47:35,168 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:47:35,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:47:35,169 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:47:35,170 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:47:35,170 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:47:35,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:47:35,170 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:47:35,170 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:47:35,171 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:47:35,171 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:47:35,171 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:47:35,171 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:47:35,171 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 -> fe2d748559a9999b6482961dcccbe11989db4f71 [2018-09-20 14:47:35,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:47:35,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:47:35,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:47:35,253 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:47:35,254 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:47:35,255 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0871_true-unreach-call.c [2018-09-20 14:47:35,612 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bddf03655/94415f5ef7cf467c80073388a9f31345/FLAGca008a0f2 [2018-09-20 14:47:35,871 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:47:35,872 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0871_true-unreach-call.c [2018-09-20 14:47:35,888 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bddf03655/94415f5ef7cf467c80073388a9f31345/FLAGca008a0f2 [2018-09-20 14:47:35,905 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bddf03655/94415f5ef7cf467c80073388a9f31345 [2018-09-20 14:47:35,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:47:35,912 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:47:35,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:47:35,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:47:35,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:47:35,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:47:35" (1/1) ... [2018-09-20 14:47:35,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f56ae6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:35, skipping insertion in model container [2018-09-20 14:47:35,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:47:35" (1/1) ... [2018-09-20 14:47:35,938 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:47:36,296 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:882) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$37(StandardFunctionHandler.java:260) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:160) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1549) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:513) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1928) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1748) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1725) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:339) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1573) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3980) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2445) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:183) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.preRun(MainDispatcher.java:348) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.Dispatcher.run(Dispatcher.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.doTranslation(CACSL2BoogieTranslatorObserver.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:152) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-20 14:47:36,309 INFO L168 Benchmark]: Toolchain (without parser) took 399.52 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:47:36,314 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:47:36,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.93 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:47:36,319 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.93 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:882) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 14:47:38,636 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:47:38,639 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:47:38,653 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:47:38,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:47:38,654 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:47:38,655 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:47:38,660 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:47:38,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:47:38,665 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:47:38,666 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:47:38,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:47:38,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:47:38,668 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:47:38,669 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:47:38,670 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:47:38,671 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:47:38,673 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:47:38,675 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:47:38,676 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:47:38,678 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:47:38,679 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:47:38,681 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:47:38,682 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:47:38,682 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:47:38,683 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:47:38,684 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:47:38,685 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:47:38,686 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:47:38,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:47:38,687 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:47:38,688 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:47:38,688 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:47:38,689 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:47:38,690 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:47:38,691 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:47:38,691 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:47:38,706 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:47:38,707 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:47:38,708 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:47:38,708 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:47:38,708 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:47:38,709 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:47:38,709 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:47:38,709 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:47:38,709 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:47:38,709 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:47:38,710 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:47:38,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:47:38,710 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:47:38,710 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:47:38,710 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:47:38,710 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:47:38,711 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:47:38,711 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:47:38,711 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:47:38,711 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:47:38,711 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:47:38,712 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:47:38,712 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:47:38,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:47:38,712 