./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-esbmc-regression/nan_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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 /storage/repos/svcomp/c/floats-esbmc-regression/nan_true-unreach-call.i -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 567b7fa1f847760293934d0162ff45c1e81b7a4f ........................................................................................................................................................ 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 /storage/repos/svcomp/c/floats-esbmc-regression/nan_true-unreach-call.i -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 567b7fa1f847760293934d0162ff45c1e81b7a4f ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:36:10,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:36:10,330 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:36:10,342 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:36:10,343 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:36:10,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:36:10,345 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:36:10,347 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:36:10,348 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:36:10,349 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:36:10,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:36:10,350 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:36:10,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:36:10,352 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:36:10,354 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:36:10,354 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:36:10,355 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:36:10,357 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:36:10,359 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:36:10,361 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:36:10,362 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:36:10,363 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:36:10,365 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:36:10,365 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:36:10,366 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:36:10,369 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:36:10,370 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:36:10,374 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:36:10,375 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:36:10,376 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:36:10,376 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:36:10,379 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:36:10,379 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:36:10,379 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:36:10,381 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:36:10,381 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:36:10,382 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:36:10,412 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:36:10,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:36:10,414 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:36:10,414 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:36:10,415 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:36:10,416 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:36:10,416 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:36:10,416 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:36:10,416 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:36:10,416 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:36:10,416 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:36:10,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:36:10,417 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:36:10,417 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:36:10,417 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:36:10,417 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:36:10,417 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:36:10,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:36:10,420 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:36:10,421 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:36:10,421 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:36:10,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:36:10,421 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:36:10,421 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:36:10,422 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:36:10,422 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:36:10,422 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:36:10,422 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:36:10,422 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 -> 567b7fa1f847760293934d0162ff45c1e81b7a4f [2018-12-31 03:36:10,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:36:10,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:36:10,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:36:10,496 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:36:10,497 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:36:10,497 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-esbmc-regression/nan_true-unreach-call.i [2018-12-31 03:36:10,563 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9523507c7/bc63a3d9c9c044288909b68db6bd6ce1/FLAG71f9e3be0 [2018-12-31 03:36:11,082 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:36:11,082 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-esbmc-regression/nan_true-unreach-call.i [2018-12-31 03:36:11,097 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9523507c7/bc63a3d9c9c044288909b68db6bd6ce1/FLAG71f9e3be0 [2018-12-31 03:36:11,373 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9523507c7/bc63a3d9c9c044288909b68db6bd6ce1 [2018-12-31 03:36:11,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:36:11,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:36:11,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:36:11,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:36:11,384 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:36:11,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:36:11" (1/1) ... [2018-12-31 03:36:11,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8e7523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:11, skipping insertion in model container [2018-12-31 03:36:11,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:36:11" (1/1) ... [2018-12-31 03:36:11,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:36:11,450 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:36:12,038 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:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1670) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$32(StandardFunctionHandler.java:313) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1260) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2868) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1999) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1015) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:964) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3447) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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) [2018-12-31 03:36:12,046 INFO L168 Benchmark]: Toolchain (without parser) took 668.07 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-12-31 03:36:12,050 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:36:12,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.33 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-31 03:36:12,055 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 665.33 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 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:834) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:36:14,230 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:36:14,232 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:36:14,244 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:36:14,244 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:36:14,245 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:36:14,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:36:14,249 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:36:14,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:36:14,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:36:14,253 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:36:14,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:36:14,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:36:14,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:36:14,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:36:14,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:36:14,259 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:36:14,261 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:36:14,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:36:14,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:36:14,267 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:36:14,268 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:36:14,272 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:36:14,272 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:36:14,272 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:36:14,273 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:36:14,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:36:14,276 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:36:14,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:36:14,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:36:14,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:36:14,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:36:14,280 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:36:14,281 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:36:14,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:36:14,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:36:14,284 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:36:14,310 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:36:14,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:36:14,312 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:36:14,312 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:36:14,312 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:36:14,313 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:36:14,313 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:36:14,314 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:36:14,314 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:36:14,314 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:36:14,314 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:36:14,314 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:36:14,314 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:36:14,315 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:36:14,315 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:36:14,315 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:36:14,315 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:36:14,315 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:36:14,315 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:36:14,316 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:36:14,316 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:36:14,316 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:36:14,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:36:14,317 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:36:14,317 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:36:14,317 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:36:14,317 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:36:14,318 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:36:14,318 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:36:14,318 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:36:14,318 