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:47:38,712 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:47:38,712 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:47:38,713 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:47:38,713 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:47:38,713 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:47:38,713 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:47:38,713 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 -> fe2d748559a9999b6482961dcccbe11989db4f71 [2018-09-20 14:47:38,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:47:38,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:47:38,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:47:38,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:47:38,800 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:47:38,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0871_true-unreach-call.c [2018-09-20 14:47:39,172 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/369f055c6/047c5353db234ae1a8adf103fa3fb792/FLAG56570d476 [2018-09-20 14:47:39,409 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:47:39,410 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0871_true-unreach-call.c [2018-09-20 14:47:39,427 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/369f055c6/047c5353db234ae1a8adf103fa3fb792/FLAG56570d476 [2018-09-20 14:47:39,444 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/369f055c6/047c5353db234ae1a8adf103fa3fb792 [2018-09-20 14:47:39,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:47:39,451 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:47:39,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:47:39,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:47:39,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:47:39,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:47:39" (1/1) ... [2018-09-20 14:47:39,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee8b63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:39, skipping insertion in model container [2018-09-20 14:47:39,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:47:39" (1/1) ... [2018-09-20 14:47:39,480 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:47:39,954 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:47:39,990 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:47:40,141 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:47:40,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:40 WrapperNode [2018-09-20 14:47:40,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:47:40,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:47:40,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:47:40,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:47:40,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:40" (1/1) ... [2018-09-20 14:47:40,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:40" (1/1) ... [2018-09-20 14:47:40,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:40" (1/1) ... [2018-09-20 14:47:40,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:40" (1/1) ... [2018-09-20 14:47:40,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:40" (1/1) ... [2018-09-20 14:47:40,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:40" (1/1) ... [2018-09-20 14:47:40,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:40" (1/1) ... [2018-09-20 14:47:40,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:47:40,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:47:40,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:47:40,391 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:47:40,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:47:40,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:47:40,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:47:40,631 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-09-20 14:47:40,631 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-09-20 14:47:40,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:47:40,632 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-20 14:47:40,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-09-20 14:47:40,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:47:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:47:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:47:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-09-20 14:47:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:47:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:47:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:47:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:47:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:47:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:47:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-09-20 14:47:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:47:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-20 14:47:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-09-20 14:47:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:47:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:47:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:47:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:47:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:47:41,198 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:41,828 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:41,853 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:42,461 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:42,501 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:43,640 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:45,007 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:45,062 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:45,095 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:45,140 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:45,172 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:45,195 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:45,372 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:47,993 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:48,044 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:50,729 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:52,948 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:55,201 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:57,409 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:59,639 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:59,672 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:59,682 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:59,737 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:59,748 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:01,864 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:09,301 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:09,330 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:09,381 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:09,459 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:09,932 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:12,983 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:12,994 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:13,045 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:30,232 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:31,152 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:31,192 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:35,869 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:35,885 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:35,913 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:36,010 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:36,052 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:36,064 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:48:38,170 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:48:38,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:48:38 BoogieIcfgContainer [2018-09-20 14:48:38,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:48:38,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:48:38,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:48:38,177 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:48:38,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:47:39" (1/3) ... [2018-09-20 14:48:38,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3926f6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:48:38, skipping insertion in model container [2018-09-20 14:48:38,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:47:40" (2/3) ... [2018-09-20 14:48:38,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3926f6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:48:38, skipping insertion in model container [2018-09-20 14:48:38,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:48:38" (3/3) ... [2018-09-20 14:48:38,182 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0871_true-unreach-call.c [2018-09-20 14:48:38,193 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:48:38,203 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:48:38,259 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:48:38,260 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:48:38,260 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:48:38,260 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:48:38,260 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:48:38,260 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:48:38,260 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:48:38,261 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:48:38,261 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:48:38,296 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states. [2018-09-20 14:48:38,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-20 14:48:38,304 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:48:38,305 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:48:38,308 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:48:38,313 INFO L82 PathProgramCache]: Analyzing trace with hash 425131288, now seen corresponding path program 1 times [2018-09-20 14:48:38,318 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:48:38,319 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 14:48:38,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:48:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:48:38,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:48:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:48:38,597 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:48:38,618 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:48:38,618 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:48:38,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:48:38,639 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:48:38,640 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:48:38,643 INFO L87 Difference]: Start difference. First operand 494 states. Second operand 2 states. [2018-09-20 14:48:38,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:48:38,743 INFO L93 Difference]: Finished difference Result 980 states and 1264 transitions. [2018-09-20 14:48:38,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:48:38,744 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-20 14:48:38,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:48:38,766 INFO L225 Difference]: With dead ends: 980 [2018-09-20 14:48:38,766 INFO L226 Difference]: Without dead ends: 490 [2018-09-20 14:48:38,777 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:48:38,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-09-20 14:48:38,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2018-09-20 14:48:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-09-20 14:48:38,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 570 transitions. [2018-09-20 14:48:38,872 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 570 transitions. Word has length 17 [2018-09-20 14:48:38,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:48:38,872 INFO L480 AbstractCegarLoop]: Abstraction has 490 states and 570 transitions. [2018-09-20 14:48:38,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:48:38,873 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 570 transitions. [2018-09-20 14:48:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-20 14:48:38,875 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:48:38,875 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:48:38,875 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:48:38,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1962425380, now seen corresponding path program 1 times [2018-09-20 14:48:38,877 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:48:38,877 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 [2018-09-20 14:48:38,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:48:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:48:39,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:48:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:48:39,325 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:48:39,341 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:48:39,342 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 14:48:39,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 14:48:39,344 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 14:48:39,345 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-20 14:48:39,345 INFO L87 Difference]: Start difference. First operand 490 states and 570 transitions. Second operand 6 states. [2018-09-20 14:49:09,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:49:09,508 INFO L93 Difference]: Finished difference Result 565 states and 653 transitions. [2018-09-20 14:49:09,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-20 14:49:09,512 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-09-20 14:49:09,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:49:09,533 INFO L225 Difference]: With dead ends: 565 [2018-09-20 14:49:09,533 INFO L226 Difference]: Without dead ends: 559 [2018-09-20 14:49:09,538 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:49:09,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2018-09-20 14:49:09,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 490. [2018-09-20 14:49:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-09-20 14:49:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 567 transitions. [2018-09-20 14:49:09,589 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 567 transitions. Word has length 43 [2018-09-20 14:49:09,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:49:09,590 INFO L480 AbstractCegarLoop]: Abstraction has 490 states and 567 transitions. [2018-09-20 14:49:09,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 14:49:09,590 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 567 transitions. [2018-09-20 14:49:09,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-20 14:49:09,592 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:49:09,592 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] [2018-09-20 14:49:09,592 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:49:09,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1580647785, now seen corresponding path program 1 times [2018-09-20 14:49:09,598 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:49:09,599 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 14:49:09,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:49:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:49:09,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:49:09,996 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:49:09,997 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:49:10,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 27 treesize of output 35 [2018-09-20 14:49:10,056 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:49:10,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-20 