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 -> 567b7fa1f847760293934d0162ff45c1e81b7a4f [2018-12-31 03:36:14,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:36:14,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:36:14,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:36:14,404 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:36:14,404 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:36:14,405 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-esbmc-regression/nan_true-unreach-call.i [2018-12-31 03:36:14,471 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5360db8c0/8fe75b6a91334ca6935517c8733c474c/FLAG5b1e4b649 [2018-12-31 03:36:15,075 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:36:15,075 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-esbmc-regression/nan_true-unreach-call.i [2018-12-31 03:36:15,089 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5360db8c0/8fe75b6a91334ca6935517c8733c474c/FLAG5b1e4b649 [2018-12-31 03:36:15,304 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5360db8c0/8fe75b6a91334ca6935517c8733c474c [2018-12-31 03:36:15,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:36:15,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:36:15,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:36:15,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:36:15,317 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:36:15,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:36:15" (1/1) ... [2018-12-31 03:36:15,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506ce86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:15, skipping insertion in model container [2018-12-31 03:36:15,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:36:15" (1/1) ... [2018-12-31 03:36:15,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:36:15,397 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:36:16,050 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:36:16,059 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:36:16,097 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:36:16,491 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:36:16,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16 WrapperNode [2018-12-31 03:36:16,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:36:16,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:36:16,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:36:16,494 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:36:16,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (1/1) ... [2018-12-31 03:36:16,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (1/1) ... [2018-12-31 03:36:16,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:36:16,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:36:16,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:36:16,651 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:36:16,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (1/1) ... [2018-12-31 03:36:16,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (1/1) ... [2018-12-31 03:36:16,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (1/1) ... [2018-12-31 03:36:16,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (1/1) ... [2018-12-31 03:36:16,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (1/1) ... [2018-12-31 03:36:16,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (1/1) ... [2018-12-31 03:36:16,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (1/1) ... [2018-12-31 03:36:16,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:36:16,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:36:16,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:36:16,688 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:36:16,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (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 [2018-12-31 03:36:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:36:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:36:17,011 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:36:17,011 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-31 03:36:17,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:36:17 BoogieIcfgContainer [2018-12-31 03:36:17,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:36:17,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:36:17,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:36:17,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:36:17,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:36:15" (1/3) ... [2018-12-31 03:36:17,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f10dc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:36:17, skipping insertion in model container [2018-12-31 03:36:17,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:36:16" (2/3) ... [2018-12-31 03:36:17,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f10dc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:36:17, skipping insertion in model container [2018-12-31 03:36:17,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:36:17" (3/3) ... [2018-12-31 03:36:17,034 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_true-unreach-call.i [2018-12-31 03:36:17,056 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:36:17,065 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-31 03:36:17,098 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-31 03:36:17,132 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:36:17,133 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:36:17,133 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:36:17,133 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:36:17,133 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:36:17,133 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:36:17,134 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:36:17,134 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:36:17,134 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:36:17,150 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-12-31 03:36:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-31 03:36:17,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:36:17,158 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-31 03:36:17,161 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:36:17,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:36:17,168 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2018-12-31 03:36:17,173 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:36:17,174 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 [2018-12-31 03:36:17,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:36:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:36:17,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:36:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:36:17,382 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:36:17,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:36:17,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:36:17,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 03:36:17,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 03:36:17,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 03:36:17,414 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2018-12-31 03:36:17,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:36:17,451 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-12-31 03:36:17,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 03:36:17,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-12-31 03:36:17,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:36:17,465 INFO L225 Difference]: With dead ends: 16 [2018-12-31 03:36:17,465 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:36:17,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 03:36:17,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:36:17,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:36:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:36:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:36:17,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2018-12-31 03:36:17,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:36:17,496 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:36:17,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 03:36:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:36:17,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:36:17,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:36:17,559 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2018-12-31 03:36:17,559 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:36:17,559 INFO L448 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2018-12-31 03:36:17,559 INFO L448 ceAbstractionStarter]: For program point L1000-1(line 1000) no Hoare annotation was computed. [2018-12-31 03:36:17,560 INFO L444 ceAbstractionStarter]: At program point L1000-3(line 1000) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2018-12-31 03:36:17,560 INFO L448 ceAbstractionStarter]: For program point L1000-4(line 1000) no Hoare annotation was computed. [2018-12-31 03:36:17,560 INFO L448 ceAbstractionStarter]: For program point L1000-5(line 1000) no Hoare annotation was computed. [2018-12-31 03:36:17,560 INFO L444 ceAbstractionStarter]: At program point L1000-7(lines 1 1011) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2018-12-31 03:36:17,560 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:36:17,561 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:36:17,561 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2018-12-31 03:36:17,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:36:17 BoogieIcfgContainer [2018-12-31 03:36:17,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:36:17,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:36:17,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:36:17,577 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:36:17,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:36:17" (3/4) ... [2018-12-31 03:36:17,582 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 03:36:17,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-31 03:36:17,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 03:36:17,639 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 03:36:17,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:36:17,640 INFO L168 Benchmark]: Toolchain (without parser) took 2331.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -129.6 MB). Peak memory consumption was 929.0 kB. Max. memory is 11.5 GB. [2018-12-31 03:36:17,643 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:36:17,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1181.16 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 829.0 MB in the end (delta: 118.3 MB). Peak memory consumption was 118.3 MB. Max. memory is 11.5 GB. [2018-12-31 03:36:17,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 829.0 MB in the beginning and 1.1 GB in the end (delta: -297.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-12-31 03:36:17,645 INFO L168 Benchmark]: Boogie Preprocessor took 36.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:36:17,645 INFO L168 Benchmark]: RCFGBuilder took 324.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:36:17,646 INFO L168 Benchmark]: TraceAbstraction took 561.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:36:17,647 INFO L168 Benchmark]: Witness Printer took 62.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:36:17,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1181.16 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 829.0 MB in the end (delta: 118.3 MB). Peak memory consumption was 118.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 156.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 829.0 MB in the beginning and 1.1 GB in the end (delta: -297.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 324.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 561.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Witness Printer took 62.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 1bv32 == cond - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 2 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...