14:49:10,094 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:10,146 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:10,170 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:10,170 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-20 14:49:10,369 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:49:10,370 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:49:10,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 54 treesize of output 56 [2018-09-20 14:49:10,421 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:49:10,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-09-20 14:49:10,456 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:10,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:10,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:10,582 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-20 14:49:10,680 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 35 treesize of output 27 [2018-09-20 14:49:10,722 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:49:10,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-09-20 14:49:10,753 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:10,782 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:10,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:10,797 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-20 14:49:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:49:11,203 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:49:11,220 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:49:11,221 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-20 14:49:11,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-20 14:49:11,221 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-20 14:49:11,222 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-09-20 14:49:11,222 INFO L87 Difference]: Start difference. First operand 490 states and 567 transitions. Second operand 11 states. [2018-09-20 14:49:11,677 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-20 14:49:12,125 WARN L178 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 14:49:12,323 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-20 14:49:12,725 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 14:49:13,054 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 14:49:13,261 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:49:40,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:49:40,534 INFO L93 Difference]: Finished difference Result 596 states and 683 transitions. [2018-09-20 14:49:40,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 14:49:40,537 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2018-09-20 14:49:40,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:49:40,539 INFO L225 Difference]: With dead ends: 596 [2018-09-20 14:49:40,539 INFO L226 Difference]: Without dead ends: 386 [2018-09-20 14:49:40,541 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2018-09-20 14:49:40,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2018-09-20 14:49:40,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2018-09-20 14:49:40,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-09-20 14:49:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 443 transitions. [2018-09-20 14:49:40,560 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 443 transitions. Word has length 45 [2018-09-20 14:49:40,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:49:40,560 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 443 transitions. [2018-09-20 14:49:40,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-20 14:49:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 443 transitions. [2018-09-20 14:49:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 14:49:40,563 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:49:40,563 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] [2018-09-20 14:49:40,563 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:49:40,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1131981993, now seen corresponding path program 1 times [2018-09-20 14:49:40,565 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:49:40,565 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 14:49:40,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 14:49:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:49:41,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:49:44,287 WARN L797 $PredicateComparison]: unable to prove that (and (= c_~one_pow~0 ((_ to_fp 11 53) RNE 1.0)) (= |c___ieee754_pow_#res| (fp.div RNE c_~one_pow~0 |c___ieee754_pow_#in~x|))) is different from false [2018-09-20 14:49:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:49:44,347 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:49:44,375 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:49:44,376 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:49:44,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:49:44,377 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:49:44,378 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2018-09-20 14:49:44,378 INFO L87 Difference]: Start difference. First operand 383 states and 443 transitions. Second operand 8 states. [2018-09-20 14:50:02,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:50:02,245 INFO L93 Difference]: Finished difference Result 395 states and 457 transitions. [2018-09-20 14:50:03,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-20 14:50:03,187 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-09-20 14:50:03,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:50:03,189 INFO L225 Difference]: With dead ends: 395 [2018-09-20 14:50:03,190 INFO L226 Difference]: Without dead ends: 389 [2018-09-20 14:50:03,190 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2018-09-20 14:50:03,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-09-20 14:50:03,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 383. [2018-09-20 14:50:03,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-09-20 14:50:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 442 transitions. [2018-09-20 14:50:03,207 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 442 transitions. Word has length 49 [2018-09-20 14:50:03,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:50:03,208 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 442 transitions. [2018-09-20 14:50:03,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:50:03,208 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 442 transitions. [2018-09-20 14:50:03,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 14:50:03,211 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:50:03,211 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] [2018-09-20 14:50:03,211 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:50:03,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1103352842, now seen corresponding path program 1 times [2018-09-20 14:50:03,212 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:50:03,212 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) [2018-09-20 14:50:03,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 14:50:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:50:03,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:50:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:50:03,614 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:50:03,634 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:50:03,635 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-20 14:50:03,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-20 14:50:03,635 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-20 14:50:03,635 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-20 14:50:03,636 INFO L87 Difference]: Start difference. First operand 383 states and 442 transitions. Second operand 7 states. [2018-09-20 14:50:17,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:50:17,762 INFO L93 Difference]: Finished difference Result 389 states and 447 transitions. [2018-09-20 14:50:17,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 14:50:17,764 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2018-09-20 14:50:17,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:50:17,768 INFO L225 Difference]: With dead ends: 389 [2018-09-20 14:50:17,768 INFO L226 Difference]: Without dead ends: 382 [2018-09-20 14:50:17,769 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-20 14:50:17,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-09-20 14:50:17,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-09-20 14:50:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-09-20 14:50:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 440 transitions. [2018-09-20 14:50:17,785 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 440 transitions. Word has length 49 [2018-09-20 14:50:17,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:50:17,785 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 440 transitions. [2018-09-20 14:50:17,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-20 14:50:17,786 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 440 transitions. [2018-09-20 14:50:17,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 14:50:17,789 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:50:17,789 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] [2018-09-20 14:50:17,789 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:50:17,789 INFO L82 PathProgramCache]: Analyzing trace with hash -846285129, now seen corresponding path program 1 times [2018-09-20 14:50:17,790 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:50:17,790 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 14:50:17,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 14:50:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:50:18,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:50:25,379 WARN L178 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 5 [2018-09-20 14:50:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:50:28,185 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:50:28,200 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:50:28,200 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-20 14:50:28,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-20 14:50:28,201 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-20 14:50:28,201 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=30, Unknown=1, NotChecked=0, Total=42 [2018-09-20 14:50:28,202 INFO L87 Difference]: Start difference. First operand 382 states and 440 transitions. Second operand 7 states. [2018-09-20 14:50:36,263 WARN L178 SmtUtils]: Spent 4.64 s on a formula simplification that was a NOOP. DAG size: 8 [2018-09-20 14:51:02,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:51:02,766 INFO L93 Difference]: Finished difference Result 388 states and 445 transitions. [2018-09-20 14:51:02,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 14:51:02,816 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2018-09-20 14:51:02,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:51:02,818 INFO L225 Difference]: With dead ends: 388 [2018-09-20 14:51:02,818 INFO L226 Difference]: Without dead ends: 382 [2018-09-20 14:51:02,819 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2018-09-20 14:51:02,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-09-20 14:51:02,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-09-20 14:51:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-09-20 14:51:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 439 transitions. [2018-09-20 14:51:02,835 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 439 transitions. Word has length 49 [2018-09-20 14:51:02,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:51:02,836 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 439 transitions. [2018-09-20 14:51:02,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-20 14:51:02,836 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 439 transitions. [2018-09-20 14:51:02,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-20 14:51:02,839 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:51:02,839 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] [2018-09-20 14:51:02,839 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:51:02,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1666872400, now seen corresponding path program 1 times [2018-09-20 14:51:02,841 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:51:02,841 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 [2018-09-20 14:51:02,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:51:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:51:03,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:51:03,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:51:03,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:51:03,588 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:03,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:03,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:03,615 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:51:03,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:51:03,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:51:03,708 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:03,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:03,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:03,766 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:51:04,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:51:04,045 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:51:04,064 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:51:04,064 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-20 14:51:04,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-20 14:51:04,065 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-20 14:51:04,065 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-09-20 14:51:04,065 INFO L87 Difference]: Start difference. First operand 382 states and 439 transitions. Second operand 10 states. [2018-09-20 14:51:19,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:51:19,365 INFO L93 Difference]: Finished difference Result 402 states and 460 transitions. [2018-09-20 14:51:19,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 14:51:19,369 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2018-09-20 14:51:19,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:51:19,376 INFO L225 Difference]: With dead ends: 402 [2018-09-20 14:51:19,376 INFO L226 Difference]: Without dead ends: 393 [2018-09-20 14:51:19,377 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:51:19,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-09-20 14:51:19,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 382. [2018-09-20 14:51:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-09-20 14:51:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 438 transitions. [2018-09-20 14:51:19,405 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 438 transitions. Word has length 71 [2018-09-20 14:51:19,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:51:19,405 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 438 transitions. [2018-09-20 14:51:19,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-20 14:51:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 438 transitions. [2018-09-20 14:51:19,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-20 14:51:19,412 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:51:19,413 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] [2018-09-20 14:51:19,413 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:51:19,413 INFO L82 PathProgramCache]: Analyzing trace with hash -83148140, now seen corresponding path program 1 times [2018-09-20 14:51:19,414 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:51:19,414 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-20 14:51:19,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:51:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:51:19,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:51:19,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:51:19,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:51:19,863 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:19,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:19,887 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:19,888 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:51:19,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:51:19,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:51:19,973 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:19,977 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:19,988 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:19,990 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:51:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:51:20,288 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:51:20,302 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:51:20,302 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-20 14:51:20,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-20 14:51:20,303 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-20 14:51:20,303 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-09-20 14:51:20,304 INFO L87 Difference]: Start difference. First operand 382 states and 438 transitions. Second operand 10 states. [2018-09-20 14:51:33,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:51:33,663 INFO L93 Difference]: Finished difference Result 453 states and 527 transitions. [2018-09-20 14:51:33,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:51:33,664 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2018-09-20 14:51:33,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:51:33,667 INFO L225 Difference]: With dead ends: 453 [2018-09-20 14:51:33,667 INFO L226 Difference]: Without dead ends: 386 [2018-09-20 14:51:33,668 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2018-09-20 14:51:33,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2018-09-20 14:51:33,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 380. [2018-09-20 14:51:33,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-20 14:51:33,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 432 transitions. [2018-09-20 14:51:33,685 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 432 transitions. Word has length 73 [2018-09-20 14:51:33,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:51:33,685 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 432 transitions. [2018-09-20 14:51:33,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-20 14:51:33,685 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 432 transitions. [2018-09-20 14:51:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-20 14:51:33,688 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:51:33,688 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] [2018-09-20 14:51:33,688 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:51:33,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1418099158, now seen corresponding path program 1 times [2018-09-20 14:51:33,689 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:51:33,689 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-09-20 14:51:33,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:51:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:51:34,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:51:34,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:51:34,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:51:34,971 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:34,979 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:35,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:35,000 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:51:35,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:51:35,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:51:35,074 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:35,100 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:35,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:35,144 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:51:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:51:35,376 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:51:35,405 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:51:35,405 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:51:35,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:51:35,405 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:51:35,406 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:51:35,406 INFO L87 Difference]: Start difference. First operand 380 states and 432 transitions. Second operand 8 states. [2018-09-20 14:51:36,457 WARN L178 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:51:50,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:51:50,861 INFO L93 Difference]: Finished difference Result 515 states and 588 transitions. [2018-09-20 14:51:50,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-20 14:51:50,863 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 76 [2018-09-20 14:51:50,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:51:50,865 INFO L225 Difference]: With dead ends: 515 [2018-09-20 14:51:50,866 INFO L226 Difference]: Without dead ends: 372 [2018-09-20 14:51:50,867 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-09-20 14:51:50,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-09-20 14:51:50,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-09-20 14:51:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-09-20 14:51:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 411 transitions. [2018-09-20 14:51:50,884 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 411 transitions. Word has length 76 [2018-09-20 14:51:50,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:51:50,884 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 411 transitions. [2018-09-20 14:51:50,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:51:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 411 transitions. [2018-09-20 14:51:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-20 14:51:50,888 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:51:50,888 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] [2018-09-20 14:51:50,888 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:51:50,889 INFO L82 PathProgramCache]: Analyzing trace with hash -2105643434, now seen corresponding path program 1 times [2018-09-20 14:51:50,889 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:51:50,889 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-09-20 14:51:50,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:51:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:51:53,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:51:53,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:51:53,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:51:53,536 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:53,561 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:53,660 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:53,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-09-20 14:51:53,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:51:53,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:51:53,843 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:53,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:53,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:53,960 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:22 [2018-09-20 14:51:54,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:51:54,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:51:54,202 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:54,411 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:54,504 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:54,504 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-09-20 14:51:54,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:51:54,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:51:54,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:54,740 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:54,864 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:54,865 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:22 [2018-09-20 14:51:55,190 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-20 14:51:55,224 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:51:55,237 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:51:55,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 27 treesize of output 35 [2018-09-20 14:51:55,251 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:51:55,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-20 14:51:55,283 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:55,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:55,367 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:55,367 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:46 [2018-09-20 14:51:55,530 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 35 treesize of output 28 [2018-09-20 14:51:55,543 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:51:55,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-09-20 14:51:55,561 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:55,583 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:55,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:55,631 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:58, output treesize:44 [2018-09-20 14:51:55,804 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 66 treesize of output 50 [2018-09-20 14:51:55,814 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:51:55,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2018-09-20 14:51:55,823 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:51:55,838 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:51:55,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:51:55,875 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:89, output treesize:51 [2018-09-20 14:51:59,779 WARN L797 $PredicateComparison]: unable to prove that (and (= c_~one_pow~0 ((_ to_fp 11 53) RNE 1.0)) (exists ((|v_q#valueAsBitvector_50| (_ BitVec 64)) (|v_q#valueAsBitvector_49| (_ BitVec 64))) (and (= c___ieee754_pow_~z~1 (fp.div RNE c_~one_pow~0 (let ((.cse0 (concat (bvand ((_ extract 63 32) |v_q#valueAsBitvector_49|) (_ bv2147483647 32)) ((_ extract 31 0) |v_q#valueAsBitvector_50|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_50|) ((_ extract 62 52) |v_q#valueAsBitvector_50|) ((_ extract 51 0) |v_q#valueAsBitvector_50|)) |c___ieee754_pow_#in~x|) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_49|) ((_ extract 62 52) |v_q#valueAsBitvector_49|) ((_ extract 51 0) |v_q#valueAsBitvector_49|)) |c___ieee754_pow_#in~x|)))) is different from false [2018-09-20 14:52:02,217 WARN L797 $PredicateComparison]: unable to prove that (and (= c_~one_pow~0 ((_ to_fp 11 53) RNE 1.0)) (exists ((|v_q#valueAsBitvector_50| (_ BitVec 64)) (|v_q#valueAsBitvector_49| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_50|) ((_ extract 62 52) |v_q#valueAsBitvector_50|) ((_ extract 51 0) |v_q#valueAsBitvector_50|)) |c___ieee754_pow_#in~x|) (= |c___ieee754_pow_#res| (fp.div RNE c_~one_pow~0 (let ((.cse0 (concat (bvand ((_ extract 63 32) |v_q#valueAsBitvector_49|) (_ bv2147483647 32)) ((_ extract 31 0) |v_q#valueAsBitvector_50|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_49|) ((_ extract 62 52) |v_q#valueAsBitvector_49|) ((_ extract 51 0) |v_q#valueAsBitvector_49|)) |c___ieee754_pow_#in~x|)))) is different from false [2018-09-20 14:53:21,727 WARN L178 SmtUtils]: Spent 4.78 s on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:53:24,175 WARN L797 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_50| (_ BitVec 64)) (|v_q#valueAsBitvector_49| (_ BitVec 64))) (let ((.cse0 ((_ to_fp 11 53) RNE 1.0))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_49|) ((_ extract 62 52) |v_q#valueAsBitvector_49|) ((_ extract 51 0) |v_q#valueAsBitvector_49|)) .cse0) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_50|) ((_ extract 62 52) |v_q#valueAsBitvector_50|) ((_ extract 51 0) |v_q#valueAsBitvector_50|)) .cse0) (= c_main_~res~0 (fp.div RNE .cse0 (let ((.cse1 (concat (bvand ((_ extract 63 32) |v_q#valueAsBitvector_49|) (_ bv2147483647 32)) ((_ extract 31 0) |v_q#valueAsBitvector_50|)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))))) is different from false [2018-09-20 14:53:30,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:53:30,095 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:53:30,119 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:53:30,119 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2018-09-20 14:53:30,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-09-20 14:53:30,120 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-09-20 14:53:30,120 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=302, Unknown=26, NotChecked=114, Total=506 [2018-09-20 14:53:30,120 INFO L87 Difference]: Start difference. First operand 372 states and 411 transitions. Second operand 23 states. [2018-09-20 14:54:00,560 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-20 14:54:53,662 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-09-20 14:55:00,105 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-09-20 14:55:05,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 14:55:05,058 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. No stderr output. 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:858) 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.getOrConstructPredicateForConjunction(PredicateUnifier.java:381) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:603) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: 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) ... 43 more [2018-09-20 14:55:05,063 INFO L168 Benchmark]: Toolchain (without parser) took 445614.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.2 MB). Free memory was 953.2 MB in the beginning and 852.4 MB in the end (delta: 100.8 MB). Peak memory consumption was 419.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:05,064 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:55:05,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.05 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 921.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:05,072 INFO L168 Benchmark]: Boogie Preprocessor took 165.31 ms. Allocated memory is still 1.0 GB. Free memory was 921.0 MB in the beginning and 915.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:05,073 INFO L168 Benchmark]: RCFGBuilder took 57782.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 915.6 MB in the beginning and 1.0 GB in the end (delta: -96.5 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:05,074 INFO L168 Benchmark]: TraceAbstraction took 386890.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 1.0 GB in the beginning and 852.4 MB in the end (delta: 159.8 MB). Peak memory consumption was 324.9 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:05,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 770.05 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 921.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 165.31 ms. Allocated memory is still 1.0 GB. Free memory was 921.0 MB in the beginning and 915.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 57782.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 915.6 MB in the beginning and 1.0 GB in the end (delta: -96.5 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 386890.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 1.0 GB in the beginning and 852.4 MB in the end (delta: 159.8 MB). Peak memory consumption was 324.9 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. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output.: 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...